Find useful construction reference charts covering sizes, dimensions, spacing, materials, and common jobsite measurements.
188 resources available
Nominal and actual barrel outside diameters, wall thickness and inside diameters for cast iron soil pipe, with the differences between hubless and hub-and-spigot pipe.
Schedule 40 ABS drain, waste and vent pipe: actual outside diameters, minimum wall, calculated inside diameters, and the differences between solid-wall and foam-core ABS.
CTS SDR 11 and IPS Schedule 40/80 CPVC dimensions, with actual OD, minimum wall, calculated ID, the standards behind them and the formulas to check them.
Learn what rod diameter, inside width, inside length and thread length mean, see a manufacturer pipe U-bolt chart, and follow the path from nominal pipe size…
See common inch and metric rivet diameters, then connect them to grip range, product-specific hole sizes, drill choices, head styles, materials and strength, because rivet size…
See allowable fill areas and same-size THHN/THWN-2 conductor counts for Schedule 40 and Schedule 80 PVC electrical conduit, with the 53%, 31%, 40% and 60% limits,…
Look up Class 150 and Class 300 flange outside diameter, thickness, bolt circle, hole count and hole size, and learn how NPS, pressure class, flange type,…
Compare IPS and DIPS HDPE pipe sizes, controlled OD, DR 11 and DR 17 wall thickness, manufacturer average ID, PE4710 water-service examples and the current ASTM…
Find the number, diameter and reference length of studs for Class 150 to 2500 flanges, and learn why bolt diameter is not hole diameter, how stud…
See published 4 × 8 plywood weights by thickness, weight per square foot, density formulas, moisture and treatment effects, and pallet, truck and dead-load calculations, with…
See how many same-size THHN/THWN-2 conductors fit in 1/2 through 4 in. EMT, with EMT internal areas, the 53%, 31%, 40% and 60% limits, mixed-conductor calculations…
Compare plywood Performance Categories, decimal thickness labels, PS 1-22 thickness ranges, millimeter conversions, span ratings, veneer grades and panel sizes, and see why the fraction on…