Find useful construction reference charts covering sizes, dimensions, spacing, materials, and common jobsite measurements.
188 resources available
Verified U.S. agency examples, what actually controls foundation depth, soil and wind inputs, terminology, and a concrete volume formula. There is no depth that can be…
Outside dimensions, nominal and design wall thickness, weight per foot, area and section properties for common rectangular HSS, plus why A500, A1085 and mechanical tube are…
1/4, 3/8, 1/2 and 5/8-in. gypsum-board thicknesses, with wall, ceiling, garage and Type X application context.
Nominal diameters for #2 through 1/4 in. screws, how to read designations like #10-16 x 3/4, and why self-tapping, self-drilling, screw gauge and sheet-metal gauge are…
Drill-bit sizes, lengths, embedment and fixture thickness for small Tapcon screws and heavy-duty screw anchors, with the product-specific rules that decide each one.
Performance Categories from 3/8 to 1-1/8 in., decimal and metric sizes, Span Ratings, and wall, roof and subfloor guidance.
Maximum drywall screw spacing by board thickness, framing spacing, wall or ceiling use and adhesive, plus edge distance, screw penetration and screw-count formulas.
Head diameter, head height, square-neck dimensions, UNC threads, length measurement, thread length and hole sizing for 1/4 to 1 in. carriage bolts.
Manufacturer-verified rough opening, frame and masonry opening dimensions, size code meanings, measuring methods and the difference between a rough opening and an egress opening.
2 x 12 stringer dimensions, minimum throat depth, cut and solid stringer spans, spacing and counts, plus the geometry that sets stringer length.
Rough opening sizes for 24 to 36-inch doors, with manufacturer examples for exterior, double and pocket doors, plus how to measure and verify the opening.
Actual widths and thicknesses for 5/4 x 6, 2 x 6, composite and PVC deck boards, plus lengths, support spacing, gaps and board counts.