The GAF MajorSeal Liquid Flashing Kit is a liquid applied systems for jobs that require GAF model/MPN 4249 in the KIT sell unit. MajorSeal Liquid Flashing is designed to provide waterproofing protection for difficult flashing conditions when standard flashing accessories cannot be used.

Key Specs

• Brand: GAF
• Model / MPN: 4249
• SKU: GAFTCMAMK
• Sell unit: KIT
• Product type: Liquid Applied Systems
• Size / color: Kit With Fabric
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/Liquid Applied Systems

Key Features

• No special tools or mixing required
• Open pouches can be sealed for reuse reducing pot life concerns
• (less than 25 grams/liter at 240°F [116°C]), solvent free
• Non slumping - On vertical surfaces

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 liquid applied systems, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

GAF MajorSeal Liquid Flashing Kit, sold as KIT, with SKU GAFTCMAMK and manufacturer model/MPN 4249.

What model or part number should I match?

Match model/MPN 4249 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 KIT 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 GAF model/MPN 4249, SKU GAFTCMAMK, and the KIT sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.