Choosing the right roofing felt is essential for weatherproofing and long-term durability. This guide highlights five well-regarded felt products from trusted brands, covering synthetic and traditional felt options, along with practical accessories to simplify installation and improve protection. Each entry includes a quick snapshot of features to help you compare at a glance.
| Product | Brand | Key Features |
|---|---|---|
| INTERWRAP Roofing Felt Repl 42inx286ft | INTERWRAP | Replacement for #15/#30, stronger than standard felt; wide, light, UV protected; meets ASTM D226/D4689; synthetic, mold-resistant |
| American Saturated Felt Non Rated Felt #15 | American Saturated Felt | ASTM D4869 compliant; asphalt-based; color black |
| The Felt Store F-15 Industrial Felt | The Felt Store | High wool content, 0.17-0.20 g/cm³; 72″ x 3′ x 1/8″; excellent cushioning and thermal/sound dampening |
| The Felt Store F-1 Industrial Felt | The Felt Store | High density, min 95% wool; 60″ x 3′ x 1/8″; durable for automotive and construction uses |
| Self-Adhesive Sheds Roofing Felt | SQQEZ | Self-adhesive underlayment; waterproofing, repair tape; versatile and quick to install |
The following sections dive into each product with practical details to help you decide which option fits your project, climate, and installation preferences.
INTERWRAP Roofing Felt Repl 42inx286ft
INTERWRAP roofing felt is designed as a robust alternative to traditional #15 or #30 felt. This synthetic underlayment is crafted for steep-slope roofing and blends compatibility with asphalt shingles, synthetic shingles, residential metal, and cedar shakes. The product is marketed as 12 times stronger than #30 felt, with wider, lighter material that provides more coverage per lap and easier installation. It aims to resist mold and water absorption, with enhanced UV protection, making it suitable for longer-term protection against weather elements. Specifications note a 42 inch width and 286 feet length per roll, with synthetic construction that helps reduce wrinkling and water uptake compared with conventional felt.
American Saturated Felt Non Rated Felt #15
This non-rated asphalt felt is a traditional option for roofing underlayment. It meets ASTM D4869 standards and provides a cost-effective solution for standard roofing projects. The product is characterized by its classic black appearance and asphalt-based composition, suitable for typical residential roofing duties where standard weatherproofing is sufficient. While not as heat- or moisture-resistant as some synthetic felts, it remains a widely used material for straightforward roofs and installations where budget is a primary concern.
The Felt Store F-15 Industrial Felt
The F-15 Industrial Felt from The Felt Store is a high-quality option with notable wool content, providing a cushioned, thermally efficient, and sound-dampening profile. Its specifications highlight a density of 0.17-0.20 g/cm³ and a composition containing approximately 55% wool. The material is undyed and natural, which may yield color variation between lots. This felt is designed for versatility across automotive, equipment, and construction scenarios, with practical cutting guidance for sub-1/4″ thickness for ease of fabrication. It offers advantages in cushioning and insulation that can benefit certain roofing projects where vibration and noise reduction are valued in the overall build.
The Felt Store F-1 Industrial Felt
The F-1 Industrial Felt is a high-density option, offering superior durability with a 0.32-0.36 g/cm³ density range and a fiber composition of at least 95% wool. This felt is described as firm and inflexible, with strong abrasion resistance and good oil absorption characteristics. The natural, undyed finish may present color variation across batches. The F-1 is positioned for heavy-duty automotive and machinery components, but its durability can be advantageous in demanding roofing or construction settings where long-term wear resistance is critical. Applications span multiple industries, underscoring its versatility as a high-performance felt.
Self-Adhesive Sheds Roofing Felt (SQQEZ)
The SQQEZ self-adhesive roofing felt serves as a versatile waterproofing membrane with quick-install capabilities. It doubles as a roof crack repair and leak prevention solution, with an emphasis on adhesion, heat resistance, cold tolerance, and water resistance. The success of self-adhesive membranes often hinges on surface compatibility and proper sealing, but the product is marketed as easily cut to fit irregular areas. Its multi-purpose use extends to water protection on roofs, metal surfaces, gutters, balconies, and interior projects, making it a practical choice for quick fixes and maintenance tasks where a seal is needed without complicated installation.
Buying Guide: Key Purchase Considerations
- Roof type and slope: Synthetic felts and reinforced membranes perform better on steep slopes, while traditional felts may suffice on flatter roofs.
- Moisture and climate exposure: Regions with heavy rainfall or humidity benefit from mold-resistant and UV-protected materials; consider self-adhesive membranes for quick repairs in exposed areas.
- Durability and tear resistance: Rolls marketed as stronger or with higher density/wool content typically offer improved longevity under wind-driven rain and thermal cycling.
- Installation method: Self-adhesive products simplify installation but require clean contact surfaces; traditional felts rely on nails or fasteners and better alignment.
- Material compatibility: Asphalt-based felts pair with asphalt shingles; synthetic underlayments may provide broader compatibility with metal, slate, or cedar shingles.
- Weight and handling: Heavier felts may offer durability but require more labor; wider rolls can speed installation and reduce laps.
- Warranty and standards: Look for ASTM compliance and product warranties that reflect expected life under your climate conditions.
- Accessory needs: Consider nails, caps, and underlayment taping products to ensure a cohesive and watertight installation alongside the chosen felt.
When selecting roofing felt, balance cost, durability, and ease of installation. For projects prioritizing longevity and mold resistance, synthetic or wool-rich industrial felts may offer advantages. For budget-conscious projects or simple repairs, traditional asphalt felts remain viable. Self-adhesive options provide copious convenience for amateurs and professionals alike, particularly in tight or awkward spaces. Always follow manufacturer installation instructions to maximize performance and protection against weathering.