PreConstruct AIGuides
Estimating guides for framing, concrete and drywall
Practical guides for estimators in Ontario and Canada: framing a house, concrete footings, walls, slabs and rebar in metric, and what goes missing on a drywall takeoff.
How to estimate framing for a house in Ontario
Walls, openings, floors, roofs, stairs, hardware and labour — the counts framers use and what gets missed.
Concrete takeoff in Canada: footings, walls, slabs and rebar
Volumes in cubic metres and yards, forms by contact area, Canadian rebar weights, and the Ontario code minimums to check.
Drywall takeoff checklist: what goes missing
Twelve things that fall off interior takeoffs — backing, headers, control joints, clouds and eight more — and how to catch them.
The takeoff self-check
Twelve yes-or-no questions about your own interior takeoffs, with the fix for each one you miss.