Find useful construction reference charts covering sizes, dimensions, spacing, materials, and common jobsite measurements.
188 resources available
Select a glulam beam only from a stated product, stress combination or layup, loading, span, support condition and design criteria.
Use this chart to understand the inputs behind wood-beam selection. A valid span depends on actual loading, species, grade, member size, stiffness, shear, bearing and support…
Choose a concrete patio thickness by intended use, loading, soil support, drainage, joints, climate and local requirements.
The complete concrete mix design reference — grade, PSI, application, exposure condition, water-cement ratio, and aggregate selection.
A detailed deflection reference explaining allowable deflection ratios, actual deflection formulas, modulus of elasticity, moment of inertia, and how deflection differs from strength.
A detailed LVL sizing reference organized around real manufacturer product lines rather than a single generic number. LVL is an engineered product, and every manufacturer publishes…
A detailed beam sizing reference built around the same inputs a designer actually uses: clear span, uniform and point load, tributary width, species and grade design…
Complete header sizing reference for contractors and DIY builders, organized by opening width, number of plies and load condition, since a header supporting only a roof…
Complete roof rafter span reference for contractors and DIY builders, organized by rafter size, spacing, species/grade, roof pitch and snow load, following the AWC Span Table…
Complete floor joist span reference for contractors and homeowners, organized by joist size, spacing, species/grade, and deflection limit, following the AWC Span Tables for Joists and…
Complete deck load reference for contractors and DIYers — how dead load, live load, snow load, and tributary area combine and travel through your deck's structure.
Complete deck joist span reference for contractors and DIYers organized by joist size, on-center spacing, and lumber species/grade, following the AWC DCA 6 / IRC R507.6…