Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only.
Floor sheathing weight per square foot.
Softwood plywood is typically used as structural plywood roof decking sheathing flooring.
If there s wall board covered ceiling suspended from the underside of that floor the dead load increases to about 10 pounds per square foot.
This is much below the 50 lbs ft 2 load designed in most homes.
If you weigh 200 lbs.
800 32 25 sheets.
1 inch 25 4 mm 1 pound per square foot 0 0479 kn m 2.
For example if the area to be covered in plywood is 800 ft 2 then 25 sheets of plywood will be needed to cover it.
1000 32 31 25 lbs ft 2.
Below is a guide to the building materials weights for typical supplies used during the construction of your walls ceilings and floors.
Anyone care to speculate on how much weight a floor in a house with a crawl space not a concrete slab might hold.
A 4 8 sheet of plywood is 32 ft 2.
Maple wood weighs aprroximately 48 lb cubic foot and so the flooring should weigh about 3 lb sq.
Divide by the total square footage by the square footage of a sheet of plywood to find the number of sheets required to cover the space.
Depending on the thickness of the flooring 3lb would be average for 3 4 inch thick flooring.
The dead load on a floor is determined by the materials used in the floor s construction.
The weights of other actual products of the same type may vary.
I figure it will weigh about 300 pounds per square foot with a 10 square foot base.
A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot.
Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
The screw count is a bit high at times but this will allow for losing some.
Weight of roofing materials.
These are the weights of typical actual products.
Pounds per square foot lb ft 2 pounds per square 100 sq.
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Soundproofing company recommends 5 8 gypsum drywall for its heavy weight at 2 5 lbs per square foot.
This would distribute the weight over a big area 800 32 25 lbs ft 2.
Applies to panels 24 inches or wider.
Asphalt shingles 3 tab or strip 1 95 lbs.
The apa standard weights are not the weights of actual products and tend to be somewhat heavier than the weights of any real softwood plywood you will find.
Ft kilograms per square meter kg m 2 source.
Acme 496 acme.
