Because the actual thickness may vary measuring the plywood is the only accurate way to determine its thickness.
Plywood wall panels thickness.
Each thickness of drywall or sheet rock or gypsum board what ever you call it is rated for a certain fire resistance given in time.
You need to check with your local building codes to see if using plywood with no sheet rock is legal.
Plywood if very combustible and burn very fast.
View the zip system residential warranty commercial warranty and or homeowner warranty for more details.
Plywood is often sold in 1 4 1 2 or 3 4 nominal thicknesses but the actual thickness is often 1 32 thinner.
Limitations and restrictions apply.
A 1 2 sheet is actually 15 32 thick.
The most common size for plywood sheets is 4 x 8 feet followed by 5 x 5 feet.
A double sheetrock wall could be rated as a one hour fire wall.
Builder magazine s 2015 2019 brand use studies.
Structural 1 rated panels only available from certain mills.
For example if the perimeter of the room is 24 feet 7 3 meters and the plywood panels you want to use are 4 feet 1 2 meters across you would need six panels.
Divide the perimeter of the room by the length of the plywood panels you want to use to find out how many panels you ll need.
A 3 4 sheet is actually 23 32 thick.
The most common thickness of plywood is 1 2 inch but plywood thickness can range from 1 8 inch.