Replace Plywood And Section Of Roof

All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment.

Replace plywood and section of roof.

Locate the rotted roof decking. Rafters run from the peak of the roof. If not climb the roof and measure the opening so you can cut the replacement piece to be a perfect fit. Damaged shingles and rotted plywood must be removed before replacing them with new plywood and roofing material.

If you were able to keep the removed section in one piece measure it. 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. Measure the opening of the section of roof to be shingled cut the plywood to size and nail to roof rafters. Replace the roof decking select plywood or oriented strand board that is the same thickness as the wood you are replacing.

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. Choosing the right type of plywood for the roof is one of the most important construction decisions that you will have to make. Look up at the roof area. After cleaning the debris and reframing the roof lay down a base sheathing.

Installing plywood on a roof hello youtubers here s another video about plywood sheathing and composition shingles after replacing all damaged wood and. Gain access to the attic to inspect the plywood or roof decking. 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. Stagger the sheathing in a brick pattern for extra strength.

Roofs are framed with rafters or trusses which are rafters joined by internal braces so they install as a single component. The minimum plywood for roofing. The tear off gets a lot more complicated if you have something other than asphalt up there. Rotted plywood is identifiable by sinking areas of the roof or visible leaks.

Eight foot 1 2 inch thick plywood is standard sheathing material. Both osb and plywood for the roof have been approved for use so it may come down to what you feel most comfortable using.