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Harbor DF Cabin in Palo Pinto County, Texas (photoset #1841)

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Specification Sheet #2240 - Harbor Fir Lumber
SpeciesDouglas Fir
SourceHarbor Fir timbers and lumber can be produced from a variety of sources, including i) timbers/lumber reclaimed from various salvage projects; ii) timbers/lumber cut from beetle-killed, fire-killed or dead-standing trees; iii) timbers/lumber cut from material which has weathered out of spec; and iv) new timbers/lumber. Harbor Fir timbers and lumber are typically soaked in the Great Salt Lake or sprayed with water from the Great Salt Lake, often when in contact with metal to introduce dark streaking and other character.
MetalMetal is often used to add character to Harbor Fir timbers and lumber. This metal is generally removed from the timbers and lumber prior to sale.
HolesHarbor Fir timbers can have bolt holes where they have been bolted together into mats. Bolt hole diameters are typically 1 1/4" or less. There will often be staining and/or streaking around the holes. Harbor Fir lumber can have nail holes and/or bolt holes.
Checking/CracksTimbers generally have checks from the heart center to the faces of the timber. In addition, timbers can have surface checking and cracks, moderate butt checking and minor end splitting. Lumber can have surface checking and cracks and minor end splitting.
Moisture Content/StabilityThe moisture content of timbers and lumber cut from Douglas Fir logs can vary from Air-Dried to Green. The moisture content of Harbor Fir timbers / lumber can be high because these timbers / boards have been soaking in the Great Salt Lake or have been sprayed with water from the Great Salt Lake. Harbor Fir timbers and lumber should not be considered as stable as reclaimed timbers and lumber.
Standard Dimensionsa) Height: 1" (actual typically 5/8" to 1") and 2" (actual typically 1 1/2" to 2"); b) Width: to 12" (actual typically up to 3/4" nominal for widths 6" and up and up to 1/2" nominal for widths < 6"); c) Lengths: to 16' (some longer lengths are sometimes available upon request.) As timbers and lumber air dry, they tend to shrink somewhat, resulting in dimensions becoming somewhat more nominal.
WeightTypically, 3 to 3.5 pounds per board foot.
SurfacingRough-Sawn (Circle-Sawn and/or Band-Sawn.) Harbor Fir timbers and lumber can also be Planed, but such further processing can take off much of the coloring / aged appearance introduced by the Harbor Fir process.
Salt/MineralsHarbor Fir timbers and lumber contain some salt and other minerals because of their being soaked in the Great Salt Lake or sprayed with water from the Great Salt Lake. While these timbers and lumber do not have near the salt/mineral content of Trestlewood II (Salty Fir) timbers and lumber, one should be aware of potential special characteristics/considerations such as: Finishes/Glues (be careful with water-based products); Metal Corrosiveness (use high-grade stainless steel fasteners if the objective is to minimize corrosion); Moisture; Odor; and Salt Leaching. See Trestlewood II specification sheets and other product documentation for further information.
Color/AppearanceHarbor Fir timbers and lumber are generally soaked in or sprayed with water from the Great Salt Lake. The interaction between the wood fiber and the minerals in the water produce unique colors in the material. The interaction of the minerals in the water and the metal brought into contact with the timbers and lumber can also impact material coloration by creating staining and/or streaking around holes and/or other metal contact points. We believe that the net effect is a visually appealing, aged appearance. The coloring and aging are generally more pronounced on the surface of this material and do not extend deeply into the material (they may be "processed off", at least in part, if the material is band-sawn, planed or otherwise processed after soaking/spraying.) We believe that band-sawn or planed Harbor Fir timbers and lumber usually retain at least some benefit from the soaking/spraying process such as staining/streaking around bolt/nail holes and some wood discoloration.
Appearance VariationBoards can vary in appearance from piece to piece and even within a piece. The characteristics described on this specification sheet generally apply to each board's featured face. The opposite face and edges can differ from the featured face in texture, coloring, and other characteristics unless otherwise noted.
OtherHarbor Fir timbers and lumber can have some (a) punkiness around their edges and (b) wane.

Harbor Fir Siding


Harbor Fir Board-to-Board Siding
Specification Sheet #2240 - Harbor Fir Lumber

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