Home › Forums › Other › OT: First real rains in years, time to check your ceilings and walls. › Not sure I’m following which
Not sure I’m following which layer you’re talking about. Usually you have the shingles, underlayment, then plywood nailed to the rafters.
If you have planks instead, I think the main problem is they gapped has they aged
For replacing versus selling a leak, its condition and be of the roof. Are you dealing with asphalt shingles, T&G, tiles?
