The materials can range anywhere from asphalt wood metal clay or even glass.
Roof plywood layout.
The calculation is based on that the plywood or osb oriented strand board sheets are of a 4 x 8 size.
One sheet 32 ft.
The materials used may vary depending on the location of the building to the shape of the roof and even the surrounding climate.
Let s say that your roof has a total of 1 500 square feet.
On more modern homes roof decks are more often seen with laminated panels of plywood or non laminated oriented strand boards osb.
Divide that by 32 the square footage of each 4 8 plywood sheet.
Multiply that by 2 if you have a gable roof and that s the total square footage of your roof.
Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof.
Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and.
This basically calculates the number of sheets needed for a gable roof.