
Owens Corning RhinoRoof U20 Synthetic Underlayment 42" x 286'
Regular price $101.00The Owens Corning RhinoRoof U20 Synthetic Underlayment 42" x 286' is a synthetic underlayment for jobs that require Owens Corning model/MPN 921826 in the RL sell unit. RhinoRoof U20 Underlayment helps seal your home against water damage and other moisture infiltration which can cause mold growth and rotting deck boards.
Key Specs
- Brand: Owens Corning
- Model / MPN: 921826
- SKU: INTFTR
- Sell unit: RL
- Product type: Synthetic Underlayment
- Size / color: 42" x 286'
- Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Synthetic Underlayment | Underlayment | Underlayment/Synthetic Underlayment
- Coverage / unit: 10 squares (1000 sq ft) per roll
Key Features
- Ease of installation – Wider, lighter, more coverage per roll
- Lays flat and does not wrinkle or absorb water
- Provides roof deck protection from UV exposure for up to 90 days
- FiberGrip slip-resistant walking surface
- Excellent Deck Adhesion: Proprietary back coating holds tight to the deck, plus our trusted fiber grip topside for security in every step
- Stronger Formulation: Improved tear resistance for even better protection against inclement weather and foot traffic. Up to 2x stronger than competitive underlayments.
Coverage & How Much You Need
This item is listed as 10 squares (1000 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 synthetic underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.
FAQs
What exactly am I ordering?
Owens Corning RhinoRoof U20 Synthetic Underlayment 42" x 286', sold as RL, with SKU INTFTR and manufacturer model/MPN 921826.
What model or part number should I match?
Match model/MPN 921826 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 10 squares (1000 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 921826, SKU INTFTR, 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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