GAF Shingle-Mate Roof Deck Protection
Regular price $126.00The GAF Shingle-Mate Roof Deck Protection is a hybrid underlayment for jobs that require GAF model/MPN 903000 in the RL sell unit. An extra layer of fiberglass reinforced protection between your shingles and your roof deck.
Key Specs
- Brand: GAF
- Model / MPN: 903000
- SKU: GAFSHM
- Sell unit: RL
- Product type: Hybrid Underlayment
- Size / color: 36" x 144'
- Category: Residential Roofing | Residential Roofing/Underlayment | Residential Roofing/Underlayment/Hybrid Underlayment | Underlayment | Underlayment/Hybrid Underlayment
- Coverage / unit: 4 squares (400 sq ft) per roll
Key Features
- Fiberglass reinforced, so it lies flatter than typical felts reducing the telegraphing of wrinkles, which can detract from the look of your new roof
- Can be applied over plywood, wood plank, and all other approved decks
- Eliminates the need to slit bubbled felt, which may be required when using conventional organic felt doing so can compromise the weather-resistant integrity of your roofing system
Coverage & How Much You Need
This item is listed as 4 squares (400 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 hybrid underlayment, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.
FAQs
What exactly am I ordering?
GAF Shingle-Mate Roof Deck Protection, sold as RL, with SKU GAFSHM and manufacturer model/MPN 903000.
What model or part number should I match?
Match model/MPN 903000 and confirm the brand is GAF. 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 4 squares (400 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 GAF model/MPN 903000, SKU GAFSHM, 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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