Also known as: sq.
SQ has various meanings in the Study category. Discover the full forms, definitions, and usage contexts of SQ in Study.
In deck terminology, it is the term for 100 square feet of deck or roofing surface.Formula: number of squares = sum of(length of deck sheet in feet * width of deck sheet in feet * number of pieces)divided by 100. A unit of measure-100 square feet-usually applied to roofing and siding material. Also, a situation that exists when two elements are at right angles to each other. Also a tool for checking this. OR Rectangular, or at a right angle; the tool used for checking rectangularity.
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