Use the flashlight to check for any water trails or.
How to find a leak in an asphalt shingle roof.
You might also like to read our one of the most read blog post on how to repair asphalt shingles and roof leaks.
Water will reflect light so bring a flashlight along.
If you cannot find any problems with your roof s shingles and all the roof flashings seem to be intact then check to see if your roof has a sufficient pitch for an asphalt roof.
Water stains will often appear darker due to wood rot mildew or mold.
Look for discoloration on wood sheathing or rafters caused by water.
The goal is to find the leak before the entire roof goes bad.
Climb inside the attic in the area where the roof is leaking.
Start low soaking the area just above where the leak appears in the house.
Find a roof leak when it s not raining start in the attic.
If you have an attic the easiest way to spot the leak is to up there on a rainy day.
Identifying the true location of roof leaks in the attic.
If you find a shingle lying in your garden chances are the next rainstorm will be sending water into your house.
Measure down from the roof peak to the highest point of the leak and over from a gable end to the leak.
Check for any signs of light coming through the plywood to find any obvious holes.
During a heavy storm strong wind gusts can tear off shingles and cause leaks.
If a leak is difficult to find enlist a helper and go up on the roof with a garden hose.
Replacing a shingle is a matter of prying off the nails from the course below and sliding the new shingle into place.
If your roof s pitch is less than 3 to 12 then it is likely that your roof is subject to leaks due to a wind driven rainwater.
Nail the newcomer down securely and then re nail its neighbors.
The dripping wet result of a roof leak is obvious but finding the actual location of a leak can be a challenge.
When the roof is dry go on the roof and transfer the measurements to the roof allowing for any overhang on the end of the roof.
For example soak the downhill side of a chimney first then each side then the top on both sides.
This can look very much like a roof leak even though the roof can be completely solid.
Once you locate the source of the water mark the area.