Color/Appearance: Can vary in color based upon age and location of tree. Does anyone know what is happening if my unfinished Fir wood gets speckles on it over time? I’m an artist and have used fir as a material for pyrography / woodburning images onto. In deep, well-drained soils, taproots may grow up to 50% of their final depth in 3 to 5 years. Usually a light brown color with a hint of red and/or yellow, with darker growth rings. Accepts stains, glues, and finishes well. Bark: Smooth; gray-brown; with resin blisters on young trees; rough and thick on older trees. You can reduce the damage by keeping tree vigor strong and Douglas-fir blowdown to less than four 10-inch diameter (or larger) Douglas-fir trees per acre. The Rocky Mountain population extends from Central British Columbia south along the Rocky Mountains into central Mexico. True cedars have short, stiff needles, while the New World plants display characteristics more like juniper and arborvitae. Thanks for the information. It’s possible that the sapwood of douglas fir would be lighter in color. Very valuable western timber tree. burning anything green or half green is bad for anyone and bad for the chimney (creosote). Sustainability: This wood species is not listed in the CITES Appendices, and is reported by the IUCN as being a species of least concern. Other Species Easily Confused With: Western and eastern hemlock, true firs So many of these issues are affected by the sapwood:heartwood ratio in the fir piece used. The tree itself grows to be very large, and yields a large amount of usable lumber and veneer for plywood. Zones 4-6. Identical or Nearly Identical Species: None I didn’t connect it soon enough to stop the effects of the difficulty to breathing and the couphing, until after a couple of days. Protruding from beneath the thin rounded scales is a conspicuous, three-pointed bract. Wood: Very important; sapwood white to yellow; heartwood yellow to red; growth rings very distinct; used for high-quality lumber and plywood. Workability: Typically machines well, but has a moderate blunting effect on cutters. Twigs/buds: Twigs slender; flexible; covered with fine hairs; glabrous when leaves are detached. I honestly in retrospect don’t trust the company I bought from have had a hard time even getting the order…:>). Douglas-fir beetles prefer weakened or recently downed trees. A tiny ridge runs the length of the upper side (compare with groove on noble fir). As the tree matures, the bark becomes thick and scaly with furrows or ridges running vertically. I bought a heavy duty bunk bad which is supposed to be douglas fir. Dwarf varieties of Douglas fir are also popular Christmas trees. Douglas fir is an evergreen conifer that can grow to 55m and live for more than 1,000 years. Fir sapwood predominates through tree age 20 after which the proportion of heartwood increases. We can buy it straight from the forest for £35.00 per ton, in the Scottish highlands, an Artic lorry load is 38 ton. Information about Douglas-fir leaves, twigs, buds, flowers, fruit, bark, wood, and landscape uses of Douglas-fir trees. Means of Distinguishing Similar Species: Douglas-fir has resin canals and a characteristic odor when wet whereas the hemlocks and true firs have neither. Scientific Name: Pseudotsuga menziesii The wood is very stiff and strong for its weight, and is also among the hardest and heaviest softwoods commercially available in North America. Douglas fir is a hard type of softwood tree that is used for flooring, construction, veneer, and for general timber. Rot Resistance: Douglas-Fir heartwood is rated to be moderately durable in regard to decay, but is susceptible to insect attack. Franco – Douglas-fir Subordinate Taxa. The piece didn’t have these speckles 4 years ago when I first made it. Fluorescence: A Secret Weapon in Wood Identification, Bow Woods (from a mathematical perspective), Brazilian Rosewood, East Indian, and Other Rosewoods, Genuine Lignum Vitae and Argentine Lignum Vitae, BOOK: WOOD! Many people are unaware that Douglas Fir is a Softwood and will mark / dent easily..it also has a tendency to split and crack. Here is some general information on the douglas-fir tree. On older trees the reddish brown bark is broken into oblong, longitudinal plates and may be 10 to 12 inches thick. Landscape Use: Does well in Utah but seldom seen away from native mountain sites. Odor: Has a distinct, resinous odor when being worked. Pictures of Douglas-fir are included. did you make sure it was very dry and well seasoned???? it is very use ful in engeneering and construction parts. When dried a piece 1″x2″x12″ placed vertically can support a weight of one ton! Best Characteristics for Identification: Characteristic “plywood” odor. ... tulip poplars aren’t poplar trees and Douglas fir are not true firs. See the articles Wood Allergies and Toxicity and Wood Dust Safety for more information. Old growth or reclaimed boards can be much more expensive. The mechanical properties listed represent the average values from four regions: coastal, interior west, interior north, and interior south. Buds cigar-shaped; sharp-pointed; about 1/2" long; brown. How can I tell if the bed is all douglas fir…can douglas fir look whitish like pine? Coastal population extends from central British Columbia south to central California. Pseudotsuga Carrière – Douglas-fir Species: Pseudotsuga menziesii (Mirb.) So while you may have been able to identify the genus of the tree (Abies), there are still many more ways to classify these trees. Not a true fir. Leaves: Needles borne singly; about 1" long; flat; blunt; yellow-green to blue-green; evergreen; remain on tree 5-8 years. Other Species Easily Confused With: Western and eastern hemlock, true firs Means of Distinguishing Similar Species: Douglas-fir has resin canals and a characteristic odor when wet whereas the hemlocks and true firs have neither. 14″x5 1/2″ Snare drum I made from Douglas Fir. General: Native to the Pacific coastal states and Rocky Mountain states, including Utah. Good Morning ,does anyone know how much weight can be put on a 1 and a half inch by 2 inch Pc. Copyright © 2008-2020 Eric Meier | All Rights Reserved, https://www.urbandexterous.com/characteristics-of-douglas-fir-wood/. I have found that… Read more ». I have read here https://www.urbandexterous.com/characteristics-of-douglas-fir-wood/ that it offers good struggle to splitting which makes it a good lateral holder of drilled objects. Plate-like root systems develop when it grows in shallow soils or with a high water table. Tree Size: 200-250 ft (60-75 m) tall, 5-6 ft (1.5-2 m) trunk diameter, Average Dried Weight: 32 lbs/ft3 (510 kg/m3), Specific Gravity (Basic, 12% MC): .45, .51, Modulus of Rupture: 12,500 lbf/in2 (86.2 MPa), Elastic Modulus: 1,765,000 lbf/in2 (12.17 GPa), Crushing Strength: 6,950 lbf/in2 (47.9 MPa), Shrinkage: Radial: 4.5%, Tangential: 7.3%, Volumetric: 11.6%, T/R Ratio: 1.6. In flatsawn pieces, (typically seen in rotary-sliced veneers), the wood can exhibit wild grain patterns. What’s the best way to treat this? I found that after burning this wood we, meaning my two Standard Poodles and me, couldn’t breath very well. The bark of young trees is grey-green with highly scented blisters, and becomes purple-brown, thick and corky with horizontal fissures over time. Heartwood is stronger and harder by more than 25%. Douglas-fir tree details. Common Douglas-fir is a deep-rooting species; however, as in many other tree species, its root morphology varies according to the nature of the soil. Douglas-Fir is technically not a true Fir (Abies genus), but is in its own genus: Pseudotsuga. But if 100% of all the slats are all the same color, and none have a hint of the reddish color, that might be an indicator that it is a different species. Common species of firs in North American include balsam, Pacific silver fir, California red fir, noble fir, grand fir, white fir, Fraser fir, and Douglas fir. Massed on the upper surface of the twig. (This is a monthly update, and your email will be kept private.). Does well in Utah's valleys with adequate moisture. FYI: I receive a commission on sales generated through links to Amazon, eBay, etc. Pricing/Availability: Should be widely available as construction lumber for a modest price. Fir Tree Identification (With Pictures) The bark on fir trees is generally smooth and gray when the tree is young. Medium to coarse texture, with moderate natural luster. General Natural Range: Two distinct populations. Douglas-fir is the English name applied in common to evergreen coniferous trees of the genus Pseudotsuga in the family Pinaceae. Such a gorgeous scandinavian style floor & our most popular floor… dubbed the world’s most beautiful floor…but the most problematic that we produce. I’m jealous of these westerners and their perfect softwood…. One of my friends that owns a piece of mine showed me a picture of it with all these little speckles and are wondering if it’s mold. You should select the reddish heartwood fir studs when building a weight-bearing wall. I noticed some of the larger pieces have the reddish look like those here, but some of the smaller(the slats) are more white in color, maybe like pine. It is an incredibly valuable commercial timber, widely used in construction and building purposes. I’ve really only seen it happen in pine, so I’m not sure if that’s what it is. In quartersawn pieces, the grain is typically straight and plain. Intermediate shade tolerance. Cottonwood almost killed me a few years earlier when I burned it on a reguler basis. It could be pitch. Comments: Named after Scottish botanist David Douglas, (though the scientific name is in honor of Archibald Menzies, who first described the tree in the 1790s). Other Forestry Related USU Extension Pubs. Other Common Names/Trade Names: None Flowers/fruit: Fruit a thin-scaled cone; about 3" long; hangs down; each scale has a 3-pointed woody bract attached to it. The Plants Database includes the following 2 subspecies of Pseudotsuga menziesii . I now have found a couple of woods that my dogs and I can not use on a regular basis. Are Rosewoods (and Bubinga) really banned by CITES? But if 100% of all the slats are all the same color, and none have a hint of the reddish color, that might be an indicator that it is a different species. Identification Of Common North American Woods. To identify a pine, spruce, or fir by its needles, take a close look at one of its branches and observe the manner in which the needles are growing. I suppose it could be some sort of mold or fungus growth, hard to say for sure without seeing it.
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