Flat Roof Dormer Leaking

Lack of flashing at top of trim over window.

Flat roof dormer leaking.

Many homeowners also have a licensed roofer walk their entire roof every year or two to report on the condition and make any minor repairs. Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p. It is leaking badly now. My rear dormer flat roof has been leaking for 12 months and i wasn t able to do anything about it due to illness.

I need the roof replaced and would like some urgent guidance please. Roofing leaking dormer flat roof. Most dormer leaks occur as the flashing deteriorates and the connection between the two roofs is weakened leading to leaks which may cause mould stains and damage within the walls of the house. Roofing leak at dormer roof.

Even though these were previously billed as solutions for the leak a new roof and new siding did not stop the leaking. Deteriorated caulk around window. Roof damage from falling branch or hail. 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.

The felt roof is over 20 years old and the roof is approx 12 sqm. When it comes to flat roof repair options simple patch repairs for flat roofs such as those on garages or extensions can cost a few hundred pounds. Improperly installed or deteriorated roof to wall flashings. Flat shed and wall dormers are often quite large.

A leak in a roof at the dormer can cause extensive damage and expensive repairs. A disadvantage is that flat roofs don t shed rainwater and melting snow like sloped roofing so leaks are more likely but a high quality flat roof membranes such as pvc can be used to mitigate the risks of flat roof dormer leaking. 3 deteriorated caulk around window and sill. 2 lack of flashing at top of trim over window.

However the way these shed dormers are built requires them to have a very low sloped roof at times almost flat. Dormer roofs are often made of a cheaper less durable substance than the rest of the roof. However given the nature of flat roof repair costs it can sometimes make sense to replace the entire roof. 1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer.