Membrane single ply roofing.
Pros and cons of synthetic roofing felt.
The price of felt varies and mostly depends on the amount of asphalt in it.
But what some may not know is there s another layer of protection directly on top of the roof deck and under the roof covering that performs a critical role in protecting your home from moisture damage.
Roofing felt offers an additional layer.
Synthetic underlayment is a newer innovation that is taking over the metal roofing industry as a better more advanced replacement for felt underlayment.
Synthetic underlay is made from a variety of materials including polypropylene fiberglass polyethylene and polyester.
The more the asphalt content in the underlayment the more durable and costly it will be.
For decades roofers have fitted a layer of felt over a roof s sheathing or roof deck before installing shingles.
Pros and cons of synthetic felt.
Contains fiberglass which increases its durability and strength.
The most common type used for residential flat roofing is epdm ethylene propylene diene monomer a synthetic rubber sheet material that is also commonly used as a pond liner.
Synthetic underlayment is a roofing accessory created by weaving spinning together polypropylene or polyethylene and a polymer to form an all over protective barrier to put between the roofing material and the roof deck.
Most importantly synthetic felts prove to be much lighter than organic felt underlay.
Good for low slope roofs as water will slide away easily.