Applies to panels 24 inches or wider.
1 2 plywood roof deck.
Floor and roof sheathing conforming with this table shall be deemed to meet the design criteria of section 2304 7.
Osb has its advantages.
Osb panels often have lines at 16 and 24 in.
Some panels have a textured surface which makes them less slippery when used for roof sheathing.
Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.
Oriented strand board is an excellent choice for roof deck wall and subfloor sheathing.
In our area 1 2 in.
Osb sheathing costs a few dollars less per sheet than 1 2 in.
Provides exceptional dimensional stability and stiffness.
Intervals so you know where underlying studs rafters and joists are for nailing.
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.
1 2 or 5 8 inch plywood is.
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.
Oriented strand board 660663 the home depot.
On more modern homes roof decks are more often seen with laminated panels of plywood or non laminated oriented strand boards osb.
1 inch 25 4 mm 1 pound per square foot 0 0479 kn m 2.
Uniform load deflection limitations 1 180 of span under live load plus dead load 1 240 under live load only.