Felt roofing underlayment is typically available in two types.
Roofing felt 15 years.
An improved version of the shed felt uses a base of polyester fibres impregnated with bitumen is more durable and lasts for up to 15 years.
The main advantage of using felt roofing underlayment is cost.
For many years roofers used asphalt saturated felt under roofing shingles and it was historically available in two standard weights.
Roofing felt can however be applied as a final layer to a shed roof to offer further waterproofness.
No 15 felt and no.
The heavier duty felt costs about 5 m2 against 3 m2 for the cheap felt.
The longer lasting felt is then available as a very sensible upgrade.
The 15 pound was for lighter weight projects while the 30 offered more heavy duty protection.
The best weight for roofing felt is the 30 pound product because it provides thicker and.
15 pounds per hundred square feet and 30 pounds per hundred square feet.
Waterproofing and protecting your shed roof from the elements while elongating its lifespan.
30 felt is typically thicker stronger and may be less prone to tearing or ripping off during installation or weather events.
Polyester base shed.
6 degrees rough cost m 2.
Roofing felt is most commonly used for the waterproofing of non habitable garden buildings such as cabins or sheds.
This felt is quick and easy to install.
This traditional style roofing felt looks great in any garden.
It is typically used as an underlay that sits between the surface it is being applied to and the final layer of roofing material.