Questions and Answers for 15/32 in. x 4 ft. x 8 ft. 3-Ply RTD Sheathing

A:  Marie4011, There is not a FL approval number for Rated Sheathing. However, it is approved by the Dept. of Commerce. If you go to buildgp.com and request a letter I will send it you.

A:  3-Ply means 3 layers of wood - not 3 for that price

A:  Dharma, Rated Sheathing weighs an average of 54 pounds among the mills.

A:  Fire retardant treated (FRT)

A:  It stands for "Rated." The span rating, such as 32/16, will be stamped on the material. It can span 32" if laid horizontally between supports and 16" if laid vertically between supports.

A:  Resistance Temperature Detector

A:  Lamar, This plywood is not pressure treated.

A:  Fred, Yes. However, it depends on the weight of products and how much support install under the sheathing.

A:  AlDav, We do not recommend using Rated Sheathing is siding as it is not a exterior product. We recommend an exterior grade siding.

A:  3145sf is the house. that was a bad help. it depends on the pitch of the roof too... which adds a whole lot more to that square footage...

A:  Izzy, Each plywood panel is 32 square feet. If you divide 32 in 3145, you get 98.28. We recommend adding 15 percent to account for installation wastage and 5-percent to account for defective materials.

A:  Depends on how you have to cut them.... each plywood is 4x8 or 32 square feet. So reasonably expect to use 10 because of waste.

A:  If you are going to put floor on joists... floor joists should be 24" or less, and use no less than 3/4" I would use 1". And use pressurized wood for the floor joists and keep them off the ground. I would also spray 5th generation insecticide on the groun

A:  Zeek, If you are on a concrete slab, add at least 6 mil vapor barrier and you may use Rated Sheathing as a shed floor. If your floor will be open to the ground (elements), we recommend using exterior grade plywood.