Owens Corning WeatherLock G Granulated Self-Sealing Water Barrier
Regular price $154.50The Owens Corning WeatherLock G Granulated Self-Sealing Water Barrier is a ice & water underlayment for jobs that require Owens Corning model/MPN 913500 in the RL sell unit. WeatherLock G Granulated Self-Sealing Ice & Water Barrier allows for proper flow of water off the roof and helps prevent damage caused by water migration.
Key Specs
- Brand: Owens Corning
- Model / MPN: 913500
- SKU: OCFWLG2
- Sell unit: RL
- Product type: Ice & Water Underlayment
- Size / color: 36" x 66' 5"
- Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Ice & Water Underlayment | Underlayment | Underlayment/Ice & Water Underlayment
- Coverage / unit: 2 squares (200 sq ft) per roll
Key Features
- Added protection – Acts as a waterproof barrier in the most vulnerable sections of the roof, such as valleys and around roof penetrations, to create a second line of defense. For optimal protection, apply to entire roof deck on 2:12 to 4:12 pitch roofs.
- Excellent tear resistance – Resists cracking and breaking during installation
- Self-adhesive – Adheres to the roof deck and creates a watertight seal around nails to help prevent water migration. Split backer sheet for easy application and positioning on the roof deck.
Coverage & How Much You Need
This item is listed as 2 squares (200 sq ft) per roll. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the order quantity.
Compatibility / Fitment
Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different ice & water underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.
FAQs
What exactly am I ordering?
Owens Corning WeatherLock G Granulated Self-Sealing Water Barrier, sold as RL, with SKU OCFWLG2 and manufacturer model/MPN 913500.
What model or part number should I match?
Match model/MPN 913500 and confirm the brand is Owens Corning. If the job spec lists a different model, size, color, or system family, hold for review.
What unit is the price based on?
This listing is built around the RL sell unit. Confirm the unit before comparing price, quantity, or coverage.
How do I estimate quantity?
Use 2 squares (200 sq ft) per roll, then add waste or overlap per the manufacturer instructions and the project design.
What should be checked before purchase?
Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.
Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.
Product Expert Notes
Choose this item when Owens Corning model/MPN 913500, SKU OCFWLG2, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.
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