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KARNAK Reflective Coatings, Sealants and Cements

KARNAK manufactures and supplies reflective coatings, cement, and sealants for roofing and waterproofing. It provides roofing products, damp-proofing and waterproofing products, fabrics and repair tapes, caulks, sealant and flooring products, and elastomeric products. The company serves architects, specifiers, contractors, distributors and building owners in the United States, the Caribbean, Latin America, the Middle East, Europe and Asia. It markets and sells its products through sales representatives in the United States and internationally. The company was founded in 1932 and is based in Clark, New Jersey. 

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KARNA-SEAL 671

When repair and maintenance are needed on an existing silicone coated roof, 671 Karna-Seal is the product of choice!

671 Karna-Seal is a single-component, moisture curing, 100% silicone roof sealant that offers excellent UV resistance, flexibility, and tensile strength that resists weathering, hardening, chalking, and cracking.

Learn more.

 


Q Applicator Program

The Karnak Qualified Applicator program is a select membership program that provides training for you and your business associates on the latest KARNAK repair and restoration solutions. The preferred relationship between you and Karnak, comes with a variety of complimentary benefits improving your application quality, productivity and profitability, while saving money for your clients.

Apply to become a Q-qualified applicator.

Find a Karnak Q-qualified applicator near you.


Meet the Supplier!

Karnak is coming to a tradeshow near you! Come see all of our products including demos at any one of our upcoming events. We hope to see you there.

Florida Roofing & Sheet Metal Expo
5/5/24 - 5/7/24 Booth 1501

Western Roofing Expo
9/29/24 - 10/1/24 Booth 627

Midwest Roofing Contractors Association
10/21/24 - 10/23/24


502MS Karna-Flex Sealant

502MS Karna-Flex is an elastomeric, thermoplastic-rubber sealant formulated for use on built-up asphalt roofs, modified bitumen membranes and properly prepared metal, concrete, EPDM, TPO, and most PVC membrane as well as spray polyurethane foam and plywood roof substrates. Its ease of application, superior adhesion, elasticity and durability make 502MS Karna-Flex an ideal repair sealant.

  • One component—no need to intermix with other materials
  • Easy application by brush or caulking gun
  • Superior film—forms a durable, weather resistant elastomeric membrane
  • Has superior adhesive and cohesive strength
  • Low temperature flexibility—specially selected polymers and resins impart superior low temperature properties to the coating
  • Adheres to wet or dry surfaces

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Before and After KARNAK


Latest Podcasts

CoatingsCast-Karnak-McDermott-1400x1400

John McDermott - Build Manufacturer Relationships for Success

S1:E5 In this episode of CoatingsCast, Karen Edwards is joined by John McDermott from KARNAK to talk about how contractors can satisfy their business needs by building relationships with manufacturers. John describes how contractors’ business needs may vary based on the size of their business, the type of work they do ...
Listen to the Podcast

CoatingsCast-Karnak-McDermott-1400x1400

John McDermott - Build Manufacturer Relationships for Success

S1:E5 In this episode of CoatingsCast, Karen Edwards is joined by John McDermott from KARNAK to talk about how contractors can satisfy their business needs by building relationships with manufacturers. John describes how contractors’ business needs may vary based on the size of their business, the type of work they do ...
Listen to the Podcast

Karnak-CoatingsTalk-Restoration-Listen-Podcast

Roof Longevity Through Restoration

In this CoatingsTalk, Heidi J. Ellsworth and Chris Huettig of KARNAK are together to dive deep into roof restoration. Chris and Heidi talk about how restoring and maintaining roofs can be a boon for your business, your customers and the whole planet! Chris describes the lifecycle of different roofs and ...
Listen to the Podcast


Read Listen Watch - Educational Content

Karnak-CoatingsTalk-Restoration-Watch-SM

Roof Longevity Through Restoration

In this CoatingsTalk, Heidi J. Ellsworth and Chris Huettig of KARNAK are together to dive deep into roof restoration. Chris and Heidi talk about how restoring and maintaining roofs can be a boon for your business, your customers and the whole planet! Chris describes the lifecycle of different roofs and ...
View Content


Buy Online

KARNAK 720 EPDM Rubber Granules

720 EPDM Rubber Granules, yellow in color are used to create slip-resistant walkways and surfaces when installed in combination with elastomeric roof coatings. Categories: Accessories/Misc Available Sizes 55 lb. kraft bags Advantages: Yellow-colored EPDM rubber used to create slip-resistant walkways and surfaces when installed in combination with elastomeric roof coatings Will not puncture membrane, while ...
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KARNAK 31 Fiberglass Membrane

31 Fiberglass Membrane is a waterproofing fabric woven entirely of fiberglass yarn. It is ideal for use with cold application cements and coatings, and being of high flexibility, conforms to all contours and bends as required in general roofing and waterproofing maintenance. Categories: Fabrics and Tapes Available Sizes: 36” X 150’ 6 ...
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321 K-NRG Seal VP

321 K-NRG Seal™ VP is a liquid applied, elastomeric membrane designed to provide a vapor permeable air & water barrier when applied to above-grade wall assemblies. This product is a single-component, water-based acrylic coating that cures to a tough monolithic rubber-like membrane with expansion and contraction properties, which resists air ...
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Latest Videos

KARNAK Reflective Coatings, Sealants and Cements

KARNAK's Video Playlist

KARNAKs Sarah Jane Jelin talks with Heidi Ellsworth about the History of KARNAK Repair a Flat Roof Leak Underwater Permanently - KARNAK 19 Ultra Rubberized Flashing Apply White Roof Coating System Over EPDM - KARNAK 501 Elasto-Brite Apply White Roof Coatings Over Asphalt Roofs - KARNAK Apply Reflective Fibered Aluminum Roof Coating on an ...
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