3/4 inch plywood takes 48 sheets to make a unit.
It is impossible to answer this question because there are no units of measurement in evidence. You have 4x8 sheets of plywood. 4 what by 8 what? 4 millimetres by 8 miles? 4 inch be 8 yards? Next, you wish to cover 13 squares. Giving some approximate idea of what size the squares are might have been helpful.
No, not safe; if supported on each end it is likely to break
4
Two quarters of an inch are in a half inch.
A unit of half-inch plywood typically contains 48 sheets.
3/4 inch plywood takes 48 sheets to make a unit.
The amount of weight a half-inch sheet of plywood can hold will depend on the grade and type of plywood, as well as the size of the sheet and how the weight is distributed. As a general guideline, a half-inch sheet of plywood can typically hold between 40-60 pounds per square foot when evenly distributed.
A half inch thick steel plate, A half inch thick plywood, Brick, Concrete Block
22 X22 inches it would be just one. If you mean 22 X 22 feet you would need 18 4X8 sheets.
A sheet of half inch 4 x 8 pine plywood typically weighs around 38-48 pounds, depending on the specific type of pine and any additional treatments or finishes applied.
The new 'light' half inch sheets are about 32 pounds.
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.
A half-inch binder can typically hold around 75-100 sheets of standard 20-pound paper, depending on the thickness of the paper and other materials inside the binder.
¼-inch plywood 0.31 3/8 inch plywood 0.47 ½-inch plywood 0.62 5/8 inch plywood 0.78 This is taken from http://www.sizes.com/units/rvalue.htm, which also has some other materials that could/would commonly be used alongside with plywood to increase the R Value such as building paper and insulation... if both sides of the frame are ply then you must also include the void.
It is impossible to answer this question because there are no units of measurement in evidence. You have 4x8 sheets of plywood. 4 what by 8 what? 4 millimetres by 8 miles? 4 inch be 8 yards? Next, you wish to cover 13 squares. Giving some approximate idea of what size the squares are might have been helpful.
The weight of 1.5-inch plywood can vary depending on the specific type and density of the wood used. On average, 1.5-inch plywood can weigh approximately 3.2-4.8 pounds per square foot.