The MaxFelt 15 Synthetic Underlayment White 48″ x 250′ is a synthetic underlayment for jobs that require MaxFelt model/MPN MF15 in the RL sell unit. MaxFelt 15 is a high-quality synthetic roofing underlayment that offers maximum traction to roofing crews, as well as proven protection against the elements.

Key Specs

• Brand: MaxFelt
• Model / MPN: MF15
• SKU: MAXF15
• Sell unit: RL
• Product type: Synthetic Underlayment
• Size / color: 48″ x 250′ New Construction
• 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

• Advanced, anti-skid backside coating
• Lays flat for easy application
• Impervious to mold growth
• Enhanced spunbond non-woven walking surface
• Fasten with plastic cap nails or staples
• Secondary weather protection layer meets or exceeds performance criteria for ASTM D226 types I & II

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?

MaxFelt 15 Synthetic Underlayment White 48″ x 250′, sold as RL, with SKU MAXF15 and manufacturer model/MPN MF15.

What model or part number should I match?

Match model/MPN MF15 and confirm the brand is MaxFelt. 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 MaxFelt model/MPN MF15, SKU MAXF15, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.