Subsitute For Roof Felt

Felt otherwise known as underpayment is required when.

Subsitute for roof felt.

By weaving together polypropylene and polymer a water resistant and vapor resistant underlayment was created. The first glass fibre layer fitted loose this for the purpose of any building movement ensuring the felt does not split. A variety of different types of manufacturers have developed proprietary polymer blends that make up synthetic underlayment. Felt is just fabric.

Have torn off a lot of roofs that didn t have any and the wood was ok underneath. Check craigslist materials for odds and ends of jobs and you might just find some roofing felt or ice shield. The second glass fibre layer fully bonded with hot bitumen and the third layer also fully bonded being a high performance non rip material. 15 pound roofing felt costs around 20 for just over 420 square feet.

Stone coated metal roofing or stone coated steel roofing has a deep architectural profile and can mimic the look of asphalt shingles wood shakes or clay tiles this premium roofing material comes with warranties up to 50 years and is rated highly for resistance to winds hail and fire. Synthetic underlayment was developed as a felt replacement. 3 points 2 years ago. After stripping the original siding from a 30 year old house i m being asked to re side with 4x8 and 4x9 fiber cement panels designed to look like stucco.

3 points 2 years ago. The two main types are roofing felt 15 and 30. Substituting synthetic roof underlayments for housewrap. Assuming this is a toy use any fabric strong enough to stand a bit of ill treatment from a child.

I would just roof it without any. Roofing felt is a layer of tar paper installed beneath the shingles to provide a backup waterproof membrane in case of leakage. 30 pound roofing felt costs more but also offers more protection. The felt will help protect the plywood from moisture and rot.

The numbers refer to the actual weight of the felt. You could just put shingles over plywood but you run the risk of replacing your roof and any damage to the structure that may accur. One of the fastest growing trends in the roofing industry is the use of a synthetic roof underlayment under a number of different roofing systems. Pramote polyamate getty images.

In my expert opinion the three layer felt roofing system is the better option. Felt is typically 3 feet wide so that means a roll is approximately 144 feet long. This new underlayment is lighter and stronger than its predecessor.