Secure the plywood by inserting six penny nails along the rafters spacing them every 6 inches.
How to replace plywood in back porch roof.
Staple it to the roof decking or nail it with plastic capped roofing nails.
Lay felt paper onto the roof overlapping the existing paper to get good coverage.
Bouncy or springy floors are often the result of inadequate or damaged joists in the middle of.
Step 2 cut out patches for holes from identical thickness plywood using the coping saw.
Sand the edge of the cut until the edge tapers onto the surface of the underlying laminate.
Once you repair the hole in the roof plywood you need to seal up the seams and recover the roof.
Place a new plywood board in the same location ensuring the ends align over roof rafters.
Step 6 unroll new roofing felt over the new plywood and extend it at least 3 inches over each edge of the new plywood.
An aging wood porch may have decay in the porch boards themselves in the framing that supports it or both.