Wood Handbook, Wood as an Engineering Material

Moisture content Moisture content (MC) is the amount of water (in any of its forms) contained in wood (see Chap. 4). MC includes ...

wood to fiber saturation, and it is the only way to bring the MC of wood above fiber saturation. As wood continues to absorb liq ...

Shellac (a natural product made from the secretion of lac-producing insects such as Kerria lacca) and specially formulated synth ...

penetrating finishes such as solvent-borne oil-based semi- transparent stains last longer on saw-textured wood than on smooth-pl ...

differences of the various pieces, use opaque finishes rather than natural finishes (such as semitransparent stain). As with oth ...

(c) waterborne salts (such as copper quaternary ammonium complexes, copper azole, and chromated copper arsenate (CCA)) (Chap. 15 ...

growth rate, degree of exposure, grain orientation, tempera- ture, and wetting and drying cycles affect erosion rate. Table 16–2 ...

Effect on Wood Finishes Finish resins (ingredients that form films or penetrate wood) are organic polymers, and as with lignin i ...

need to work in concert with flashing; they are not a substi- tute for flashing. Vent clothes dryers, showers, and cooking areas ...

Prevent moisture-related problems in siding by using rain- screen design (that is, by furring out the siding 9 to 19 mm (3/8 to ...

(pigment, oils, and polymers). Reformulated finishes may contain more solids, new types of solvents and co-solvents, or other no ...

Penetrating Clear and Lightly Colored (Tinted) Finishes Penetrating transparent clear finishes have no pigments and the generic ...

of synthetic polymers. Synthetic polymers do not penetrate the cell wall, but form a thin film, seal the surface, and pro- vide ...

Refinish exterior wood when the old finish has worn thin and no longer protects the wood. If all factors are working in concert ...

place (corner, door, or window). If possible, work in the shade to slow drying. Coverage is approximately 4.9 to 9.8 m^2 L–1 (20 ...

Oils Drying oils, such as linseed and tung, are appropriate natural finishes for indoor use and are fine for indoor furniture an ...

Refinishing Scrape areas where the stain has flaked, wash, if necessary, and refinish. As with oil-based semitransparent stains, ...

and are prone to embrittle over time. Latex paints (primers and top-coats) permit water cleanup; oil-alkyd paints require organi ...

paint. However, too many coats of latex paint can eventually lead to adhesion failure of the primer. In situations where catastr ...

WRPs, tinted clears, and oil-based semitransparent stains give some protection; however, a paint system gives the best protectio ...