Henry Fortifiber FortiFlash Butyl Flashing Membrane 6" x 75' 20 mil

The Henry Fortifiber FortiFlash Butyl Flashing Membrane 6" x 75' 20 mil is a butyl tape for jobs that require Fortifiber model/MPN FBUT6 in the RL sell unit. FortiFlash Butyl is made with advanced adhesive so it can be installed in temperatures as low as 25° F and can withstand extreme temperatures up to 250° F.

Key Specs

• Brand: Fortifiber
• Model / MPN: FBUT6
• SKU: HENFBUT6
• Sell unit: RL
• Product type: Butyl Tape
• Size / color: 6" x 75' 20 mil
• Category: Building Materials | Building Materials/Tapes & Adhesives | Building Materials/Tapes & Adhesives/Butyl Tape

Key Features

• Self-seals around nails and fasteners for lasting watertightness
• Can withstand extreme temperatures up to 250° F
• Split-back release for easy handling
• Compatible with standard sealants, EPDM, and flexible vinyl

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into 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 butyl tape, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Henry Fortifiber FortiFlash Butyl Flashing Membrane 6" x 75' 20 mil, sold as RL, with SKU HENFBUT6 and manufacturer model/MPN FBUT6.

What model or part number should I match?

Match model/MPN FBUT6 and confirm the brand is Fortifiber. 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?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

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 Fortifiber model/MPN FBUT6, SKU HENFBUT6, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.