Guides
Practical, field-tested explanations of layout, measuring and estimating — written to be used with a tape in your hand.
- The 3-4-5 Rule: The Complete Guide to Squaring Corners
Why three, four and five make a perfect right angle, and how to use them on slabs, decks, walls and tile.
- How to Lay Out a Foundation with Batter Boards and String
Build batter boards, pull string lines, square with 3-4-5 and verify diagonals before digging.
- How to Square a Deck Frame (Ledger, Rim Joists and Diagonals)
Square the deck from the ledger out, then prove it with diagonals before decking goes on.
- How Square Is Square Enough? Layout Tolerances Explained
What tolerances pros work to, and why small errors at the corner become big ones at the far end.
- Pythagorean Triples for Builders: Beyond 3-4-5
A practical table of whole-number right triangles and when each is the better choice.
- How Much Concrete to Order: Slabs, Footings and Waste
Volume math, waste allowance, bags vs ready-mix, and how to place the order.
- How to Hire a Contractor: A Practical Checklist
Get comparable quotes, verify licence and insurance, and protect yourself with a clear contract.
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