Plywood Rating For Roof

Exterior exposure 1 exposure 2 interior and structural 1.

Plywood rating for roof.

This type of plywood grade is a good choice for projects where you will ultimately cover the plywood panel with some other type of cover material like a smoother mdf sheet. The more economical types of plywood are the c d grades. For roof sheathing that stands the test of time it s tough to beat plytanium plywood only from georgia pacific. It adds proven performance and durability to new homes room additions and renovations.

The stiff and strong quality construction is ideal for both residential and light commercial construction. Occasionally you may run into a fifth grade called c plugged. There are five important ratings that convey where and how to use plywood. All rated siding panels may be applied horizontally direct to studs 16 or 24 inches on center provided horizontal joints are blocked.

Apa trademarked plywood is suitable for a variety of end uses including subflooring single layer flooring wall and roof sheathing sheathing ceiling deck structural insulated panels marine applications siding webs of wood i joists concrete forming pallets industrial containers mezzanine decks and furniture. Plywood is layers of wood plywood is made. Plytanium plywood sheathing provides outstanding performance durability and impact resistance for walls and roofs. A b c and d.

You ll see more repaired knots and voids on a sheet and some defects will be left as is. Plywood grades c d. Product standard ps 1 structural plywood u s. Exterior means the panels have been waterproofed and can withstand inclement weather.

Panels and lap siding bearing a span rating of 24 oc may be used direct to studs 24 inches on center. Product standard ps 2 performance standard for wood based structural use panels apa prp 108 performance standards and policies for structural use panels 4 1 s 2 0 description apa rated sheathing is rated for use as subfloor wall roof diaphragm and shear wall sheathing. Sheathing sizes osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load. Plywood sheathing is ideal for residential and light plywood sheathing is ideal for residential and light construction and every piece meets the highest grading standards for strength and appearance.

From blemish free and sanded smooth to gaping spaces around knots and cracks each grade of plywood has different characteristics. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors.