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.

3 4 plywood 4x8 3 8 plywood plywood subflooring plywood roof sheathing 48 24 sheathing plywood 3 4 in. 1 inch 25 4 mm 1 pound per square foot 0 0479 kn m 2. Osb has its advantages. Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.

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. In our area 1 2 in. Cdx ground contact pressure treated plywood model 131876 45 98 45 98.

The materials can range anywhere from asphalt wood metal clay or even glass. Osb sheathing costs a few dollars less per sheet than 1 2 in. Applies to panels 24 inches or wider. 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. Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing. 1 2 or 5 8 inch plywood is. Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.

The materials used may vary depending on the location of the building to the shape of the roof and even the surrounding climate. Some panels have a textured surface which makes them less slippery when used for roof sheathing.