Life Expectancy Of Bitumen Roofing Membrane

Avcl there are two main avcl types used in the flat roofing industry.

Life expectancy of bitumen roofing membrane.

This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks. We all want to know. 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. Bitumen based or polythene based.

Modified bitumen roof defects wear signs life expectancy life extension by coating. If you re a little dismayed here s something you need to think about. Newer peel and stick systems are safer and easier to install. A cedar shingle roof like this one can last up to 40 years if it s taken care of properly.

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. Some however can reach until about 30 years depending on external circumstances as well as the maintenance. Thermoplastic olefin membrane is another flat roof option made from.

However it could be sooner due to the consistent wear improper install and lack of maintenance. As a rule of thumb the thicker the shingle the panel the membrane or the tile the longer the roof will last. Contractors install modified bitumen to your building using a blow torch. Below are some more facts about modified bitumen roofing.

The rubber membrane has an average price of 0 80 per square foot. In florida the average lifespan of a modified bitumen membrane roof is 12 years. Cost per square meter epdm is cheap to manufacture because it uses recycled materials. A typical roof can last 20 to 30 years.

The average rubber membrane roof life expectancy if properly installed and maintained properly can reach up to 40 years. Well unlike other flat roofing options a torch on roofing can only last for 15 to 20 years in an average. Torch down systems involve heating the adhesive as the material is unrolled. It typically has a lifespan of 40 to 50 years although most manufacturer warranties only guarantee a lifespan of 10 to 15 years.

Most membranes have a life expectancy of between 25 and 40 years which is in line with the service life of the building.