The free tools are the comparisons and checks I wanted on one screen while sizing members, quoting material, and answering builders. No login required. Use them. If you need to save the work, build a material list, or carry the answer into a project file, that is what Bardowl Pro is for.
Compare I-joist products across all manufacturers. Span tables, cross-compare, and head-to-head.
Open in new tabMethod, worked examples, and what governs the span, then the calculator.
Wood floor joist spans by species, grade, spacing, and deflection limit.
Multi-ply deck beams from the loads the joists actually deliver.
Joists, beam, posts, and ledger sized together as one system.
T&G timber decking spans by thickness, layup pattern, and load.
Grades, design values, green versus kiln dried, and where DF earns its price.
Every engagement starts with understanding your situation. Clear scope, realistic timelines, honest pricing.
Tell us about your project. We'll tell you honestly whether we're the right fit.
Twenty-five years in lumber, engineered wood, and structural timber. Nineteen of them at the engineered design desk for one of the Midwest's leading wholesale lumber distributors.
Bardowl, and every tool on this site, came out of that work.
