Herman’s Supply Company understands that when you have a roof leak, you need to be able to fix it fast – in either wet or dry conditions. That’s why we offer a variety of KARNAK products for repairing leaks in SHINGLES, concrete, metal or asphalt roofs, SBS & APP modified bitumen membranes, flashings on walls, chimneys, flues, SKYLIGHT flashings, downspouts and cornices.
Karnak | Roof Repair
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Seal of Quality
Emergency Roof Repair Products
Karnak #19
KARNAK #19 Ultra Rubberized Flashing Cement Caulk is a next generation, free-flashing cement. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents, KARNAK #19 Ultra Caulk is manufactured to a heavy pliable trowel graded consistency.
Also available in 10 oz. tubes.
Advantages
- Rubberized – elastomeric
- Wet or dry application
- Improved low-temperature flexibility
- Will not shrink or crack
- Smooth, easy to apply rubber-like trowel consistency
- Excellent adhesion
- Excellent resistance to flow (sag) at high roof temperatures
- Ready to apply – no mixing required
- Greater strength
- VOC: 306 g/L
- ASTM compliant
Application
Karnak #155
KARNAK #155 Amphibikote is a carefully prepared, emergency roof cement with special water displacing characteristics, which ensures an effective bond to both wet and dry surfaces. The ability to adhere during inclement weather conditions makes KARNAK #155 Amphibikote the first choice of both roofing contractors and plant engineers. KARNAK #155 Amphibikote is composed of selected asphalts, mineral fillers combined with refined solvent, and special chemical ingredients which give it a unique water displacement quality. Available in three consistencies: Summer, Semi and Winter.
Advantages
- Emergency roof cement
- Bonds to wet or dry surfaces
- Smooth trowel consistency
Application
Karnak 229AR
KARNAK 229AR Elastomeric is a single component, rubber-reinforced asphalt that forms a highly elastomeric waterproof coating as well as an air barrier. 229AR Elastomeric has excellent resistance to acids, alkalies & salts in the soil and will not deteriorate.
Advantages
- Highly rubberized, waterproofsealant
- Maintenance & repair of asphalt,concrete, metal, foam roofs
- Use to seal pitch pans, gravel stops, gutters, problem repairs
Application
Karna Flex
KARNAK Karna-Flex is an elastomeric & thermoplastic-rubber sealant formulated for use on properly prepared metal, concrete, EPDM, TPO, most PVC membranes, as well as spray polyurethane foam, and plywood roof substrates. Its ease of application, superior adhesion, elasticity and durability make Karna-Flex an ideal repair sealant.
Advantages
- 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
Application
SURFACE PREPARATION:
All surfaces to be sealed must be clean, dry and free from oil, grease and other foreign matter.
APPLICATION:Apply Karna-Flex by brush or caulking gun in the following manner.
- Horizontal Seams and Cracks 1/16” wide or larger.
- Using KARNAK 550 Patch-N-Go Fleece Self Sealing Tape, adhere tape to crack as directed per production application guidelines. Apply Karna-Flex at an average thickness of 1/16” to completely cover the polyester face of the tape and feather out.
- Or, using KARNAK Resat-Mat, apply Karna-Flex at an average thickness of 1/16” to completely cover the crack. Immediately embed one layer of Resat-Mat and cover with another application of Karna-Flex. Make sure to smooth the fabric out completely and cover.
Karna Klean
Karna-Klean is a biodegradable, non-toxic, petroleum free cleaner & degreaser with all natural ingredients. The base ingredient in this highly concentrated formulation is a natural solvent obtained from orange peel and pulp, giving Karna-Klean the pleasant scent of fresh oranges. Karna-Klean is an extremely versatile cleaner/degreaser combo capable of removing the toughest grease, tar, lubricants, adhesives, and asphalt. Karna-Klean can be safely used to clean aluminum, stainless steel, chrome, concrete, and most plastics & painted surfaces. Using Karna-Klean can reduce your costs especially if you are presently using products containing petroleum distillates, alcohol, or other hazardous materials. Karna-Klean affords you the opportunity to utilize one product to clean and degrease your entire facility safely and effectively.
Advantages
- Highly concentrated citric-based solvent
- Removes asphalt, tar, grease, lubricants, & adhesives from tools and equipment
- Cleans asphalt + tar from bricks, cement, stucco, and metal siding
- Environmentally friendly, non-toxic and petroleum free
- Pleasant orange scent
- Quart-sized spray bottles