How To Flash Vent In Flat Roof Modified Bitumen

When installing shingles where the is a vent pipe you will install the shingles up to the bottom edge of the pipe.

How to flash vent in flat roof modified bitumen.

Iko commercial industrial products. Rubber flange roof vent flashing. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. There are different primers available for sealing the concrete roofs.

The vent pipes are usually 1 1 2 to 3 inches in diameter. If your flat roof is covered with gravel you will likely need to hire a professional to reroof it. Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs. In the images below we are flashing a curb with modified bitumen membrane torch down material.

Step 3 prime the roof. Open valleys have metal flashing to protect this critical area of the roof. Sometimes we find that this principle is not practiced by other roofing contractors. The same principle applies to a modified torch down roof.

Part 11 modified bitumen flashing details view email or download this pdf document. Only modified bitumen materials should be used. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Flashing the curb with modified bitumen membrane.

After attaching the felt to the roof use a primer to prepare the roofing. Make sure the roofing is flat and free from creases and bubbles. A modified bitumen roof is an updated version of the flat asphalt roofing that is seen so much on commercial buildings the asphalt roofs had to have gravel and rock on top to hold them down because they actually sat on top of the roof and were not connected to the roof as would be a tile roof. This type of flashing is more commonly used on metal roofs.