Modified Bitumen Roof Leak

Repairing a rooftop with modified bitumen coating.

Modified bitumen roof leak.

Cracking and alligatoring inevitably follows allowing water to penetrate the system causing blisters and cracks. 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. Bitumen roof advantages and disadvantages. As plasticizers leach out of the asphalt a modified bitumen or mod bit roof becomes brittle.

They come in rolled sheets that are 3 feet wide and up to 36 feet long which are rolled easily onto the roof atop a base sheet membrane. The modified bitumen seals down to the roof so there are no seams. Some modified bitumen materials can be recycled. It s necessary to inspect the modified bitumen roof.

Seam failure inevitably follows causing leaks a black modified bitumen roof absorbs a lot of the sun s heat in the summer. Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures. This makes it waterproof and resistant to leaks. Determine the extent of the damage.

This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks. The sheets can easily be rolled out across the. Modified bitumen roof defects wear signs life expectancy life extension by coating. One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.

No matter what type of method was used to install the modified bitumen they all have on thing in common that is a good seal. Modified bitumen is easy to install.