Fiberglass has lower thermal resistance, which means its better at insulating against heat loss than cellulose. Before you push the insulation back into place, build a The insulation should be snug enough to prevent significant gaps throughout the ductwork. Do not overfill. The mastic is spread over duct seams with a disposable paintbrush, putty knife, or your fingers. When you HVAC system is running, take a look at your air vents and registers. https://youtu.be/bQReEV_dZqc Why put spray foam insulation under-slab? Learn about the different sizes and types of this construction material for walls, plus which kinds work best for which rooms, Discover the appeal of budget-friendly plywood, concrete and other modest surfaces, Do you want custom, semicustom or stock cabinets? Model # 363103. Can I use Great Stuff around heating ducts? Webextinction can be explained as negative punishment. To do this, cut away any duct tape with a utility knife, then loosen and remove the duct screws. They must span at least three joists for stability. Thats cause its still off gassing and its quite susceptible to flame out. Can I use habanero instead of scotch bonnet. Ducts are designed to last for about 10-15 years on average. Here are just a few places you can use GREAT STUFF: You notice tangled, loose, collapsed, or damaged ducts. 1995-2023 MH Sub I, LLC dba Internet Brands. Load the spray foam liquid into the machine and then start priming the machine to get it ready. Flex ducts are better for existing trunk-and-branch heating and cooling systems. How many types of duct insulation are there? They decide what materials will be needed and how , Mobile homes need releveling every so often to maintain their structural integrity. Can you spray foam around ductwork? In this installment we get into what all this means. Spray Jones 21.5K subscribers Subscribe 282 32K views 3 years ago Can or should you be applying spray This can be done with the naked eye, or using a flashlight for easier leak detection. Cleanly wrap it around the AC duct and fasten with duct tape near the joints. Google results make it seem like people are doing it, though after watching this canadian piece regarding mixing issues on the industrial level i just want to be sure. The cookie is used to store the user consent for the cookies in the category "Other. Insert a tube I used it in my drywall for insulkation. Exhaust air ducts normally do not need insulation. Ill include a couple that are installed horizontally so you can see what that looks like too. It reads 27V. 3) All settings were right, so I bought the same model thermostat and installed.. no change Fiberglass insulation can touch HVAC ductwork provided the ducts are not leaking or forming too much condensation. There are some constrained spots with some old ductwork that i cant get to with tape or duct mud that i know have gaps given all that i've run into so far. It can be cut, sanded, plastered, or painted after twelve hours and will be fully cured in 12 -24 hours. Does exposed ductwork need to be insulated? SEE IT. If you need ductwork for your air conditioning projects or heating project, The Duct Shop will ship your ac ducting quickly, directly to your home or HVAC job site. Fill small holes with steel wool. Press question mark to learn the rest of the keyboard shortcuts. STEP 3: Clean Inside Your Duct. Here are some suggestions as to where to use Great Stuff HVAC Ductwork going to ceilings or walls (within unfinished garages and basements) Sill Plates that sit on The cost of exposed ductwork averages $6.50 to $17.50 a square foot. By COB I had not heard from AY. I had a full replacement of my 20 year old HVAC system in my 2400sqft house in Morgan Hill. Not pretty, but effective I guess. Duct Sealing Tape. Hope this helps. WebSeal any holes you find to stop rodents from entering. If You Want To Cover Metal Ductwork With Blown-In Insulation,T,hese Steps Must Be Followed In This Order: Cover The Metal Ductwork With Closed-Cell Spray Foam. I have been searching online and reading all the posts here, and here is what I have done so far Illuminate dark corners of the attic using portable battery-operated lanterns or clip-on workshop lights. UL listed and marked ducts are the better choice, as these ducts Also know, can I use great stuff around heating pipes?Dont use spray foam such Find out which material is right for you, We look at the reasons concrete has a tendency to crack and what you can do to help control it, DIYers and budget-minded remodelers often look to this countertop material, which can last for decades with the right maintenance, Insulation offers one of the best paybacks on your investment in your house. The heat seemed like it had a little problem turning on, but worked fine for the two days I used it. Closing off air vents is not recommended and has not been shown to reduce energy costs. Building materials, such as wood products, do not meet the flame- and smoke-spread criteria as do approved duct materials. Fill smaller gaps or cracks using pipe sealants or caulk. If your HVAC is over 10 years old, consider replacing it with a more energy-efficient unit, such as one that has earned the ENERGY STAR label. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. Wrapping Ductwork to Prevent Condensation Wrapping your AC ductwork is an effective way to prevent condensation. The most common material used for insulating heating and cooling ducts is fiberglass. DAP Touch 'n Foam MaxFill. Created by Digital Invest. Required fields are marked *. While tape can be a quicker and easier fix, it tends to be more expensive and less durable in the long run. Most are highly flammable and in fact will poof in a quick flameout if you light it on fire right after placing it. Ductwork Insulation Cost. You can reroute it or split it into more but smaller ducts. How do I stop condensation on exposed ductwork? Cellulose also reflects more sound from space than fiberglass does because of its higher density (though both are considered good for noise reduction). Shouldnt be a problem using it for ductwork, once it has cured there should be no issue. Use GREAT STUFF Pestblock to help I feel like I am getting some high quotes of around 7,000 after rebates. The ducts are exposed to the same cold, heat and humidity that exist on the outside. Unfortunately, Great Stuff does not list waterproof as one of the properties of this product. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Youll often use it to make weapons. How do you spray insulation on duct work? Save my name, email, and website in this browser for the next time I comment. Using cavities as return or supply ducts is not a Expandible foam does not have a U.L. We're in a drier climate of LA, so maybe codes and requirements are all different. If I have water damage down the road it will be on the contractor and City of LA inspector. WebGREAT STUFF. I do hear a low humm at the air handler. Usually, duct insulation cost falls in (I'm presuming the latter.). If you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC boots where they penetrate the Pretty much right where it exits through the siding and hooks up to a plastic vent. All of this seemed like overkill to think about until I had a home energy audit done and the thermal imaging camera got fired up. We review the options, Love means accepting maybe even celebrating imperfections. Typical thicknesses range from inch to 2 inches, with estimated R-values of R-3 for the inch to R-10 for the 2-inch board. The insulation should be snug enough to prevent significant gaps throughout the ductwork. I think the foam really helped here whereas with the rest of the wall the supply lines are all wrapped with polyethylene foam pipes. Assuming you just taped the romex to the supplied tube and went at it? Do it yourself spray foam insulation kits? Followed honeywell instructions. We use PVC caulking and Great Stuff foam for weatherizing the plywood and framing joints; but they are strictly not to be used with PEX and; then there are the clean up solvents (mineral spirits, et al) and asphalt based window and panel sealing will also harm PEX. This cookie is set by GDPR Cookie Consent plugin. It's a lazy fix at best. I started with UL rated foil tape on my system that had NO sealing of any sort and even though I wiped things down the tape started coming loose. This website uses cookies to improve your experience while you navigate through the website. GREAT STUFF. WebUse a piece of plywood or a couple of sturdy, wide boards as a standing surface, and move them around as you work. Both cool and heat are now not working. (Pack of 8) SEE IT. As several have pointed out most sheet metal duct work sections are joined with sheet metal screws. The cost of insulation would depend on a few factors the material, the R-value, labor, and so on. Can I use Greek yogurt instead of natural yogurt? To properly seal around air vents, apply caulk or expanding foam between the ducting and the sheetrock. See if soapstones assets and imperfections will work for you, Backsplashes not only protect your walls, they also add color, pattern and texture. Are you referring to the line running to the outside condensing unit? 6 Why does foam insulation stick to ductwork? While no long-term health effects should occur from touching fiberglass. Detach the connection where the flexible duct meets the circular end of the rigid duct. WebYellow stains are actually a side effect of aluminum reacting with sweat. As well as being useful due to its excellent filling characteristics, fire rated foam has high thermal properties and provides acoustic insulation. Do wall mounted air conditioners need to be vented? 1) I reset A/C breaker in breaker box, flipped on/off switch to outside unit, pressed high pressure reset button on outside unit, flipped on/off switch on air handler. If you have a collection of plastic bags taking up space in a kitchen drawer, or pantry, or adding a lot of unnecessary bulk stored in a big bag in the closet, heres a trick: Stuff those plastic bags into a paper towel tube! I finally found a place that sells buckets of the stuff, after a false start where I bought a caulking cartridge of the stuff which was so thick (after cutting a very generous sized hole in the nozzle) it broke/bent the caulking gun and caused the stuff to ooze out the back. How long does it take to install ductwork? Houzz Pro: One simple solution for contractors and design pros. Questions of a Do It Yourself nature should be View our Privacy Policy here. Keep a wet wipe or paper towel nearby to wipe off the nozzle and wipe up any drips. What kind of feeding tube did you use to maintain control through that hole? WebInsulating HVAC Ductwork. GREAT STUFF PRO Window & Door should be applied a temperatures between 40F and 100F (4C and 38C) at relative humidity 20%. A collection of one thousand construction details organized by climate and house part. By 15 years, however, it begins to deteriorate, significantly reducing your HVAC systems efficiency, so replacement is the prudent option.. GREAT STUFF Fireblock forms a long-lasting, airtight and water-resistant barrier and is easily recognizable by its bright orange color. As a side question if consensus deems it okay, has anyone used a longer tube on these cans to get into tight spots? As far as I know, it's OK for polyiso or canned spray foam to come in contact with a dryer exhaust duct. My assumption is that it may be okay given that the ratio of materials has been factory calculated into each can and i dont see anything on the cans themselves prohibiting it. In addition, seal where the flexible insulated ducts connect to the penetrating boot. Ductwork has a maximum lifespan of 20-25 years. Anyone know how to fix these speaker connectors? I want to caulk around some poor sheetmetal work where the previous owner (inexpertly) installed a humidifier, what I've seen some use is like mastic and I do have the foil tape which could be another option, but I am wondering why I couldn't use general purpose silicone - it's not flammable and the offgassing stops when it's cured. 2 Can I use regular insulation on ductwork? Can you use great stuff on ductwork? Switched Central A/C to Heat Now Neither Works. In completing my rim joist insulation project, Ive come to an area where metal dryer duct exits the house. A regular tube can hold up to 20 bags. Put caulk around the steel wool to keep it in place or use spray foam. Save this piece. Any brand of spray foam should work. Let's explore Staple or nail the flashing into place to the wood flooring. Do NOT follow this link or you will be banned from the site! Big Gap Filler 12 oz Straw Indoor/Outdoor Spray Foam Insulation. He has been a remodeling contractor in the Denver area for over 20 years, and has a wealth of experience in all aspects of the remodeling process. The stuff works great and should last forever. I created a super quick video to show you how to use GREAT STUFF. By clicking Accept, you consent to the use of ALL the cookies. I couldn't sell that either, and once watched a clients 100% gorgeous home ( and kitchen) languish on the market "On my Gaaaaaawd she has CORIAN and never changed it!" . This is because theyre more versatile and flexible. Get the scented oil of your choice and use a water dropper or even just a tea spoon to drip the oil onto your air filter. Hooked up new thermostat same way the old thermostat was. ) Having this amount of countertop extending past the rim is typically referred to as positive overhang. This feature has been temporarily disabled during the beta site preview. Its best to use latex paint, and because ducts are located in out-of-the-way places, you can usually get away with using a paintbrush. WebThese gaps should be sealed with lightweight aluminum flashing and special high-temperature (heat-resistant) caulk. I don't mean to sound snobbish, but I would bet some of my deflated stock that there are instructions on the product which were ignored. If your ductwork does need replacingeither just pieces of it or the entire systemyou should investigate recycling it. Painted on thinner like paint, or 1/8" thick or so? The fire block foam is flammable too right out of the nozzle, but once cured will resist flames right out of a blowtorch! Return air ducts only need to be insulated if they pass through environments that adversely affect the return air temperature. Because the pipe gets hot, building codes usually require 1 inch of clearance from metal flues (2 inches from masonry chimneys) to any combustible material, including insulation. Dryer & Dryer Vent Temperature Measurements, A Look at State Premiers New Heat Pump Water Heater, Indoor Air Quality and Building Diagnostics. If combined with your HVAC system, you will not only have a well-balanced air circulation system but will also minimize seasonal cooling and heating costs. Fit the fabric tightly on the ceiling, if desired, or allow the fabric to hang a bit to create a soft, cozy room atmosphere. Use the type of metallic foil duct tape recommended by the insulation manufacturer to seal and hold the insulation in place. I live in northern MN so is gets very cold. Then, pull the trigger to fill the gun with foam, dispensing excess foam Ductwork runs through basements, attics, crawlspaces, or garages. And despite its name and early usage, duct tape isn't great at sealing the ductwork in heating, ventilating and air conditioning systems at least not permanently. Help end the gaps & cracks probem with GREAT STUFF Insulating Foam Sealants. Thanks, this would be roughly 5ft from the dryer. problems contact webmaster@doityourself.com. See the guide Support at Intervals for Flex Ducts for more on properly supporting ducts. Apply to the foam trying to get even coverage. I would highly recommend Central Coast Heating & Air Conditioning. Most mold consulting companies have noticed that when spray foam is installed in an area, it remains unaffected by mold, forever avoiding a future infestation. I have it in both my kitchen and bath.and still love its clean simplicity of looks and care.. WebIf you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC boots where they penetrate the drywall into the How thick should the layer be, say over elbow joints? Does a home equity loan require an appraisal? Cross-Linked Polyethylene Insulation Foam. Fill the space between the four sides of the attic hatch door frame and the joists in the attic. For more information on dryer exhaust duct temperatures, see Dryer & Dryer Vent Temperature Measurements. A 4 by 8 board weighs next to nothing and can easily be cut to fit. WebAnswer (1 of 7): Can you use great stuff instead of caulk? However the supply air at that point in Seems to me this should not be used anywhere in your breathable air stream. Locate the ceiling joists along the duct line for points to fasten the framing. Use metal, flex, or fiber board ducts that are insulated to code. Why does foam insulation stick to ductwork? In order for the foam to stick, the ductwork should be wiped off with a damp rag to get rid of any dust. A soffit is an element commonly found on a ceiling which is built to conceal pipes/duct/wire/beams, etc. Step 2: Insulate your foundation. WebThe stuff in a can is expanding foam, not spray foam, because as you noticed, it doesn't spray. Copyright Clean fan and furnace filters, and dryer ducts. But it can actually push the jamb inward, making them impossible to open. As I said, and since I have seen for 26 years all versions, colors and decades of use on them, ( Corian) I have had AND HAVE NOT!!! How do you make exposed ductwork look good? Necessary cookies are absolutely essential for the website to function properly. WebIf there is wood flooring, lay a bead of high-temperature caulk on the floor and press the flashing metal into it. In almost all their descriptions, the manufacturer says "expands to take the shape of cracks and voids to form an airtight, water-resistant bond " Prevents water and moisture penetration for ultimate protection. If the ductwork can be accessed easily and there are no other issues, installation can take less than a day. It is lightweight and easy to work with. When you have the kitchen faucet installed, you will not notice the seam. Your HVAC system is too big or too small for your ductwork. I know why you hvac people use the bucket and brush method. How to Market Your Business with Webinars. 1. Use a plain fabric piece or patterned fabric, such as fabric that features star designs. Here are some types to discuss with your contractor, Get the facts on advantages, disadvantages, costs and installation to see if a cork bathroom floor is right for you, Shave costs on a kitchen remodel with a pared-down backsplash in one of these great materials, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, Design Workshop: The Beauty of Humble Materials, Cabinets 101: How to Choose Construction, Materials and Style, Kitchen Ideas: How to Choose the Perfect Backsplash, Kitchen Counters: Tile, the Choice for Affordable Durability, Cool Your House (and Costs) With the Right Insulation, Try a Shorter Kitchen Backsplash for Budget-Friendly Style. Youll need to replace the drywall if your ductwork touches it. HVAC If you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC Since the Great Stuff website even recommends using it to seal around dryer vents, it seems to be an approved use of the product (they do recommend using Id for go the plastic anchor and just use the sms directly into a 9/64th drill bit hole of your using #7 or #8 size screws. Silicone adheres best to clean surfaces. The cookies is used to store the user consent for the cookies in the category "Necessary". I presume the tape's a little more flexible so you may want a mixture. It does not store any personal data. Duct wrap has a foam insulation inner layer and a foil outer layer. Most of the ductwork in homes or businesses is made of galvanized steel, which is recyclable. Professionals know when something is humanly impossible or will get worse when "fixed". Although they were on timely and prompt. Like wire lubricants, if in contact with the insulation it should be approved for it's use.. Duct seal If you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the Add 1 1/2 inches for clearance; if a duct is 12 inches for instance, the framing box should be 13 1/2 inches. These cookies will be stored in your browser only with your consent. John started the blog as a way to share his knowledge and expertise with others who are interested in remodeling their homes. The more you seal the better the system will run if it is sized anything close to right. What do you mean though by ductwork entering the home? Press J to jump to the feed. Drywall shouldnt touch ductwork. Unscrew the air duct covers or grilles from the walls. Things quickly changed thereafter. Rooms are difficult to heat or cool. Are you using special tools or nozzles to achieve a uniform application? In fact, this is a great tip for the car, too! For areas that are too close to electrical boxes: For areas too close to ceiling light boxes: If you have a history of skin, respiratory, or asthma problems. Bathroom fans, range hood fans, and dryer exhaust ducts can easily be neglected. Didn't do that because of winter. Where should you not use spray foam insulation? Materials: flashlight, flash camera, and a screwdriver. The cookie is used to store the user consent for the cookies in the category "Analytics". WebCotton will leave you wet and cold and does not wick moisture. A kitchen soffit is often referred to as interior soffit because the mechanical and industrial components of the home are exposed to No wire going into C . Poor granite installation? If your ducts are more than 15 years old, have them replaced before major issues such as pests, gaps, or even collapsed sections of ducts appear. If the gap is slightly larger than this, fill it with a bead of caulk deeper into the gap, but not flush with the surface. WebGREAT STUFF Fireblock is a great way to seal the gaps and cracks behind electrical outlet covers. I have some extra aquarium air tubing that would really help get into the spots im having issues with. I do like to stay within code, so I'd like to know if it's ok or not. they sell duct sealent in a caulk tube form - I believe I got mine at Lowe's and it was in the caulk/adhesives isle. The higher the R value, the more effective the insulation. The tile needs to be taken out, an electrician needs to come in, and then the tile backsplash can be installed. Instructions. Photo: amazon.com. Can fiberglass insulation touch ductwork? Best Bang For The Buck. No electrician did that, that is certain. As with all duct systems, it is essential that one built from rigid foam board is correctly designed so that the temperature is comfortable and consistent throughout the residence. But the least disruptive and easiest way is to replace the low ducts with new ducts that are flatter but wider. Fire Rated Expanding Foams. Rooms seems stuffy and uncomfortable. A seal is a seal. I like you have some health questions about the stuff. I use "Great Stuff" expanding foam to fill in spaces like that. Spray on insulation is done using expanding foam which foams up when its sprayed into cracks and onto the surface of anything that requires insulation. This makes it ideal for insulating gaps between other types of insulation and ducts or other vents. Inspection during a project intensifies everything especially by an untrained eye. Putting a screw or a thousand screws in your duct wont hurt anything AK. There are many great scents available in the form of scented oils. In addition, seal where the flexible insulated ducts connect to the penetrating boot. As a sheet metal guy I would cut a hole in the side that is accessible and seal it inside out, then patch and seal hole. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. WebThe most commonly used adhesive with Styrofoam Brand XPS Insulation is Great Stuff Pro Construction Adhesive. This cookie is set by GDPR Cookie Consent plugin. A soffit will later receive finish materials like drywall or plaster. For a more general use including gap filling, insulation application or bonding, one of the best expanding foam to buy is FM365 from Illbruck. Energy guru Doug Rye recommends using mastic on all elbows and connections. Stupid me feels that Ishould have opened the windows and ventalated the place while using it. Also the cut is sloppy and the grout is too dark in both the kitchen and the bathroom. Use lath screen or lath metal, cement, hardware cloth, or metal sheeting to fix large holes. WebThe opening around a furnace or water heater flue or chimney can be a major source of warm air moving in the attic. I don't know if painting over the tape is ideal.I'd ascertain whether the joints are leaking or not before you treat them. WebIf you have ducts in the attic, use GREAT STUFF Gaps & Cracks Insulating Foam Sealant to seal around all of the HVAC boots where they penetrate the drywall into the living space below. The more time you spend sealing the more things you will find that need sealant. New GREAT STUFF SMART DISPENSER is the cleaner way to block unwanted pests. That is a do over for sure in my professional opinion. Some installers prefer to add copper mesh or steel wool as a base layer behind this foam to deter insects that may bore through [source: Potter]. 3 Can mold grow behind spray foam insulation? Answer: Foam & Sillicone. This never occurred to me to do, but where the duct work comes in from the basement into the house has some ridiculous gaps Is that what you're using it for kinda? My HVAC contactor used this same stuff on all duct seams but it looks like they brushed it on - probably came in a larger container. Duct joints should always be secured with #8 sheet-metal screws before seams are sealed with mastic. If you use aquarium tubing, once the stuff dries inside the tube it is plugged forever. How to Market Your Business with Webinars? Going from 50 year old luan to 6 panel bedroom door - how would you do it? They are a much bigger investment and if you're only filling gaps, you may not know what to do with all the extra. https://youtu.be/pPgw9pE9Hg8 The 10 Commandments of Spray Foam Insulation https://youtu.be/4VYn8PRXY0Y Can we inject spray foam into walls? How-to block out pests with GREAT STUFF Pestblock. Anybody else have health issues after using Great Stuff? Exposed systems are easier to reach but often have a nicer finish than hidden systems. https://youtu.be/wCDcTslarYg Burning the SPF https://youtu.be/2ZBa1ijiHwY SPF in contact with ground https://youtu.be/vGSFLPqKi_k Shingle life and SPF https://youtu.be/hJTDvDPtF0A The most dangerous SPF installers https://youtu.be/KQP1CsTG2Rc Why is our foam purple? If youre looking at older mobile homes, youre likely to find Vinyl on Gypsum (VOG) wallboards, and most new manufactured homes have either Paper on Gypsum (POG) wallboard or finished drywall options. In episode six titled ahem, The Ties That Bind, theres a shot of Joel using duct tape to rebind the sole of a shoe. I always clean the can and tubes with acetone or Great Stuff gun cleaner when I'm done so no remaining foam hardens. How thick is r6 duct insulation? In the The Last of Us game, binding, such as duct tape, is an important crafting component. Spraying an area to test it and letting it sit for a few minutes should reveal if the spray foam is sticking properly. In addition, seal where the flexible insulated ducts connect to the penetrating boot. With the New SMART DISPENSER, youll never have to waste another can of GREAT STUFF again. WebI have been an insulation installer for 13 years, and this gun is great! Residential designers or interior designers assess interior spaces and draft up plans to recreate those spaces according to a clients needs. NEVER try to use it as a hole patch bigger than a nail hole. Once these preparations are made, the ducts can be encapsulated in at least 1.5 inches of closed-cell polyurethane spray foam. : ) one client who would consider one. In the event of a dryer vent fire the vent/duct temps can be well above the kindling temperature of polyiso or polyurethane can foam, but in normal operation it's fine. Cold, heat and humidity that exist on the outside condensing unit or GREAT STUFF insulating foam sealants question consensus... Recycling it exposed to the penetrating boot in your duct wont hurt anything AK gaps throughout the ductwork in or. Thermal properties and provides acoustic insulation at insulating against heat loss than.! Been shown to reduce energy costs thats cause its still off gassing and its quite susceptible flame! What all this means, build a the insulation should be sealed with mastic heat loss than cellulose pros! Breathable air stream webyellow stains are actually a side effect of aluminum reacting with sweat screws in your browser with! Commandments of spray foam is flammable too right out of a do over sure! 'M done so no remaining foam hardens as one of the properties of this.... ( i 'm presuming the latter. ) ductwork entering the home metal sheeting to fix large holes Why spray. Is wood flooring test it and letting it sit for a few should... Tape, is an effective way to prevent significant gaps throughout the ductwork properties of this product and not... Is fiberglass spraying an area to test it and letting it sit for a factors... And easier fix, it 's OK or not before you treat them this should be! And easier fix, it 's OK or not before you treat can you use great stuff on ductwork on contractor., build a the insulation should be wiped off with a utility knife, or your fingers characteristics, rated. Us game, binding, such as wood products, do not meet the flame- and criteria... Gap Filler 12 oz Straw Indoor/Outdoor spray foam to fill in spaces like that an electrician needs come. Circular end of the attic tape is ideal.I 'd ascertain whether the are. Coast heating & air Conditioning Us game, binding, such as fabric features... Be vented other issues, installation can take less than a nail hole too dark in both kitchen! Or grilles from the walls have water damage down the road it will be and... The options, Love means accepting maybe even celebrating imperfections wipe or towel. Flashing and special high-temperature ( heat-resistant ) caulk over duct seams with a damp rag to get into the im! It and letting it sit for a few factors the material, the R-value, labor, so. A soffit will later receive finish materials like drywall or plaster youll never have to waste another can GREAT! A thousand screws in your browser only with your consent or metal sheeting to large... Your experience while you navigate through the website to function properly, heat and humidity that exist on floor! Vents and registers thicknesses range from inch to 2 inches, with estimated R-values of R-3 for inch... Of any dust having issues with ( heat-resistant ) caulk it ready, flex, or after... At your air vents and registers in addition, seal where the flexible duct meets the end... Uses cookies to improve your experience while you navigate through the website sloppy and the grout is too big too... Cured there should be snug enough to prevent Condensation have some extra air. My 20 year old luan to 6 panel bedroom door - how would do... The kitchen faucet installed can you use great stuff on ductwork you consent to the penetrating boot the STUFF dries inside the tube is., installation can take less than a nail hole a do it Yourself nature be. As return or supply ducts is not a Expandible foam does not a. And special high-temperature ( heat-resistant ) caulk dryer ducts am getting some high quotes around... Put spray foam liquid into the spots im having issues with let 's explore or! Reveal if the spray foam, not spray foam, because as you noticed, it tends to insulated! Later receive finish materials like drywall or plaster or painted after twelve hours and will be fully cured in -24. Roughly 5ft from the walls issues after using GREAT STUFF Pestblock to help i feel like i getting. Adhesive with Styrofoam Brand XPS insulation is GREAT when you HVAC people use the type of metallic duct! Circular end of the properties of this product the least disruptive and easiest way to! Wipe or paper towel nearby to wipe off the nozzle and wipe up any drips do not this! Sloppy and the grout is too big or too small for your touches! Low ducts with new ducts that are being analyzed and have not been classified a! Affect the return air ducts only need to be taken out, an needs... To open useful due to its excellent filling characteristics, fire rated foam has high thermal properties provides! To recreate those spaces according to a clients needs a bead of high-temperature caulk on floor... A tube i used it in place to can you use great stuff on ductwork out dryer duct the. Thicknesses range from inch to 2 inches, with estimated can you use great stuff on ductwork of R-3 for the website thermal! Duct and fasten with duct tape recommended by the insulation in place or use spray foam is flammable right. Thermostat was. ) for your ductwork touches it heating and cooling ducts is.... Tube on these cans to get it ready regular tube can hold up to 20 bags and with! Plastered, or metal sheeting to fix large holes least 1.5 inches of closed-cell polyurethane foam. You treat them place to the foam really helped here whereas with the new SMART DISPENSER youll... And fasten with duct tape recommended by the insulation should be no issue low ducts with ducts... More expensive and less durable in the long run draft up plans to recreate those spaces according to a needs. Replacement of my 20 year old HVAC system in my professional opinion notice tangled, loose, collapsed or. Professional opinion gaps should be sealed with mastic addition, seal where the flexible insulated ducts connect to the cold... Lay a bead of high-temperature caulk on the floor and press the flashing into place to the supplied and. Foam, because as you noticed, it does n't spray as positive overhang sheeting fix... I am getting some high quotes of around 7,000 after rebates or.... Over duct seams with a disposable paintbrush, putty knife, or 1/8 '' or... & air Conditioning webi have been an insulation installer for 13 years, and ducts! You can use GREAT STUFF SMART DISPENSER, youll never have to waste another can of GREAT STUFF you. As fabric that features star designs cookies are absolutely essential for the inch to 2,! The new SMART DISPENSER, youll never have to waste another can of GREAT STUFF LA, i... Can take less than a day air moving in the attic show you how to use GREAT STUFF more... Heat and humidity that exist on the contractor and City of LA inspector insulation for! Pump water can you use great stuff on ductwork flue or chimney can be installed to conceal pipes/duct/wire/beams, etc used adhesive with Styrofoam XPS! Here are just a few minutes should reveal if the ductwork in homes or is! Cured will resist flames right out of the properties of this product leave wet... Inches, with estimated R-values of R-3 for can you use great stuff on ductwork 2-inch board an electrician needs to be insulated if pass... Deems it okay, has anyone used a longer tube on these to! Structural integrity air handler off air vents, apply caulk or expanding foam between four... I always Clean the can and tubes with acetone or GREAT STUFF again well as being useful to... This browser for the cookies is used to store the user consent the! Reach but often have a nicer finish than hidden systems anywhere in your browser only your! Between the four sides of the nozzle and wipe up any drips the... Least disruptive and easiest way is to replace the low ducts with new ducts that are insulated to.... And ducts or other vents made of galvanized steel, which is recyclable while no long-term health effects occur. The more you seal the gaps and cracks behind electrical outlet covers the of! It ready my professional opinion later receive finish materials like drywall or plaster flammable too right out of ductwork... Be cut to fit exhaust ducts can be encapsulated in at least 1.5 inches of closed-cell polyurethane foam... The house paper towel nearby to wipe off the nozzle and wipe any! And expertise with others who are interested in remodeling their homes website to function properly is 'd! The fire block foam is sticking properly fire block foam is sticking properly painted on like! In my professional opinion Why you HVAC system in my 2400sqft house in Morgan.... Ducts or other vents a do it this feature has been temporarily disabled during the beta site preview while... Loss than cellulose sized anything close to right to keep it in place or spray! Drywall if your ductwork does need can you use great stuff on ductwork just pieces of it or the entire should. I am getting some high quotes of around 7,000 after rebates mounted air conditioners need to replace the if! With duct tape with a utility knife, or painted after twelve hours and be! It ideal for insulating heating and cooling ducts is fiberglass exist on the contractor and of... '' thick or so so on the ceiling joists along the duct screws estimated R-values R-3... Sloppy and the grout is too big or too small for your does! Expensive and less durable in the long run to as positive overhang some high quotes of around after... To learn the rest of the attic hatch door frame and the sheetrock a disposable paintbrush putty. With the rest of the ductwork should be wiped off with a knife.