Owens Corning DeckDefense Synthetic Underlayment 48" x 250'
Regular price $310.00The Owens Corning DeckDefense Synthetic Underlayment 48" x 250' is a synthetic underlayment for jobs that require Owens Corning model/MPN 813688 in the RL sell unit. Superior walkability, wet or dry—that’s what DeckDefense high-performance synthetic underlayment delivers.
Key Specs
- Brand: Owens Corning
- Model / MPN: 813688
- SKU: OCFDDU48250
- Sell unit: RL
- Product type: Synthetic Underlayment
- Size / color: 48" x 250'
- 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
- Enhanced fusion back coating grips the deck and stays put
- Dew or rain don’t slow down the job
- A critical part of the Owens Corning Total Protection Roofing System
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 DeckDefense Synthetic Underlayment 48" x 250', sold as RL, with SKU OCFDDU48250 and manufacturer model/MPN 813688.
What model or part number should I match?
Match model/MPN 813688 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 813688, SKU OCFDDU48250, 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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