Fiberglass Roofing Felt

When and how to overboard a flat roof.

Fiberglass roofing felt. Eliminates the need to slit bubbled felt which may be required when using conventional organic felt doing so can compromise. No 15 felt and no. Fiberglass reinforced so it lies flatter than typical felts reducing the telegraphing of wrinkles which can detract from the look of your new roof. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.

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. Reinforced with fiberglass to support flatter more uniform shingle applications. Can be applied over plywood wood plank and all other approved decks. Felt roof materials are also susceptible to weather damage from wind and rain since felt is quite delicate.

Roofing felt is comprised of a base made from natural materials such as wood cellulose or synthetic ones such as fiberglass or polyester and then coated or saturated with a protective coating such as bitumen asphalt which repels water but still allows the product to breathe. Fiberglas reinforced felt underlayment adds an extra layer of protection beneath the shingles helping prevent moisture from reaching the roof deck. Stronger than standard felt resists tearing when walked on during installation or in strong wind. It s created by saturating paper or fiberglass mat with asphalt.

To see information on over boarding of a felt roof see our fibreglass faq page. The popularity for both systems stems from different requirements however. Unlike standard felt resists curling or pulling away from fasteners when exposed to moisture or wind. You ll be faced with a choice.

Felt roofing underlayment is typically available in two types. Fiberglass shingles are a common shingle type across the country but that doesn t mean homeowners know much about them. Keep patching repairing and hoping for the best or replace the felt with a. 30 felt is typically thicker stronger and may be less prone to tearing or.

That s why we ve created a brief faq section to explore the pros and cons of fiberglass roofs and whether they re right for your house. Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Once there s a hole in the felt layer you can patch it but the wind will eventually find a way to make the hole bigger. Felt and grp fibreglass roofing systems are the most popular systems for flat roofs.

Felt is a cheaper material fibreglass is more expensive. They are also suitable for pitched roofs in some applications.