Glossary of building terms: Q

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Quantity Surveyor – A person trained in construction measurement and costs. They usually work closely with the architect/designer, engineer and builder to itemise the quantities of materials and labour needed to build a house or other building, using the design drawings, and to give an estimate of how much the project should cost.

Quarry tile– A man-made or machine-made clay tile used to finish a floor or wall.

Quarter round– A small trim molding that has the cross section of a quarter circle.