Reference
Reference: weights, sizes, calculations
Weight-per-metre charts, profile sizes and material quantities for a site. What you would normally hunt for across forums, gathered in one place.
Square tube weight: size chart
What a metre of 20×20 … 100×100 tube weighs and how to price a batch.
Rolled metal
Channel: sizes and weight per metre, 5P to 20P
The full range of numbers: height, flange width, weight per metre.
Rolled metal
Equal angle: sizes and weight
From 25×25×4 to 100×100×10 — weight per metre and typical uses.
Rolled metal
A500C rebar: weight per metre and bars per tonne
Diameters 8–32 mm, weight per metre, 11.7 m bars per tonne.
Rolled metal
Profiled sheet: PS, PK and NS marking and roof quantities
What the letters and numbers mean, effective width, allowance for overlap.
Rolled metal
I-beam: sizes, weight per metre and where it is used
Beams 10B1–20B1: sizes, weight and the difference between B, Sh and K.
Rolled metal
Steel plate: thickness, formats and sheet weight
Hot-rolled and cold-rolled plate: what a 1250×2500 sheet weighs.
Rolled metal
Aerated block: sizes, blocks per pallet and per wall
Common sizes, blocks per cubic metre and pallet, wall quantities.
Building materials
Aerated or ceramic block: which to choose for walls
Compared on insulation, strength, weight, laying and labour cost.
Building materials
How much concrete a foundation needs: calculation
Strip, raft, piles — working out the volume without over-ordering.
Building materials