Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Owens Corning WeatherLock Mat 36-in x 66.7-ft (200-sq ft) Polypropylene Roof UnderlaymentWeatherLock Mat Polypropylene Roof Underlayment, 200 sq ft Lightweight, self sealing roof underlayment designed to add a waterproof layer beneath shingles. The WeatherLock Mat roll covers 200 sq ft and features SureStep technology for improved traction and easier installation. Key Features: Waterproof Protection: Acts as a secondary barrier under shingles to help prevent leaks from wind driven rain and ice dams SureStep Traction: Mat faced design
WeatherLock Mat Polypropylene Roof Underlayment, 200-sq ft
Lightweight, self-sealing roof underlayment designed to add a waterproof layer beneath shingles. The WeatherLock Mat roll covers 200 sq ft and features SureStep technology for improved traction and easier installation.
Key Features:
- Waterproof Protection: Acts as a secondary barrier under shingles to help prevent leaks from wind-driven rain and ice dams
- SureStep Traction: Mat-faced design provides consistent surface grip to reduce slipping, sticking, and scuffing
- Lightweight Handling: Up to 40% lighter than standard mat-faced products for easier loading, carrying, and installation
- Versatile Application: Suitable for full deck coverage and vulnerable areas like eaves, rakes, valleys, vents, chimneys, and skylights
- Self-Adhesive Convenience: Adheres to deck to create a watertight seal around nails and speeds installation
Specifications Table:
| Specification | Details |
|---|---|
| Series Name | WeatherLock Mat |
| Coverage Area | 200 sq ft |
| Length | 66.7 ft |
| Width | 36 in |
| Application Method | Roll on |
| Material | Polypropylene |
| For Use with Asphalt Shingles | Yes |
| For Use with Flat Roofing | Yes |
| For Use with Metal Roofing | No |
| For Use with Wood Shakes | No (web spec), marketing images show engineered for wood shake |
| CA Residents: Prop 65 Warning(s) | Yes |
| Warranty | None |
| UNSPSC | 30151500 |
| Feature | Self-adhesive, self-sealing waterproofing barrier |
| Weight (lbs.) | 61.5 |
Frequently Asked Questions (FAQ):
Q: What roof types is this underlayment compatible with?
A: It’s engineered for asphalt shingles, wood shakes, and quarry slate roof assemblies; not recommended for metal roofing.
Q: How much area does one roll cover?
A: Each roll measures 36 inches by 66.7 feet and covers 200 square feet.
Q: Is the surface safe to walk on during installation?
A: Yes. The SureStep mat-faced design provides excellent traction to help reduce slipping and scuffing.
Q: Does it require special tools to install?
A: No special tools are required; it is a roll-on, self-adhesive underlayment designed for straightforward application.
Q: Is there a manufacturer warranty?
A: No warranty is listed for this product.
Sleek, Secure Roofing Foundation
WeatherLock Mat brings a refined, matte texture that quietly elevates the craft beneath your shingles. Its standout SureStep surface offers confident footing as you sculpt clean roof lines. Use it to trace elegant edges around eaves and valleys for a tailored finish. This is the discreet luxury that ensures beauty endures—protection with poise.
Secure your roof with WeatherLock Mat—lightweight, grippy, and built to keep water out—order your 200-sq ft roll today.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy