The Life Expectancy Of Modified Bitumen Roofing Membranes

The average rubber membrane roof life expectancy if properly installed and maintained properly can reach up to 40 years.

The life expectancy of modified bitumen roofing membranes.

Two of the commercial flat roof systems commonly found in the northeast are modified bitumen and thermoplastic polyolefin tpo. Modified bitumen roofing has been around since the 1970s when it was developed to address ongoing issues with traditional asphalt roofs. It uses different layers and tar to create a weatherproof and waterproof layer that acts as a roof. Modified bitumen roof life defects wear common defects life of modified bitumen roof effective roof coatings.

Exposed compound or bitumen. 1 some easily observed indicators include. Cost per square meter epdm is cheap to manufacture because it uses recycled materials. Catching the signs of aging early is critical in maximizing system life expectancy.

This article describes common defects found on modified bitumen roofs such as buckling cracking granule loss improper installation details leaks. Modified bitumen roof defects wear signs life expectancy life extension by coating. The rubber membrane has an average price of 0 80 per square foot. The expected lifespan of modified bitumen is one of the lowest out of all the roofing materials.

Modified bitumen is also called torch down roofing it lasts anywhere from 10 15 years. Many sbs roofing systems when expertly formulated professionally installed and properly maintained can last 20 to 40 years. When modified bitumen is applied using the heated torch method it releases harmful fumes. This is simply not true in florida.

The good news is this type of aging is not rapid. Tpo roofs have been around since the 1990s. Often you ll hear people use the term torch down roofing. For instance a home near the beach may experience a lot of wind.

It has a life span of about 10 20 years even less if it gets damaged. Modified bitumen happens to be the older flat roof material.