Fibreglass Or Felt Flat Roof

Felt is a cheaper material fibreglass is more expensive.

Fibreglass or felt flat roof.

Traditionally the only type of flat roofing has been felt which is notoriously susceptible to cracking and leaking the main reason for this is the fact that. While these options were hard wearing and attractive they didn t always perform as well as expected. In short any roof covering that can make a flat roof waterproof in one layer unlike roofing felt with its 3 layer system for instance. When and how to overboard a flat roof.

Fibreglass flat roofing is a practical and reliable solution that addresses the age old problem of ensuring your flat roof remains leak free. When planning a new flat roof one of the key decisions you ll make is which material to use. Grp fibreglass is a new roofing system with many benefits over traditional felt roofing. They lasted a long time and were attractive to the eye but their performance was questionable.

As a result a felt roof would typically only last 5 years or less. Flat roofs for instance contained both felt and lead. The popularity for both systems stems from different requirements however. Other practical features of fibreglass flat roofs include there being no joints or seams on the main part of the roof.

They are also suitable for pitched roofs in some applications. With the felt roof or other roof covering removed inspect the wood underneath if it s sterling board tongue and groove or plywood and it s 18mm or above and in a good rot free firm condition you can overboard it. Generally felt underlay roof works by combining two or three layers of material together to make an impenetrable barrier that is then coated with a waterproof finishing material to further protect the felt. Traditionally flat roof materials included felt and lead.

Felt flat roofs. Felt and grp fibreglass roofing systems are the most popular systems for flat roofs. This can include epdm rubber and fibreglass talked about above but commonly especially in the trade and in this article it refers to pvc tpo tpe and pib. The problems associated with felt flat roofing.

There were other alternatives at the time but recently fibreglass has become one of the more popular options for roofing. Felt vs grp fibreglass for flat roofs flat roofing is popular throughout surrey kent and surrounding areas being ideal for property structures such as extensions porches garages and dormers. To see information on over boarding of a felt roof see our fibreglass faq page.