4 ft. x 250 ft. Synthetic Roofing Underlayment, Contractor Grade

This contractor-grade synthetic roofing underlayment from Everbilt provides a durable protective layer between shingles and the roof deck. A 4-layer construction with high-traction top surface and slip-resistant base delivers strength, walkability, and easy installation over wood decks.

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Key Features:

• 4-Layer Construction: Non-woven top, polypropylene lamination, woven scrim, and slip-resistant base for durability and tear resistance
• High UV Stability: Withstands up to 6 months of outdoor exposure
• Lightweight, Easy Handling: Ultra-light roll with no cardboard core simplifies install and cleanup
• Enhanced Safety: High-traction surface and anti-skid deck-side coating improve walkability
• Ample Coverage: 4 ft. x 250 ft. roll covers 1,000 sq. ft. (10 squares)

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Specifications Table:

Specification	Details
Dimensions	4 ft. x 250 ft. roll (1,000 sq. ft. coverage)
Material	Synthetic fiber (multi-layer with polypropylene lamination and woven scrim)
Underlayment Type	Synthetic Underlayment
Application Method	Nail
Color Family	Gray
Texture	Smooth, high-traction top surface
Surface Recommended	Wood
Squares per Roll	10
Coverage Area	1000 sq. ft.
Product Thickness	0.009 in
Product Width	48 in
Unrolled Length	250 ft.
Features	Corrosion resistant, mildew resistant, rust resistant, water resistant; slip-resistant base layer; high-traction top surface
Fire Rating (UL 790)	Class A
UV Stability	Up to 6 months of outdoor exposure
Manufacturer Warranty	Limited Lifetime

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Frequently Asked Questions (FAQ):

Q: What roofs is this underlayment intended for?
A: Designed for installation over wood roof decks beneath shingles as a protective barrier.

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Q: How is it fastened?
A: Install using nails at the designated fastening markings printed on the sheet.

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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 if needed.

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Q: What is the fire rating?
A: It carries a Class A fire rating (UL 790).

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Q: How much area does one roll cover?
A: One 4 ft. x 250 ft. roll covers approximately 1,000 sq. ft. (10 squares).

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A Sleek, Resilient Backbone for Your Roof

This Everbilt underlayment creates a clean, seamless foundation that instantly elevates a roofing project. I love the subtle gray surface with printed guides—both stylish and smart—making alignment effortless. Pair it with dimensional shingles for a crisp, modern profile that feels carefully curated from the deck up. It’s that quiet layer of luxury and performance every refined exterior deserves.

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Protect your home with contractor-grade performance—choose Everbilt Synthetic Roofing Underlayment for a stronger, safer, easier installation.

Installation