4 ft. x 250 ft. Synthetic Roofing Underlayment
Contractor-grade synthetic roofing underlayment delivering a durable 4-layer barrier between shingles and roof deck. Lightweight, nail-applied roll covers 1,000 sq. ft. with high-traction walkability and 6-month UV stability for flexible scheduling.
Key Features:
- Durable 4-Layer Construction: High-traction non-woven top, polypropylene lamination, woven scrim, and slip-resistant base for strength and safety
- High UV Stability: Withstands up to 6 months of outdoor exposure to fit project timelines
- Lightweight, Easy Install: Nail on marked fastening and overlap patterns; no cardboard core for cleaner jobsites
- Superior Strength vs. Felt: Up to 9x stronger than #15 felt and 7x stronger than #30 felt; resists tears, cracks, and moisture
- Ample Coverage: 48 in. x 250 ft. roll covers 1,000 sq. ft. (10 squares)
Specifications Table:
| Specification | Details |
| Dimensions | 4 ft. x 250 ft. (48 in. width; 250 ft. length) |
| Coverage Area | 1,000 sq ft (10 squares) per roll |
| Material | Synthetic fiber; multi-layer with polypropylene lamination, woven scrim, slip-resistant base |
| Color Family | Gray |
| Texture | Smooth; high-traction top surface |
| Application Method | Nail |
| Underlayment Type | Synthetic Underlayment |
| Roofing Product Type | Underlayment |
| Surface Recommended | Wood |
| Product Thickness | 0.009 in |
| Fire Rating (UL 790) | Class A |
| Features | Water Resistant, Mildew Resistant, Corrosion Resistant, Rust Resistant; Slip-resistant base; Anti-skid deck side coating |
| UV Stability | Up to 6 months exposure |
| Manufacturer Warranty | Limited Lifetime |
| Strength vs Felt | Up to 9x stronger than #15 felt; up to 7x stronger than #30 felt |
Frequently Asked Questions (FAQ):
Q: How is this underlayment installed?
A: Install with nails on the designated fastening and overlap markings; suitable over wood roof decks.
Q: Can it be left exposed to the sun?
A: Yes, it has high UV stability and can be exposed for up to 6 months before final roofing is installed.
Q: What is the roll coverage?
A: Each 4 ft. x 250 ft. roll covers 1,000 sq. ft. (10 squares).
Q: What is the material and color?
A: Synthetic fiber construction in gray with a smooth texture and high-traction surface.
Q: Is it fire rated?
A: Yes, it carries a UL 790 Class A fire rating.
A Sleek, Resilient Shield for Modern Rooflines
This streamlined underlayment creates a refined, uniform foundation that elevates the roofing silhouette before the first shingle is set. I adore the high-traction surfaceits quiet confidence underfoot speaks to thoughtful engineering. Pair it with charcoal architectural shingles and matte black accents to craft a cohesive, contemporary profile. Its the discreet luxury layer every polished exterior deserves.
Protect your roof with contractor-grade strengthadd this 10-square synthetic underlayment to your project today.
Installation
