Roof Leak Wall Meets Slope Below Skylight

Steeper pitches for skylight installation on flat roof.

Roof leak wall meets slope below skylight. The soffit that meets the roof is one of the toughest areas to waterproof. Common areas of roof leaks during rain. Start in the attic. If your roof leaks when it rains hard you may have an issue in any one of the following areas.

Leaks at skylights left unattended can lead to costly structural damage rotted roof sheathing rotted roof framing and wet moldy insulation as well. The laps on the roof sheets get flooded when excessive water fill the corrugations and overflow under the laps. Build a corrugated roof flatter than 5 degrees it is quite common and it will overflow during heavy rain. The roof sheeting manufacturers state that the minimum slope is 5 degrees.

An ice dam occurs when snow melts and the water freezes when it hits the colder edges of your roof. Base flashing step flashing and counter flashing. Proper roof wall abutment flashing examples. A roof leak is a major nuisance for most homeowners.

Find a roof leak when it s not raining. This roof leaks during the snowy part of winter and during storms in the summer certainly due to poor flashing. Below are two photographs of roof wall step flashing completed and effective of a slate roof against a brick wall below left and in process with step flashing against a dormer sidewall before the dormer siding has been put in place below right. Sloped glazing such as roof skylights probably has historically had more leaks into the roof structure due to improper roof flashing than other window failure causes.

Finding a leak can be frustrating or relatively simple depending on location and weather conditions. A chimney uses all three types to prevent water from coming in through your roof. Leak detection may go easier with these tips for locating a water leak and roof leak repair. In the photo you can still see signs of an ice dam.

Your installer will then hone in on a section of the roof above that room that meets the minimum slope requirements in the manufacturer s specs for your skylight. Generally you want to install a. There are three main types. But what you can t see might be devastating.

The screw holes at the laps will also start leaking. Look for discoloration on wood sheathing or rafters caused by water. We ll cover some of the most common causes for roof leaks below. Slow roof leaks can be deceptive because what you see might seem minor.

After the rain has stopped and it s sunny outside examine the exterior of your roof to look for problem areas that may be causing the leak.