1 2 Plywood Roof Deck

Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

1 2 plywood roof deck.

On more modern homes roof decks are more often seen with laminated panels of plywood or non laminated oriented strand boards osb. Provides exceptional dimensional stability and stiffness. Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only. The materials used may vary depending on the location of the building to the shape of the roof and even the surrounding climate.

Applies to panels 24 inches or wider. Osb panels often have lines at 16 and 24 in. 3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. 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.

Cdx ground contact pressure treated plywood model 131876 45 98 45 98. Oriented strand board 660663 the home depot. Plywood used for roof decking is typically called sheathing and carries a grade stamp indicating its load and span ratings and other performance factors. Osb has its advantages.

In our area 1 2 in. Some panels have a textured surface which makes them less slippery when used for roof sheathing. Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7. Intervals so you know where underlying studs rafters and joists are for nailing.

1 2 or 5 8 inch plywood is. Osb sheathing costs a few dollars less per sheet than 1 2 in.