Plywood comes in many thicknesses from 1/8 inch right up to 1,1/2 inch. Standard in Canada now is 12.5 mm . My favorite plywood store, Smith Plywoods in Surrey BC, has many thicknesses, many grades, and over 100 different facings on plywood. You can get almost any hardwood on the face of their sheets.
If you are talking about support for under the box spring, I would suggest 5/8"-3/4", provided you support it with bunkie boards.
It comes in a variety of thicknesses, from 1/4 inch to 1 inch.
It will depend on the thickness of the plywood!
with a tape measurer
Plywood. It has more trapped air.
I need the thickness dimension of 12 ply plywood for floor.
Generally speaking, the thickness of the plywood layed directly over floor joist.
The easiest way to determine an honest weight of a 4' x 8' sheet of plywood? 20-25 pounds per 1/4" of thickness. 3 pounds per square foot per inch of thickness according to APA Plywood Design Specification.
The cost of plywood depends on your location, dealer, thickness, and type. However, as a rule, an 8 foot by 4 foot piece of plywood will cost around $9 a sheet.
ahhh the all time question are you doing a complete tare off? if so 1/2 osb or 1/2 cdx (cdx is a poor grade plywood osb is orientated stand board or wood chips) osb is most economical as it is cheap and it works
18 mm is a measure of the thickness of the plywood. It gives no information at all on the length or width of the ply, which is what is required to calculate a volume.
That depends on the thickness of the plywood. If it's 3/4 then anywhere from 46 to 52 depending on the manufacture. Generally 48, again different thicknesses have a different count in the unit.
It varies from country to country, and also depends on the thickness of the ply sheet.
It depends on the material and the treatment of material that the plys are made of, the thickness of the plywood, the quality of the plys, the number of plys, and the force being exerted on it; tensil, sheer, compressive, flexural