Best Felt Paper for Roofing: Top Synthetic Options and Fastening Essentials
The right felt paper protects roofs from water intrusion while providing a stable base for shingles. This guide highlights the best synthetic and reinforced felt options, plus reliable fastening nails that work with standard roofing setups. You’ll learn what makes a roll strong, weather resistant, and easy to install, along with practical buying tips for American homes. The selections below emphasize durability, UV resistance, and broad compatibility with various roof styles.
| Product | Brand | Key Feature |
|---|---|---|
| INTERWRAP Roofing Felt Repl | INTERWRAP | 12x stronger than #30 felt; wide and lighter for easy laps |
| Atlas Roofing Summit 60 Synthetic Felt | Atlas | Lays flatter; 60-day UV exposure; water resistant |
| OMOTOOL Roofing Felt Nails Kit | OMOTOOL | 200 steel nails with sharp points for multiple materials |
| One Stop Outdoor 1/2″ Roofing Nails | One Stop Outdoor | Pro-grade galvanized nails; easy penetration |
| One Stop Outdoor 1″ Plastic Cap Nails | One Stop Outdoor | Plastic caps resist water entry; versatile fastening |
Note: This table reflects a concise snapshot of each option’s strengths for roofing felt underlayment and related fasteners. The following sections provide detailed, objective information to help homeowners and contractors compare against common roofing scenarios.
INTERWRAP Roofing Felt Repl 42in x 286ft
INTERWRAP’s synthetic roofing felt is positioned as a replacement for traditional #15 or #30 oil-saturated products. It is designed for steep-slope roofing under asphalt shingles, synthetic shingles, residential metal, and cedar shakes. The roll is reportedly 12 times stronger than #30 felt, with a wider width that offers more coverage per lap. It meets ASTM D226 Types I & II and D4689 Types II & IV, and it provides enhanced UV protection. The synthetic construction resists mold, lays flat, and does not absorb water or wrinkle, delivering easier installation and increased durability.
Atlas Summit 60 Synthetic Felt
Atlas Summit 60 is a synthetic roofing felt option designed to accommodate various roof styles. The product is noted for laying flatter with fewer air pockets than traditional felt, contributing to a smoother underlayment. It offers a UV exposure window of up to 60 days and provides water resistance. This combination supports faster installation and reliable performance in a range of climate conditions, making it a practical upgrade for contemporary roofing projects.
OMOTOOL Steel Roofing Felt Nails (200pcs)
OMOTOOL provides a 200-piece steel roofing felt nails kit intended for fastening roofing felt across wood, sheds, pavilions, cabins, and similar structures. The nails use carbon steel with a sharp tip to ensure straight driving and solid hold. Their length and head size are chosen to balance holding power with ease of hammering. Suitable for multiple substrate materials, these nails support durable, stable underlayment attachments across a range of projects.
100 Pack 1/2 Inch Steel Roofing Nails
These pro-grade galvanized roofing nails come in a 100-pack with half-inch length. They’re designed for fastening roofing felt, asphalt shingles, and insulation boards. The diamond-point tip is intended to ease penetration, helping reduce driver fatigue and ensure a steady, secure embedment in wood or similar substrates. Galvanized coating provides corrosion resistance suitable for various climates.
250 Pack Round Plastic Cap Nails
The 250-pack round plastic cap nails feature plastic caps designed to seal around the head, reducing water intrusion beneath the cap. The nails are corrosion-resistant due to electro-galvanization and are versatile for securing roofing felt, house wrap, foam board, or insulation film. This kit emphasizes a user-friendly approach to fastening, offering a reliable solution for smaller or DIY roofing projects.
500 Pack Round Plastic Cap Nails
A bulk option, the 500-pack round plastic cap nails extends the same advantages as the 250-count variant, with even greater quantity for larger projects. They maintain corrosion resistance and the integrated cap design to help guard against water ingress at the nail head, supporting efficient installation across extended roofing areas.
Swpeet 400 Pcs Galvanized Roofing Felt Nails Kit
The Swpeet assortment includes 400 galvanized roofing felt nails in three sizes (3/4″, 1″, and 1-1/4″). This kit emphasizes corrosion resistance, hard, sharp points for easy driving, and a large shank for holding power. It targets versatile use, including fastenings for felt, slate boards, asphalt shingles, and other roofing assemblies, making it a practical all-in-one fastening solution for DIYers and professionals alike.
Buying Guide: Key Purchase Considerations
Choosing the best felt paper and fastening hardware depends on roof type, climate, and installation preferences. Consider the following perspectives to make an informed decision:
- Material and UV exposure: Synthetic felts often offer improved durability and UV resistance compared with traditional oil-saturated felts. Look for products with explicit UV exposure ratings and mold resistance.
- Slope compatibility: Steep-slope roofing may benefit from wider, lighter rolls that reduce labor and laps required, while flat or low-slope roofs may prioritize seal integrity and UV protection.
- Weather resistance and mold prevention: Mold resistance and water-imperviousness help extend underlayment life in humid or rainy climates. Verify claimed moisture behavior under typical sun exposure.
- Installability: Wider widths and better lay-flat properties reduce wrinkling and wrinkles. Nail and cap systems should minimize water entry around fasteners for long-term performance.
- Fastening options: Evaluate the availability of galvanized nails, steel nails, and plastic-cap nails. Consider project scale, substrate material, and local corrosion considerations when selecting fasteners.
- Cost vs. durability: While synthetic felts may carry a higher upfront cost, they often deliver longer service life and easier handling, which can reduce labor costs over time.
- Compatibility with shingles: Ensure underlayment compatibility with your chosen shingles (asphalt, synthetic, metal, or cedar) to avoid chemical interactions and to meet code requirements.
- Warranty and standards: Look for products that meet ASTM standards and offer clear warranty terms. This helps ensure performance across years of exposure and weather events.
These considerations help balance performance, installation ease, and long-term durability. When selecting fasteners, align their size, material, and head type with the underlayment and roof deck material to maximize holding power and corrosion resistance.