Fibreglass Flat Roof Lifespan

How long does a flat roof last most modern flat roofs have a lifespan of 20 years or more so that means if you were to live in a house for 60 years you would only have to replace it two or three times before you die of old age.

Fibreglass flat roof lifespan.

This is where the term alligatoring comes from. The result is the roof becomes to looking wrinkled and cracked like the skin of an alligator. Most traditional flat roofs are made from either mineral felt or asphalt and will have a maximum life span of between ten and 15 years. Compared to an average life expectancy of bitumen based materials the life expectancy of a fibreglass roof is far greater than other flat roof products making it a cheaper option on a year by year basis.

In addition to these materials a grp shopping list also needs to include sealants and adhesives to bond trims and flashings along with rollers brushes and buckets. These joints help with flexibility of the fibreglass meaning the roof won t creak at much during the hot weather as there will be less strain during the thermal. In our experience a professionally applied fibreglass roof will last a lot longer than the 30 years. The noise can be reduced by special expansion joints that can be added when the roof is being installed.

You will have to also take into consideration the environment the surface is exposed to the level of maintenance it receives over the years and the amount of foot traffic. Thermoplastic olefin membrane is another flat roof option made from. Even though this is a normal thing within the lifespan of fibreglass roofs. Fibreglass roofs can last for 50 years.

Grp resin catalyst hardener fibreglass mating and a top coat resin are the essentials of a grp roofing system along with the fibreglass roof trims and flashing. For grp roofs this can reach up to 50 years well over the average flat roof. For one all roofs have a certain life expectancy. When a grp roof does reach this age it can lose its elasticity.

Professionals believe a well installed grp fibreglass roof will last for at least 25 years.