Concrete Mix Ratio Guide: Turning 1:2:3 Into Real Quantities Introduction A concrete mix ratio like 1:2:3 (cement:sand:gravel) is one of the first things people run into when hand-mixing concrete, but the ratio itself doesn’t tell you how many bags or…
Rebar Guide: Calculating Grid Spacing, Total Footage, and Stick Count Introduction Rebar in a slab is laid out as a grid — one set of bars running the length of the pour, a second set running the width, both spaced…
Gravel Base Guide: Calculating Depth, Yardage, and Tonnage Introduction A compacted gravel base under a concrete slab does two important jobs: it provides drainage so water doesn’t pool under the concrete, and it creates a stable, evenly-compactable surface so the…