Check for any signs of light coming through the plywood to find any holes.
Roof leak between plywood.
I went in the attic to see it and took a picture there is a black area about 4ftx4ft maybe less.
And all the rest of the roof is fine.
If you notice areas of black mold however it s likely that this is where your roof has a leak.
Push the shingle or plywood into the tar and trowel more roofing tar around the edges of the patch.
Slow roof leaks can be deceptive because what you see might seem minor.
Skylight leaks in heavy rain are a common source for roof leaks.
Unless the roof is leaking the line you see on the roof is an aesthetic problem but the cupped plywood is putting an added strain on the shingles either side of the visible line.
Gable roof leak between plywood pics im just looking for a little advice i have a leak in my roof.
Roof leaks are confusing to diagnose.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Make the final repair as soon as weather permits.
To find the source of a roof leak.
Moisture causes wood to rot and rotten wood absorbs water even more readily than fresh wood.
Horizontal joints between stacked sheets of plywood siding use something called z flashing to keep water out.
Off the roof many other connections depend of flashings for water leak prevention.
If your roof leaks when it rains hard you may have an issue in any one of the following areas.
Also see if there are any areas on the underside that are darker than others.
If it hasn t rained or snowed lately these dark areas may not be easy to spot.
Walk carefully on the ceiling joists in the attic or use a sheet of plywood to walk on so you will not accidentally put a hole in the ceiling panel.
For example soak the downhill side of a chimney first then each side then the top on both sides.
Rotted plywood can cause a number of issues.
But what you can t see might be devastating.
If the leak isn t obvious have a helper watch in the attic while you get on the roof with a garden hose.
Repairing a roof leak from the inside is a temporary fix only.
Common areas of roof leaks during rain.
Im pretty handy but have never done roofs.
Rotted plywood cannot support the weight of a roof the way healthy wood can nor can it safely grip the nails put into the roof and keep them held firm.
Look in the attic with a flashlight for evidence like water stains trhen trace them up the roof and rafters to the entry point.
