Fibreglass is much more durable than felt and stronger too. It has no seams, so it’s less likely to fail and let water in, and it’s relatively easy for a professional to repair if damaged. … A fibreglass roof will last for more than 20 years and it’s less likely than felt to develop a fault.
Are Fibreglass roofs any good?
Most fibreglass roofs are guaranteed for 25 years but can last much, much longer if well looked after. Fibreglass is the most expensive of the options due to material costs, and although it is not as flexible as rubber it is incredibly resistant to damage and repairs are very easy and almost un-noticeable.
What is the best material to put on a flat roof?
For many projects, PVC roofing is our preferred choice as the best flat roof material on the market. PVC roofing is somewhat more expensive than other single-ply commercial roofing materials, however it offers a wide range of benefits for the price.
Is a Fibreglass roof more expensive than felt?
Fibreglass roofing system has a downfall – it’s price. Compared to felt roofs, the cost of a fibreglass roof is much more expensive, however worth it – due to it’s quality and longevity.
Can you Fibreglass over felt roof?
The short answer is yes. Can fibreglass be applied over the top of old felt? Absolutely not. A flat, dry and solid surface, normally wood, typically 18mm thick is required for flat roofs.
Do Fibreglass roofs crack?
Fibreglass roofs tend to be extremely durable but, like any roof, over time it can become worn and brittle and this results in cracks and holes appearing.
What are the disadvantages of fiberglass?
Fibreglass last a long time, it can be coloured, shiny or dull. It is low maintenance, anti-magnetic, fire resistant, good electrical insulator and weatherproof. The disadvantages is that it needs to be re-gel coated about every five years and can result in airborne fibres which may be an issue to asthma sufferers.
What is the best roofing material for a low pitch roof?
Rubber roofs are a top choice for flat or low pitched roofing as it adheres to the roofing materials below it and, when installed correctly, provides a watertight seal to the elements. Choosing the best low slope roof materials often comes down to weighing the pros and cons based on your home and your needs.
What is the longest lasting flat roof?
PVC Single-Ply Membrane
The most popular flat roof material is a PVC membrane. … It is designed to last between 15 and 30 years, making it the longest-lasting flat roof material you will find. It should come as no surprise that many commercial roofing contractors will only install a flat roof if it is PVC.
Can a roof be too flat for shingles?
Can a roof be too flat for shingles? The direct answer to this question is yes. You should not shingle a flat roof. Different roofing materials require different slopes or pitches.
Can you walk on Fibreglass roof?
Yes, a Fibreglass Roof can be walked on. A roof with little to no foot traffic expected would suit 1 layer of 450g matting, a moderate level of foot traffic should use 1 layer of 600g matting and a balcony or a roof with regular foot traffic should use 2 layers of 450g matting. …
How long does a Fibreglass roof last?
Once applied correctly, a GRP Roof will last in excess of 20 years. Once cured fibreglass is inert and it will not rot or corrode. This means little maintenance is required on this type of roofing system. A GRP Roof can be used for both domestic and commercial applications.
Are Fibreglass roofs noisy?
Even though this is a normal thing within the lifespan of fibreglass roofs. The noise can be reduced by special expansion joints that can be added, when the roof is being installed.
How do you clean a Fibreglass roof?
You’ll want to make sure firstly that if you are doing the cleaning yourself that your fibreglass roof is safe and easy to access. Then using a long-handled mop and a bucket filled with warm soapy water, sweep the debris, leaves water, dirt etc away, lightly and gently.
Is it OK to leave Old felt on roof?
Yes it’s okay I suppose,but make sure all previous nails and staples are removed or pounded down to prevent tears when your rolling out the new felt. Usually the felt more ore less comes off as your stripping old shingles or cedar shakes.
Can you Fibreglass on top of Fibreglass?
Can I fibreglass over an old fibreglass roof. As long as its structurally sound yes, again sand with 60 grade aluminium oxide grit paper first, you may also want to clean with acetone and a cloth also.