Life Expectancy Of Bitumen Roofing Membrane

Contractors install modified bitumen to your building using a blow torch.

Life expectancy of bitumen roofing membrane.

A typical roof can last 20 to 30 years. Bitumen based or polythene based. Maintaining your roofs can easily extend the life expectancy of all roofing materials. On high humidity buildings or concrete decks bitumen based avcl s are normally the first choice.

If you re a little dismayed here s something you need to think about. We all want to know. Torch down systems involve heating the adhesive as the material is unrolled. Some however can reach until about 30 years depending on external circumstances as well as the maintenance.

Avcl there are two main avcl types used in the flat roofing industry. Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings. The rubber membrane has an average price of 0 80 per square foot. Most membranes have a life expectancy of between 25 and 40 years which is in line with the service life of the building.

However it could be sooner due to the consistent wear improper install and lack of maintenance. The average lifespan of a bitumen roof is 10 15 years. A cedar shingle roof like this one can last up to 40 years if it s taken care of properly. Cost per square meter epdm is cheap to manufacture because it uses recycled materials.

In florida the average lifespan of a modified bitumen membrane roof is 12 years. Modified bitumen roof defects wear signs life expectancy life extension by coating. Thermoplastic olefin membrane is another flat roof option made from. While built up roofs have the shortest roofing system lifespan of any material in the study modified bitumen is right behind lasting 12 20 years on average just slightly better than the poorest performer.

As a rule of thumb the thicker the shingle the panel the membrane or the tile the longer the roof will last. It typically has a lifespan of 40 to 50 years although most manufacturer warranties only guarantee a lifespan of 10 to 15 years. This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks. Below are some more facts about modified bitumen roofing.

Newer peel and stick systems are safer and easier to install.