Continue reading How To Properly Replace Rotted Plywood On Your Roof → Replacing rotted plywood on a roof is essential for maintaining the quality and longevity of your home. I have written a detailed guide here where I share the steps to solve this problem.
Guide to Replacing Rotted Roof Decking in 4 Easy Steps
Assess the Damage
The first thing you need to do is take a guess at how widespread the rot has gone. It usually means removing shingles to assess the extent of seaway damage. Check roof flashings, such as those around plumbing stacks or chimneys for signs of leaks; these are typical areas that could have water ingress13.
Remove the Roofing Material
Remove all roofing materials in the affected area, carefully peel back shingles and underlayment. Help for the Rotted Plywood Under34
Measure the Affected Area
A product of exposure, measure the rotted wood area to ascertain how much new decking you will need. How to Make Sure Replacement Material Fits Snug Through Proper Measuring13
Cut Out Rotted Wood
Cut through the damaged area of the plywood with a saw. Make sure to cut well beyond what you can see as rotten so that you are getting rid of all the compromised material. Don’t cut into the underlying rafters in this step (34).
Prepare Replacement Decking
Using a circular saw, cut new plywood or oriented strand board (OSB) to fit the sections you removed. Make sure the new material is even and compatible in width with what will be needed to lay shingles13.roof repair (ad)
Install the Replacement Material on Position and Fit.
Lay the new decking into place onto the roof. Ideally you will have to tweak it a little for perfect fit, but should align well with existingstructure14.
Secure the Decking
Secure the new piece of plywood with nails or screws, and ensure to space out your fasteners roughly 6-8 inches for support. This is an important step to make sure your newly designed materials are appropriate for the weather and loading34.
Reinstall Roofing Materials
After fastening replacement decking, re-install underlayment and shingles over the affected area with layers sealed according to manufacturer recommendations13.
Additional Considerations
3) Ventilation and Moisture Control: Keep moisture out of your attic space with proper ventilation to prevent further rot.
Water-resisting under the surface: When it comes to keeping water from seeping through, think of installing a better quality felt paper (underlayment). 1
Inspections: Schedule semi-regular inspections of the roof to catch smaller items before they turn into bigger repairs.
Carefully follow these steps to replace rotted plywood on a roof and protect your home from more harm down the road.
