Replace Plywood And Section Of Roof

Replace the roof decking select plywood or oriented strand board that is the same thickness as the wood you are replacing.

Replace plywood and section of roof.

Stagger the sheathing in a brick pattern for extra strength. Choosing the right type of plywood for the roof is one of the most important construction decisions that you will have to make. Measure the opening of the section of roof to be shingled cut the plywood to size and nail to roof rafters. Both osb and plywood for the roof have been approved for use so it may come down to what you feel most comfortable using.

Damaged shingles and rotted plywood must be removed before replacing them with new plywood and roofing material. Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and. Rotted plywood is identifiable by sinking areas of the roof or visible leaks. If not climb the roof and measure the opening so you can cut the replacement piece to be a perfect fit.

The minimum plywood for roofing. All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment. Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot. Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component.

Gain access to the attic to inspect the plywood or roof decking. Note bad areas for removal. Locate the rotted roof decking. After cleaning the debris and reframing the roof lay down a base sheathing.

Look up at the roof area. If you can see original wood shingles on the underside of your roof when you re up in the attic you ll need not only to tear everything off but also to install new plywood decking all of which likely adds 5 000 or more to your costs. If you absolutely must use different thickness sheathing replace all of the plywood above the one that needs to be replaced to the ridge of the roof. Eight foot 1 2 inch thick plywood is standard sheathing material.

The tear off gets a lot more complicated if you have something other than asphalt up there. In other words you don t want to have 3 8 above the 1 2 because it will create a ridge that water will settle in.