Footing Calculator

Footing Calculator

Click here to request the latest version of a handy Footing Calculator to help you calculate the maximum building span you can do with different footing sizes and depths. The standard upon which the calculator is based is periodically revised and updated by ASABE, so please include your contact information with your request so we may let you know when the standards and calculator are being updated.

This is a customizable spreadsheet - you may change numbers that are in Italics to fit your particular situation. Numbers in Bold are automatically calculated and should not be changed by the user.

The spreadsheet determines Maximum Post Spans per ASAE486.1 - Shallow Post Foundations.  This is the Post-Frame Standard referenced in Section 2306.1 of the International Building Code.

Questions: John Fullerton, Heartland Perma-Column; (785) 594-5696;  info@HeartlandPermaColumn.com .

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For Post-frame pole buildings or pole barns that are durable, economical, energy-efficient and environmentally-friendly sustainable buildings, use Perma-Column foundation products. Perma-Column concrete posts and Sturdi-Wall post brackets keep building posts out of soil contact, for a post foundation that will never rot. We can help you with pole barn plans / pole barn blueprints /pole building designs / post-frame building plans; also pole barn kits, pole building prices, post brackets, and other pole building foundation options. We can help you find a post-frame builder / find a pole building contractor / find a pole barn builder. Contact us to find pole building supply companies, and find a pole building engineer or post-frame building design professional who can engineer and stamp a pole building plan. Click here to request pricing, technical and other info.