#30 Asphalt Felt
Traditional #30 asphalt-saturated felt paper has been the industry standard for decades. Thicker and more durable than #15 felt, it provides reliable protection at an affordable price.
Key Features
Technical Specifications
Expert Analysis: Pros & Cons
Advantages
- Lowest cost option
- Vapor permeable - allows drying
- Easy to work with
- Widely available
Considerations
- Tears easily during installation
- Absorbs water when exposed
- Can wrinkle and buckle
- Short UV exposure limit
- Gets brittle in cold
Regional Performance Ratings
Can ice up and crack
Absorbs moisture in humidity
Can dry out and tear
Dries out and deteriorates
Absorbs too much moisture
Not recommended - use synthetic
Frequently Asked Questions About #30 Asphalt Felt
How long can #30 Asphalt Felt be exposed to UV before installing shingles?
#30 Asphalt Felt has a UV exposure rating of 90 days maximum. This means the underlayment can remain exposed to sunlight for up to 90 days maximum before shingles must be installed to maintain warranty coverage.
How much does #30 Asphalt Felt cost per square?
#30 Asphalt Felt typically costs between $4 and $6 per roofing square (100 square feet). Actual prices may vary based on location, supplier, and quantity purchased.
Is #30 Asphalt Felt breathable?
Yes, #30 Asphalt Felt is vapor permeable (breathable), allowing moisture to escape from the roof deck while preventing water infiltration from above.
What warranty does #30 Asphalt Felt offer?
#30 Asphalt Felt comes with a Typically none (material only). For full warranty terms and conditions, contact Premium directly or consult with your roofing contractor.
Quick Summary
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