The apa american plywood association has created design specifications for the production of various plywood products.
Plywood sheet weight chart.
A 12 by 36 inch piece of 1 4 inch plywood.
Plywood thickness and weights.
On average a 4 x 8 sheet of 3 4 softwood plywood weighs about 61 pounds.
A 4 by 8 sheet of plywood equals 32 square feet so 32 times 2 3 is just over 70 pounds per sheet.
A few factors impact the weight of plywood.
Plywood weights sheets volume weight weight weight weight pack height pack height per pack m3 p pk kg psht kg pm2 kg pm3 kg ppack m3 tonne mm mm incl bearers ply r 12 bd 2400x1200 u f11 45 1 555 19 0 6 6 550 855 1 8 550 625.
Read on to learn more about what impacts the weight and find the weight for different varieties and thicknesses of plywood.
If you do consider switching materials review the chart below.
The formula engineers have rounded off weight calculations for plywood to square foot calculations and have decided that for engineering purposes a generic square foot of 3 4 inch thick hardwood plywood weighs 2 3 pounds.
Softwood plywood will weight somewhere between 20 to 22 pounds.
Some logic will make it apparent that switching smaller designs from plywood to steel is ill advised.
The precise thickness of the panel is a major factor in the weight.
The same size sheet of hardwood plywood weighs 45 pounds while a sheet of particle board weighs 61 pounds.
Because the sheet is so small switching to a hardwood does not make a huge difference in weight.
Plywood strength drops when thickness diminishes.
Thickness weight per sq ft.
Plywood is composed of approximately 92 97 wood with the remainder made up by primers sealants and adhesives such as phenol formaldehyde resin.
This is the thinnest and lightest sheet of plywood that you can typically purchase.
A 12 by 36 inch piece of 3 4 inch fir plywood can support up to 50 lbs.
A hardwood sheet of 1 4 plywood will weigh somewhere between 24 and 26 pounds.
Actual plywood sheets weigh slightly less as the specification is for pre sanded sheets.
Remember these are the weights per square foot of the planking material the interior structure will also be proportionately heavier.
Each sheet weighs about 40 pounds so each one of those stacks weighs almost a ton and a half.
Plywood weight charts help builders compare the weights of different grades of plywood calculate shipping weights and specify costs in building estimates.
In it they state that softwood plywood should weigh approximately 3 pounds per square foot per inch of thickness.
Stacks of 4 x 8 softwood plywood panels 15 32 inch thick.