In-depth guides on building codes, trade math, and material estimation — written by tradespeople, for tradespeople.
Learn the IRC and IBC stair code requirements for riser height, tread depth, headroom, and handrails. Avoid the most common code violations that fail inspections.
Read guideLearn how to calculate common, hip, valley, and jack rafters. Covers rafter tables, birdsmouth cuts, ridge shortening, and HAP calculations.
Read guideLearn how to estimate concrete for slabs, footings, columns, and steps. Covers ready-mix vs bags, waste factors, ordering tips, and cost comparison.
Read guideMaster crown molding angles for inside and outside corners. Learn flat and nested cutting methods, spring angle basics, and how to set your miter saw.
Read guideUnderstand board feet — the standard unit for measuring and pricing hardwood lumber. Covers the formula, nominal vs actual dimensions, and species pricing.
Read guideUnderstand IRC deck railing requirements for baluster spacing, the 4-inch sphere rule, guardrail height, and stair railing rake angle considerations.
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