The Karnak 13 Plastic Cement Black 5 gal is a multisystem accessories for jobs that require Karnak model/MPN 13-5 in the 5G sell unit. 13 plastic cement is a scientifically compounded composition of selected asphalts, mineral fillers and refined solvents that are manufactured to a heavy consistency for application by trowel to provide a durable, elastic-coating of excellent adhesion and high resistance to water and weathering.

Key Specs

• Brand: Karnak
• Model / MPN: 13-5
• SKU: KAR135
• Sell unit: 5G
• Product type: Multisystem Accessories
• Size / color: 5 gal
• Category: Commercial Roofing | Commercial Roofing/Commercial Roofing Accessories | Commercial Roofing/Commercial Roofing Accessories/Multisystem Accessories
• Coverage / unit: 5 gal per listed unit

Key Features

• Will not shrink or crack
• Smooth, easy to apply rubber like trowel consistency
• Excellent adhesion

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 13 Plastic Cement Black 5 gal, sold as 5G, with SKU KAR135 and manufacturer model/MPN 13-5.

What model or part number should I match?

Match model/MPN 13-5 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.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when Karnak model/MPN 13-5, SKU KAR135, and the 5G sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.