Flat Roof Dormer Problems

Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.

Flat roof dormer problems. Penetrations can include plumbing and roof vents chimneys dormers or anything else that projects through the roof. The water is then constantly lashing onto the bedroom window. Even though these were previously billed as solutions for the leak a new roof and new siding did not stop the leaking. Flat roofs have less roofing material but more siding so your cost will vary based on the price of the materials you choose.

24 500 for dormer 16 wide x 14 deep. 80 125 per square foot or 17 900 to 28 000. With gutter it will still pool best to sort problem once and for all. The heavy snows and ice of winter 2013 14 compounded the problem when ice damming on the roof backed up into the dormer and poured through to the foyer ceiling creating the situation shown above.

Average cost and size. The first thing to look for is any roof penetrations. If the roofing deck is solid you re fine to walk on any flat part of a metal roof panel. Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have anywhere to go but straight down.

Items that penetrate the roof are by far the most common source of leaks. In fact it s rare for leaks to develop in open areas of uninterrupted shingles even on older roofs. A leak in a roof at the dormer can cause extensive damage and expensive repairs. Water stains appearing on the ceiling or mold growing on rafters are sure signs the leak didn t just appear overnight.

Leaks and moisture probably the most common problems with flat roofs leaks and lingering moisture are issues that can be dealt with effectively as long as you stay on top of them. I have a flat dormer roof and the water is pooling above the bedroom. A roof s support doesn t come from the roofing material it comes from the framing and finishing beneath the surface. Flat roof dormer cost.

The material is usually aluminum or galvanized steel and depending on the type of roof you have is most likely in the valleys around the chimney and even around dormer windows or skylights. Answered 4th jan 2016 like 0. However in my own experience the problems with leaking flat roofs are usually as a result of either poor workmanship installing the roof membrane poor maintenance by the building owner or as a result of age. The larger a dormer is the lower its cost per square foot will be.

If its only a small roof just have it refelted problem solved. Flat roofs are known as being problematic with many suffering leaks.