1 2 Plywood Roof Deck

Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors.

1 2 plywood roof deck.

Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. Osb has its advantages. Before lumber companies began selling osb the standard choice for sheathing a roof with a 24 inch rafter spacing was 1 2 inch cdx plywood the letters cdx indicate that it is construction grade.

On more modern homes roof decks are more often seen with laminated panels of plywood or non laminated oriented strand boards osb. Some panels have a textured surface which makes them less slippery when used for roof sheathing. Oriented strand board 660663 the home depot. Cdx ground contact pressure treated plywood model 131876 45 98 45 98.

The materials used may vary depending on the location of the building to the shape of the roof and even the surrounding climate. Osb sheathing costs a few dollars less per sheet than 1 2 in. In our area 1 2 in. Intervals so you know where underlying studs rafters and joists are for nailing.

Applies to panels 24 inches or wider. The materials can range anywhere from asphalt wood metal clay or even glass. 1 2 or 5 8 inch plywood is. Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.

Osb panels often have lines at 16 and 24 in. Provides exceptional dimensional stability and stiffness.