Exterior interior type a and interior type b.
Research loafer plywood roof.
Roof sheathing fastening schedulea b c d e 8d common 0 131 x 2 1 2 inches or ring shank 0 135 x 2 1 2 inches except where noted for exposure b enclosed buildings roof framing spaced 24 inches o c.
Frt plywood treatments are divided into three categories.
Severe weather 1 2 in common douglas fir plywood sheathing application as 4 x 8.
Elasto barrier and embed contouring roof fabric into wet coating.
It adds proven performance and durability to new homes room additions and renovations.
Apply 2 gallons per 100 sq.
Roll excess elasto barrier over top of the contouring roof fabric and allow to dry.
Plywood sheathing delivers outstanding rigidity strength and versatility and is an excellent choice for.
Even though it isn t visible it is very important to the structure.
Most roofs will be sheathed in plywood at least 3 8 inch thick.
Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2.
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.
Foot and with a maximum of spacing of 16 inches between rafters.
A roof deck typically will be interior type a because it is not exposed directly to outside elements.
That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.
Sometimes referred to as roof sheathing or a roof deck this plywood acts as a foundation for the layers of underlay and the shingles on your roof and connects the roof to the frame of the house.
The minimum thickness of plywood used for roofing is 3 8 th of an inch.
This kind of plywood can be used on roofs with minimal load.
Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and.
Loads will vary with the pitch of the roof.
Type b treatments can cause excessive moisture to accumulate in wood allowing chemicals to react with steel fasteners and connectors.
The ideal thickness for the standard rafter spacing of 24 inches is 5 8 th of an inch.