Apply 2 gallons per 100 sq.
Plywood roof materials.
A decking system is what s underneath your shingles.
Plywood is made out of laminated sheets of veneer.
The most common uses for plywood include support for floors walls roofs and garages in residential construction.
It is typically made.
Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2.
Plywood typically comes in 4 8 ft.
Steeper rather than flatter roofs will have lesser load per sq.
What kind of plywood for the roof.
Cdx plywood is a construction grade type of plywood that is designed for exposure to the elements.
When it comes to choosing what kind of plywood you need for the roof it is important to understand the basic categories that you can choose from.
Elasto barrier and embed contouring roof fabric into wet coating.
This kind of plywood can be used on roofs with minimal load.
Speaking of osb it s a top choice of homeowners looking for something more affordable than plywood.
Sheet with varying thickness.
Plywood is layers of wood.
Roll excess elasto barrier over top of the contouring roof fabric and allow to dry.
Most construction sites will consider the use of either osb or plywood for the roof.
Plywood subflooring 3 8 plywood plywood roof sheathing 3 4 plywood 4x8 3 4 sheathing plywood 48 24 sheathing plywood.
Foot and with a maximum of spacing of 16 inches between rafters.
When used for roofing plywood panels are covered and protected by a variety of building materials that keep the elements at bay including roof felt underlayment flashing and shingles.
Many factors affect thickness.
Tools reviews materials.
Plywood is made with three or more layers of thin wood glued together with the grain alternating.
The minimum thickness of plywood used for roofing is 3 8 th of an inch.
It s a top choice because of its characteristic wherein it expands evenly when exposed to water unlike osb wherein only the edges expand.
It can withstand moisture for a brief period of time but may become warped and delaminated with consistent exposure to the elements.
Required dimensions of plywood for roofing.
Depending on how old your home is it may need an entirely new decking system.
Osb and plywood come in thicknesses ranging from 5 16 to 3 4 inch and the thickness needed for a particular roof depends on several factors including rafter spacing expected load and roof.