Despite this the pooling of water can still occur on grp roofing and lead to leaks.
Ponding on fibreglass flat roof.
So if your flat roof is collecting water that doesn t drain or evaporate within 48 hours you will need to fix it.
And the problems above will only occur for three reasons.
The ponding will make no difference to a well formed good workmanship grp roof.
It s commonly used on extensions and garages and can be one of the most convenient and cost effective roofing solutions since it takes much less effort and labour to install than the alternates.
It may also void your warranty.
The grp flat roof has standing water or is ponding water into one area.
How to install a fibreglass flat roof in easy steps to learn how to fibreglass a flat roof please read the article and it will take you through the process from start to finish clicking on links along the way will open that page in a new window so it does not hinder the continuity.
Fibreglass roofing has extremely good waterproofing properties compared to some other flat roofing systems.
On a performing flat roof ponding water is not a problem as it will drain or even evaporate away.
Flat roofs by their very nature will collect some water when it rains.
Standing or ponding water is a regular occurrence with flat roofing in general but one that will not affect the performance of the grp roofing surface.
The roof was not installed correctly.
Common problems caused by flat roof.
Preventing fibreglass roofing problems.
How to fibreglass a flat roof.
However when your flat roof has uneven areas due to sagging an insufficient slope or drainage issues the ponding water doesn t dissipate.
After any rainfall lands on a flat roof water will begin to pool.
However excessive ponding threatens your roof.
How to fix ponding on a flat roof depends on the cause of the ponding.
Grp roofing is an excellent flat roofing system.
The roof however would need lightly a abraiding and refinishing top coat layer.
By their very nature flat roofs do not completely drain after it rains.
Ponding on a fibreglass roof is not a problem if the fibreglasser has done his job properly this would only be a cosmetic issue and can be put right by using fillite and resin 50 50.
If however you really have concerns then you need to employ another roofer who deals ideally solely in fibreglass.
Grp roofs also known as glass reinforced polyester roofs fibreglass roofs or flat roofing is one of the most popular choices for a variety of reasons.
The fibreglass roof is at the end of its life span.
If you notice large pools of water or patches of a darker or lighter colour than the rest of your roof with a dirt stained ring you should.
The roof hasn t been properly maintained.