The GAF VersaShield Fire‑Resistant Roof Deck Protection Black 42" x 100' is a bur & mb systems for jobs that require GAF model/MPN 904000 in the RL sell unit. In some jurisdictions, roof assemblies are required to be fire resistant.

Key Specs

• Brand: GAF
• Model / MPN: 904000
• SKU: GAFVSU
• Sell unit: RL
• Product type: BUR & MB Systems
• Size / color: 42" x 100'
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems
• Coverage / unit: 3.5 squares (350 sq ft) per roll

Key Features

• Maximum Protection: Against fire spread and penetration
• Fiberglass reinforced, so it lies flatter than typical asphalt felts for a better-looking finished roof
• Combines a fire-resistant slip sheet AND roof deck protection all in one roll
• Convenient: Will upgrade the UL fire classification of almost any type of roof.3

Coverage & How Much You Need

This item is listed as 3.5 squares (350 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 bur & mb systems, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

GAF VersaShield Fire‑Resistant Roof Deck Protection Black 42" x 100', sold as RL, with SKU GAFVSU and manufacturer model/MPN 904000.

What model or part number should I match?

Match model/MPN 904000 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 3.5 squares (350 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 904000, SKU GAFVSU, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.