Fibreglass Flat Roof Lifespan

Fibreglass roofs can last for 50 years.
Fibreglass flat roof lifespan. For grp roofs this can reach up to 50 years well over the average flat roof. When a grp roof does reach this age it can lose its elasticity. 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. 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 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. 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. Thermoplastic olefin membrane is another flat roof option made from. The result is the roof becomes to looking wrinkled and cracked like the skin of an alligator.
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. It typically has a lifespan of 40 to 50 years although most manufacturer warranties only guarantee a lifespan of 10 to 15 years. In our experience a professionally applied fibreglass roof will last a lot longer than the 30 years. This is where the term alligatoring comes from.
The noise can be reduced by special expansion joints that can be added when the roof is being installed. However when it reaches that age it can lose its elasticity causing it to look cracked and wrinkled like the skin of an alligator hence the term. For one all roofs have a certain life expectancy. Unfortunately though they have a bad reputation due to their propensity to leak or become damaged through pooling water.
Even though this is a normal thing within the lifespan of fibreglass roofs.