quarry tile: A man-made or machine-made clay tile, generally 6x6x1/4-inch thick, used to finish a floor or wall.
quarter round: A small molding that has cross-section of a quarter circle.
quarter-sawn grain: Another term for edge grain.
quick-setting cement: An asphalt-based cement used to adhere tabs of strip shingles to the course below. Also used to adhere roll-roofing laps applied by the concealed-nail method.
quote (quotation): A price provided by a contractor, sub-contractor or vendor to furnish materials, labor and/or both. Quotes differ from estimates in that an estimate is a best guess of the cost involved.