Karnak 66 Modified Bitumen Adhesive 5 gal Brush Grade

The Karnak 66 Modified Bitumen Adhesive 5 gal Brush Grade is a multisystem accessories for jobs that require Karnak model/MPN 66-5-BG in the 5G sell unit. Karnak 66 modified bitumen adhesive is a bituminous based adhesive sealant designed for the application and repair of SBS modified bitumen single ply membranes and bituminous single ply membranes.

Key Specs

• Brand: Karnak
• Model / MPN: 66-5-BG
• SKU: KAR665
• Sell unit: 5G
• Product type: Multisystem Accessories
• Size / color: 5 gal Brush Grade
• Category: Commercial Roofing | Commercial Roofing/Commercial Roofing Accessories | Commercial Roofing/Commercial Roofing Accessories/Multisystem Accessories
• Coverage / unit: 5 gal per listed unit

Key Features

• Easy to apply
• Eliminates the need for torches and kettles
• Excellent cure

Coverage & How Much You Need

This item is listed as 5 gal per listed unit. 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 multisystem accessories, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

Karnak 66 Modified Bitumen Adhesive 5 gal Brush Grade, sold as 5G, with SKU KAR665 and manufacturer model/MPN 66-5-BG.

What model or part number should I match?

Match model/MPN 66-5-BG and confirm the brand is Karnak. 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 5G sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 5 gal per listed unit, 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 Karnak model/MPN 66-5-BG, SKU KAR665, and the 5G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.