W-shaped roof truss used in residential construction.
Wafer
A thin sheet of semiconductor (photovoltaic material) made by cutting it from a single crystal or ingot.
Waferboard
A type of structural flakeboard that is a reasonably new material used for sheathing and paneling. The wafer-like wood flakes are adhered together with phenol resin and compacted under pressure into sheets.
Wainscoting
Decorative paneling covering the lower 3-4 feet of an interior wall. Usually wood in a plain design; may be painted or only varnished.
Waiver
(1) Voluntary relinquishment of rights or claims. (2) The legal document that proves the relinquishment of rights or claims.
Waiver of lien
Voluntarily relinquishing the right of a lien, usually temporarily. This waiver may be explicitly stated or implied.
Wale or waler
Reinforced horizontal timbers used to brace concrete forms. These timbers measure at least 2' x 3' and are installed on the outside of the forms between the studs and are tied through the forms using wall ties.
Walk-out basement
Type of basement that allows a door to open into the yard because the basement is at ground level.
Walk-through
Final inspection of the home by buyer to check if the conditions in the contract have been satisfied.
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