In flatsawn pieces, (typically seen in rotary-sliced veneers), the wood can exhibit wild grain patterns. No, Douglas Fir is a softwood and as such moderately durable. How can I tell if the bed is all douglas fir…can douglas fir look whitish like pine? Color/Appearance: Can vary in color based upon age and location of tree. Grades of Douglas-fir Flooring Available: Douglas-fir is typically graded Clear Vertical Grain and #2 Common and Better. This species is strong, available in a number of specifications including kiln dried and grade stamped, and can be supplied in very long lengths to 60 feet. Many people are unaware that Douglas Fir is a Softwood and will mark / dent easily..it also has a tendency to split and crack. When it comes to general strength, oak is also the winner, but fir is more workable. As a result, this is a common material found in large buildings and bridge trestles. Working CVG Douglas-fir. Old growth or reclaimed boards can be much more expensive. The timber is excellent when nailed or screwed and takes glue, stains and varnishes satisfactorily. They are distinctive in having a long tridentine (three-pointed) bract that protrudes prominently above each scale (it resembles the back half of a mouse, with two feet and a tail). 7 result of the hardness measurement janka hardness scale resource center douglas fir the wood database hardwood feel and strength cafe janka hardness scale resource center timbers douglas fir c d lumber co. Such a gorgeous scandinavian style floor & our most popular floor… dubbed the world’s most beautiful floor…but the most problematic that we produce. We don’t think so. It is often present in large numbers, and can cause the foliage to turn yellowish from the damage it causes. Douglas-fir is a large tree, reaching 85 metres on BC’s coast and 42 metres in the Interior. I bought a heavy duty bunk bad which is supposed to be douglas fir. Both types of Douglas fir are prized in the construction industry, provide the majority of … It is hard and resistant to abrasion, making it suitable for uses where wear is a factor, such as wharves, trestles, bridge parts, log homes and commercial buildings. Thank you for clarifying. The wood is very stiff and strong for its weight, and is also among the hardest and heaviest softwoods commercially available in North America. I now have found a couple of woods that my dogs and I can not use on a regular basis. Paints adhere well to Douglas fir. [34], "Douglas-fir" redirects here. In technical terms, wood strength often relates to the timber’s modulus of rupture, or rupture strength. It measures the force required to embed an 11.28 millimetres (0.444 in) diameter steel ball halfway into a sample of wood. The hangers were painted inside before assembly. Consider how a round log is converted into rectangular lumber. Douglas Fir sapwood is whitish like pine. These pieces get resawn into thinner lumber. Accepts stains, glues, and finishes well. It could be pitch. As the trees grow taller in denser forest, they lose their lower branches, such that the foliage may start as high as 110 ft (34 m) off the ground. [17] Douglas-firs in environments with more light may have branches much closer to the ground. [20][21] In the Sierra Nevada, it ranges as far south as the Yosemite region. Fir sapwood predominates through tree age 20 after which the proportion of heartwood increases. of doug fir 2 inch tall that is hanging over a metal frame 9 inches,I am wanting to do this for floor framing for my rv trailer 16 inch on center, Than ks a very good information . FYI: I receive a commission on sales generated through links to Amazon, eBay, etc. I have found that… Read more ». glauca, the Rocky Mountain Douglas-fir or interior Douglas-fir. The Douglas fir (Pseudotsuga menziesii)[3] is an evergreen conifer species in the pine family, Pinaceae. It’s more immune to abrasive wear & tear than other softwoods, and it offers some resistance to decay. That’s where you come in. Common Uses: Veneer, plywood, and structural/construction lumber. Pine and spruce are so closely related in strength and uses with fir that they are often milled, distributed and marketed generically as spruce-pine-fir, or SP&F. Douglas Fir Timber can be used in both exterior and interior. Douglas fir has a Janka score of 660, meaning it takes 660 pounds of force to do this. Workability: Typically machines well, but has a moderate blunting effect on cutters. Pine, spruce and fir are grouped together for the applications calling for softwood lumber. Douglas-firs are medium-size to extremely large evergreen trees, 20–100 metres (70–330 ft) tall (although only coast Douglas-firs reach such great heights)[15] and up to 8 ft (2.4 m) in diameter. Allergies/Toxicity: Although severe reactions are quite uncommon, Douglas-Fir has been reported to cause skin irritation, nausea, giddiness, runny nose, along with an increased likelihood of splinters getting infected. [32], Many different Native American groups used the bark, resin, and pine needles to make herbal treatments for various diseases. The bark is blackish-brown with closely spaced ridges and cracks, it’s run through has deep horizontal fissures that peel like small chips. Poriol is a flavanone, a type of flavonoid, produced by P. menziesii in reaction to infection by Poria weirii. A common use of Janka hardness ratings is to determine whether a species is suitable for use as flooring. The Rocky Mountain Douglas-fir, Pseudotsuga menziesii subsp. 14″x5 1/2″ Snare drum I made from Douglas Fir. Douglas-Fir is technically not a true Fir (Abies genus), but is in its own genus: Pseudotsuga. Despite its strength and hardness Douglas Fir is still a softwood and as such machines, turns, planes and shapes well. Due to its strength, Douglas-fir is primarily used for building and construction. It has vertical grain and a very uniform pink color without knots and defects. The bark on young trees is thin, smooth, gray, and covered with resin blisters. Heartwood is stronger and harder by more than 25%. You will have four arc/cord pieces and and one square. diameter ball to one-half its diameter. I had to take my oldest, Cash, to the Vet and he had to go on medication. If your growth rings are 1/4 inch each, its soft. It’s true that there are plenty of woods that are harder, but we don’t agree that makes a big difference over the lifetime of a floor. There are three varieties: coast Douglas-fir (P. menziesii var. So it’s fairly comparable to the yellow pines in hardness, though a bit softer than the shortleaf varieties and significantly less hard than the Southern longleaf pine. [10], The specific epithet menziesii is after Archibald Menzies, a Scottish physician and rival naturalist to David Douglas. For this reason the name is often written as Douglas-fir (a name also used for the genus Pseudotsuga as a whole). The common name is misleading since it is not a true fir, i.e., not a member of the genus Abies. You should select the reddish heartwood fir studs when building a … Janka Hardness: 660. glauca exhibits even greater plasticity, occurring in stands of interior temperate rainforest in British Columbia, as well as at the edge of semi-arid sagebrush steppe throughout much of its range, where it generates even deeper taproots than coast Douglas-fir is capable. First off, Pseudotsuga menziesii, you are not a fir, and that is why I put the dash in your name. The tree itself grows to be very large, and yields a large amount of usable lumber and veneer for plywood. 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