Types of roofing underlayment


1. Asphalt-Saturated Felt: This is the most common roofing underlayment in use today. It is made of felt paper that has been saturated with asphalt and is available in both organic and inorganic versions.

2. Synthetic Underlayment: These are newer roofing underlayment products that are made from polypropylene, polyester, or fiberglass and are available in a range of weights and sizes. They have superior resistance to tearing and wrinkling compared to traditional felt underlayments.

3. Rubberized Asphalt Underlayment: This is a more expensive option that is designed to provide extra protection against water damage. It is made from modified asphalt and has a rubberized texture that helps it adhere to the roof surface.

4. Self-Adhering Underlayment: These products have a peel-and-stick adhesive backing, allowing them to easily stick to the roof surface without the need for nails or staples. These are particularly useful for flat or low-slope roofs.

5. Ice and Water Barrier Underlayment: This is a type of self-adhering underlayment that is specifically designed to prevent water from seeping into the roof at the eaves and in areas prone to ice damming. It is typically used in colder regions where snow and ice buildup is common.

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