If there is rotten decking the shingles are most.
Rehabilitate rotten roof plywood.
Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood.
Rotted plywood is identifiable by sinking areas of the roof or visible leaks.
Whether you are replacing your entire roof or repairing a small area fixing rotten sections of roof decking or sheathing is vital to creating a sound watertight structure.
Look up at the roof area.
Think about it before you spend your money.
I am using a 7 16 osb sheathing that i got from lowe s.
So there you go trying to save 1200 2000 on roof replacement by not removing old shingles and not repairing replacing rotted plywood will usually cost at least 4000 6000 more just in few short years.
Rotted plywood can cause a number of issues.
And this does not include any interior damages.
Locate the rotted roof decking.
Roof decking which is nailed to the roof s trusses holds roofing materials including felt paper and shingles and also serves to stiffen your home s structure and protect it from wind.
I m going a reroof in two weeks time where we are removing all the old roof covering and the old sheathing delaminated and rotted 3 8 plywood and replacing it with new 5 8 t g plywood.
Simply cut out rotted sections along the roofs trusses and replace them with new plywood.
Although the plywood typically lasts longer than most shingles and roof coverings leaks can cause them to rot.
Gain access to the attic to inspect the plywood or roof decking.
Over time exposure to the elements and damage created by nesting animals can rob your home s eaves the overhanging edges of the roof of their attractive appearance and structural strength.
The problem obviously is that you can only perform this once the old shingles are off.
Note bad areas for removal.
Fixing rotted plywood is extremely easy when doing a roof replacement.
In this video i show how to replace rotten plywood on your roof without breaking your back.
All roofs have a layer of plywood sheathing underneath them which provides a base for the shingle attachment.
Some sections don t even need replacement.