How To Find Roof Leak With Multiple Shingle Layers

Start low soaking the area just above where the leak appears in the house.

How to find roof leak with multiple shingle layers. Use the flashlight to check for any water trails or. When you re just layering over the old roof you won t get the same opportunity to fully inspect the roof s sheathing. Benefits of adding multiple shingle layers. Often there is a problem with the first layer of shingles that was not apparent.

Because below the shingles and above the roof sheathing lies a layer of felt paper. Isolate areas when you run the hose. Adding a second layer could compromise the structure of your roof. The underside of your roof may be obscured by insulation and that s actually helpful for finding the roof leak.

That doesn t mean that you will immediately see water pouring through the ceiling into your living room. How many layers of shingles are allowed on a roof. Assessing a roof leak. Climb inside the attic in the area where the roof is leaking.

Water will find its way into this gap and leak under your shingles. Follow damaged insulation back to the source of the roof leak. Exposed to water as it rains. Cons to overlaying a shingle roof can t detect leaks or other damage.

Some overhead leaks are due to minor problems such as a single torn shingle or a small hole in flashing that you can usually handle with a little diy experience and some. When it s time to replace your roof there are several factors that might lead your roofing professional to. That limit pertains to roofs with up to a 4 12 pitch. A second layer of shingles only complicates the job when a roofer is trying to fix a leak.

However there are some guidelines. The best life will come from removing all the old layers down to roof boards or sheathing and then laying down the new roof on a well repaired flat surface. Most building codes allow up to two layers of organic or fiberglass asphalt shingles. Check for any signs of light coming through the plywood to find any obvious holes.

Multiple layers of shingles happen because folks want to avoid extra removal work or to save the cost of removal labor and disposal costs. If your roof contains one layer of common asphalt shingles it usually takes a 1 or above diameter hail stone to cause damage roof hail damage. There may be leaks bad flashing damaged or rotted wood algae growth etc and you can t fix or prevent what you can t see. For example soak the downhill side of a chimney first then each side then the top on both sides.