Trestlewood II Salty Fir Smooth T&G Flooring  

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Trestlewood II Salty Fir Smooth T&G Flooring - Product Info

Sawn from Douglas Fir piling of the Great Salt Lake's Lucin Cutoff railroad trestle, our Trestlewood II Smooth Flooring provides a more refined look than its more rustic TWII counterparts. The salt and other minerals of the Great Salt Lake have helped create our signature Trestlewood II product line, known for its wide range of colors and other unique characteristics.

Be sure to check out the Features, Issues & Material Tests documents related to this truly one-of-a-kind product line.
Specification Sheet #1001 - Trestlewood II T&G Flooring
SpeciesDouglas Fir
SourcePiling of Lucin Cutoff Railroad Trestle--Great Salt Lake
Flooring TypeSolid Wood, Unfinished
ProfileTongue and Groove (T&G)
KnotsUnlimited; some knots are broken, loose or fallen out
Checking/CracksUnlimited as long as board is sound; end cracks to extend no more than 6" into board
Percentage SapwoodUnlimited
Grain PatternMixed
Standard Dimensionsa) Thickness: 3/4"; b) Width: 3", 5" and 7"; and c) Length: 2 to 10' with no more than 5% of total footage shorter than 6'
Textures AvailableCircle-Sawn Skip-Planed, Smooth, Wire-Brush and Circle-Sawn. Circle-Sawn Skip-Planed texture is achieved by running circle-sawn boards through the molder and planing the face slightly so as not to remove all of the evidence of circle-saw marks. Wire-Brush and Circle-Sawn textures are textures which are added to the face after it is run.
WeightTypically, approximately 4 pounds per board foot
Salt/MineralsTrestlewood contains significant amounts of salt and other minerals (often 20%+ by weight), creating special characteristics and/or considerations like those described in the following items.
Color/AppearanceColors found in Trestlewood II include yellows, oranges, reds, browns, greens, grays/blacks and purples. The coloring of individual boards varies widely. Textures and finishes also impact final floor coloring. The result is that each Trestlewood II floor has its own distinctive, unique coloring.
Finishes/GluesCertain finishes and glues do not work well with Trestlewood II. Most importantly, DO NOT USE WATER-BASED FINISHES.
Fire RetardanceSchuller International performed an ASTM E-84 Flame Spread test on a Trestlewood II piling sample in January, 1995. The resulting index value was 16, well below the maximum index value of 25 for a Class I fire retardant. Normal Douglas Fir has a flame spread index of 70 to 100. Only a few wood species have flame spread index values less than 75. Fire retardant treatments are generally necessary to meet Class I (and often to meet Class II.)
Metal CorrosivenessTrestlewood II can have a corrosive effect on metal fasteners, machinery and saw blades. High grade stainless steel fasteners should be used in lieu of regular steel fasteners, especially in applications involving the likely mixing of Trestlewood II, moisture and oxygen.
MoistureMoisture is a big issue with all wood flooring. It is an especially big issue with Trestlewood II flooring. Trestlewood II absorbs moisture more readily than typical Douglas Fir. It should be handled, stored and transported carefully to minimize any unnecessary reabsorption of moisture. Trestlewood II flooring should not be installed in humid environments. It is strongly recommended that Trestlewood II flooring not be installed in environments which cannot be kept at or below 22 degrees Celsius (71.6 degrees Fahrenheit) and 70% relative humidity. The salt in Trestlewood II makes moisture meter readings unreliable.
OdorWet Trestlewood II timbers and lumber often have a Great Salt Lake and/or "musty" smell to them. This odor is especially strong as wet Trestlewood II materials are being cut or otherwise processed. It tends to become less and less of an issue as the materials are allowed to air dry and are kept dry. We do not believe this to be an issue with Trestlewood II flooring and other kiln-dried Trestlewood II products (other than when they are being processed in some way or have moisture reintroduced into them), but we invite those with sensitive senses of smell to check it out for themselves.
InstallationThe flooring installer should be made aware of special Trestlewood II characteristics such as those listed above and should take them (as well as local conditions) into account when climatizing and installing a Trestlewood II floor.
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.
Additional InformationSee the current Trestlewood II Features/Issues summary for additional information about Trestlewood II characteristics and their practical implications. This summary is for informational purposes only and is not a part of the Trestlewood II T&G Flooring specification sheet.

Note: Please study Trestlewood II specification sheets and the Features/Issues document carefully to familiarize yourself with Trestlewood II characteristics and their possible implications for your application.