Modified Bitumen Roof Blisters

The most common problems include.

Modified bitumen roof blisters.

Determine the extent of the damage. All conventional low slope roof systems can experience blisters in some form. Repair of blisters on modified systems in general blisters that are keeping air in will keep water out. Using hot asphalt fused by torching the sheets together or cold applied using adhesives or peel stick.

The membrane consists of a multi layer sheet of asphalt with polyester or fiberglass reinforcements and plastic or rubber modifiers. Blisters typically develop from lamination voids within the system or product. Bitumen roof if the membrane is in good condition your contractor can simply cut an x shape into the blister to access the layer underneath. A pocket of air trapped between the layers of a roof membrane between the components of a roof assembly or within a layered roofing product such as an asphalt shingle.

Either embed aggregate in hot bitumen or roof cement or apply a surface coating compatible with the existing surfacing. Blisters in a modified bitumen roof. It contains a base sheet with no granule and a cap sheet with granule protection. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

Roofing membranes for low slope application are generally asphalt or polymer based 1 bitumen has been used as a roof water proofing agent for many years. The resulting mixture is called modified bitumen. The big issue with repairing a modified bitumen roof surface is the question of whether moisture has made its way into the asphalt layer and if so how much. It s necessary to inspect the modified bitumen roof.

They typically are installed as a one two or three ply roof system. Construction definition roof blister. Repairing a rooftop with modified bitumen coating. Modified bitumen roof system is a two ply application waterproofing system.

Liquid applied coatings should be installed per the manufacturer s instructions which may include a waiting period. These reinforced rolled sheets can be adhered by. Modified bituminous sheets are made by combining. Modified bitumen roofs are a cross between built up and single ply systems.