Find useful construction reference charts covering sizes, dimensions, spacing, materials, and common jobsite measurements.
188 resources available
PEX tubing is sized by CTS convention, not by its actual outside diameter. This chart provides verified OD, ID, wall thickness and flow area by nominal…
The complete pilot hole reference for contractors, woodworkers, and DIYers, covering wood screws, lag screws, deck screws, structural screws, self-tapping screws, and concrete screws.
The complete screw head reference: flat, pan, oval, truss, fillister, hex, socket, and washer heads compared by profile, bearing surface, countersinking, and application.
The complete lag screw dimensional reference: diameter, decimal size, common lengths, threads per inch, hex head dimensions, socket sizing, and pilot hole chart.
The complete deck screw sizing reference: length and gauge by decking material and thickness, corrosion resistance by environment, and the critical distinction between deck-board and structural…
The complete soil bearing capacity reference: 2024 IBC Table 1806.2 presumptive values in psf and kPa, allowable versus ultimate capacity, settlement, and footing size guidance.
The complete rebar area reference: cross-sectional area for #3 through #18 bars in square inches and mm2, metric equivalents, and area per foot by spacing.
The complete curing temperature reference: cold weather minimums, hot weather guidance, cylinder curing conditions, strength effects, and the maturity method, in Fahrenheit and Celsius.
The complete slump reference: consistency ranges in inches and millimeters, the ASTM C143/C143M test procedure, slump by application, and how to interpret and troubleshoot results.
The complete rebar spacing reference: minimum clear spacing, maximum spacing by element, clear versus center to center spacing, bar size data, and current ACI CODE-318-25 provisions.
Choose drywall screws by gypsum thickness, framing material, Type S/W/G/A thread, screw length, head, drive and assembly requirements, not screw length alone.
Traditional wood screw dimensions, head types, drives, materials, length measurement and pilot-hole guidance, anchored to ASME B18.6.1 inch-series wood screw geometry.