karnak flashing cement. Features application of Karnak 19 Ultra Rubberized Wet or Dry Caulk, and Karnak 19 Flashing Cement Caulk. karnak flashing cement

 
 Features application of Karnak 19 Ultra Rubberized Wet or Dry Caulk, and Karnak 19 Flashing Cement Caulkkarnak flashing cement  Wet or Dry Advanced Roofing Repair Adhesive (2-Pack) Price $ 19 Flashing Cement

19 Ultra provides a durable elastomeric coating of greater strength, excellent adhesion and high resistance to water and weathering. 19 Flashing Roof Cement. For flashing onto a modified bitumen membrane roof I would recommend using 19 Ultra Flashing Cement. Compare $ 69. 711AF Red "Slaters" Cement is a product in the Construction and Industrial Products category. It is designed to be applied to dry surfaces when it is not raining. Its aluminum flakes leaf to the surface forming a reflective, metallic shield over the surface of the roof. A: Kane, Henry 296 ElastoTape may work with Karnak flashing cement. 2. Karnak #19 Ultra Flashing Cement is the next generation asbestos-free flashing cement. It is excellent for sealing cracks in concrete and brick, as a joint filler for precast roof slabs and for general purpose use in maintenance of exposed buildings. 1 choice of flashing cement - Karnak 19. The open mesh construction of the fabric allows the surface coatings to. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. 76 % Nominal. Quick links. Systems Products Documents Contact About Search. 2. roof patch. Any "repair" you make with roof cement or caulk is not a reliable repair. (102) Questions & Answers (11) Elastic formulation offers a reliable leakproof seal. Karnak. henry 208, henry 906, henry flashmaster, karnak 19, karnak ultra 19, flashmaster : Associated Items: 0 review(s) Lucas 771 Dry Surface Flashing Cement 3G. #19 Ultra Rubberized Flashing Cement Caulk is. Lucas 758 Fibered Aluminum Roof Coating is formulated from specially refined asphalt, aromatic and aliphatic solvents, reinforcing non-asbestos fibers and 2 lbs. View Full Product Details. 4. excellent performance over wide ranges of temperature and weather conditions. This product dries to a tough, flexible. 75-Gallon Cement Roof Sealant. O. Cartridge 19 Ultra Rubberized Flashing Roof Cement. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe. This product dries to a tough, flexible. Premium Grade Trowelable Flashing Cement for Dry Surfaces. 501 Elasto-Brite. Lucas Lucas #776 Elite Flashing Cement is designed as a super-premium, high-performance flashing cement intended for use on modified bitumen and asphalt roofs. 34 Utility Grade Asphalt Cotton Fabric * We stock 4″ , 6″, 12″ and 36″ Rolls. 75-Gallon Cement Roof Sealant. KARNAK Headquarters 330 Central Avenue, Clark, NJ, 07066 +1-800-526-4236. Karnak 5 Gal. Wet-R-Dri Plus Pro Flashing Asphalt Roof Patch Coating Cement: 208R Rubberized Wet Patch Roof Leak Repair Sealant 3. #19 Ultra provides a durable elastomeric coating of greater strength,. Quick links. It is excellent for sealing cracks in concrete and brick, as a joint filler for precast roof slabs and for general purpose use in maintenance of exposed buildings. 3 oz. #19 Ultra provides a durable elastomeric coating of greater strength, excellent. Clark, NJ 07066 USA . KARNAK 19 Ultra Caulk provides a durable elastomeric coating of greater strength, excellent adhesion and high resistance to water and weathering. Emergency telephone number Karnak 19 flashing cement is a scientifically compounded composition of selected asphalts, mineral fibers, 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. Karnak 19 ultra flashing cement is the next generation asbestos-free elastomeric flashing cement. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. SPECIFICATIONS:78 Cold Process Cement. If further information is needed, contact KARNAK Technical Services at 1-800-526-4236. Around flashing, vents, or chimneys, cement can be applied up to ½ inch deep. The ability to adhere during inclement weather conditions makes 160. roof patch roofing sealant roof tar roof caulk ice and water shield roof cement 5 gallon roof cement. henry wet patch. Compare $ 89. Company Name Karnak Corporation 330 Central Ave. CLARK, N. 16 Double Coverage Roof Cement. 4. 208 Wet Patch Roof Leak Repair Sealant 0. PRODUCT: Karnak #229AR Elastomeric Waterproofing & Flashing Repair Mastic. It provides a reflective surface for roofs, metal buildings, and mobile homes. 75 Gal. 1-Gal. Demountable Shingle Remover: 27. 19 Ultra Rubberized Flashing Cement Wet/Dry (Emergency Repair) Repair Products. 19 Flashing Roof Cement. Karnak 19 ultra flashing cement is the next generation asbestos-free elastomeric flashing. I agree to the privacy policy. Read page 1 of our customer reviews for more information on the Karnak 1-Gal. Ideal for repairing shingles, concrete, wall flashings, and more. Questions and Answers for Karnak 1-Gal. I wouldn't consider this a permanent fix as my roof only has a few more years left. A deteriorated flashing on EPDM occurs where the adhesive or securement has failed, allowing the flashing to open. Karnak 1-Gal. Karnak. 19 Ultra provides a durable elastomeric coating of greater strength. Karnak #19 Ultra Flashing Cement is the next generation asbestos-free flashing cement. 0/0. 19 Ultra is a wet or dry application elastomeric flashing cement that provides durable and waterproof protection for asphalt roofs. New asphalt roof surfaces should weather a minimum of 90 days before being coated over with 97 fibered Aluminum Roof Coating. It provides roofing products, damp-proofing and waterproofing products, fabrics and repair tapes, caulks, sealant and flooring products, and elastomeric products. 502MS Karna-Flex Sealant. Compare $ 109. Roof sealant, generic term for roof coatings, caulks, compounds. 4. Manufacturer Karnak: Part Number 19-1AF: Retail UPC 6-0300900051-6: 5175G Black Jack Silver-Seal 300 Fibered Aluminum Reflective Roof Coating, 3 year, 1 Gallon. Company Name Karnak Corporation 330 Central Ave. Compare $ 293. Karnak Flashing Cement #19, Winter Grade Consistency, 5 Gallon. 670HS Karna-Sil Ultra White Silicone Reflective Roof Coating. Add to Cart. Description: An asbestos free, general purpose flashing cement for repairing leaks in shingles, concrete, metal or aspahlt roofs. Quick links. 5-Gal. ago. 19 Flashing Roof Cement. Phone: 800-526-4236; Fax: 732-388-9422; Send Email. Karnak. Apply an additional coat of Karnak #19 Ultra Flashing Cement over the entire patch at an average thickness of 1/8”. It is excellent for sealing cracks in concrete and brick, as a joint filler for precast roof slabs and for general purpose use in maintenance of exposed. Henry. (630) 240 - 7527. #19 Ultra provides a durable elastomeric coating of greater strength,. View Full Product Details. (149) Questions & Answers (24) Asphalt-based formulation makes roof surfaces leakproof. Karnak #19 Ultra Flashing Cement is the next generation flashing cement. com. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. Karnak. One coat of 98 Fibered Aluminum Roof Coating will extend the life of modified bitumen membrane, not only by limiting. View Full Product Details. 19 Ultra Rubberized Flashing Cement Wet/Dry (Emergency Repair) Repair Products. Recommended use and restrictions on use Use of the substance/mixture : Building and construction work 1. KARNAK 502MS Karna-Flex’s elastomeric properties make it an excellent sealant for prepared metal, concrete, asphalt, spray polyurethane foam, and plywood roof system details. current product. This cement is ideal for the repair of cracks, seams and holes in all roofing materials. HE505 - Flashmaster Flashing Cement is modified and rubberized. Prevents moisture penetration by sealing loose shingle tabs. KARNAK Headquarters 330 Central Avenue. Be assured that you purchased quality. by. edit: I've used the quick drying cement (1 hour-ish). Karnak. 502MS Karna-Flex Sealant. HE505 - Flashmaster Flashing Cement is a premium quality, trowel-grade flashing cement for use on dry surfaces in all. Apply a small amount of mastic at the base of the pitch pocket, then attach the pitch pocket to the roof, holding until the pitch pocket has adhered to the surface. Apply a small amount of mastic at the base of the pitch pocket, then attach the pitch pocket to the roof, holding until the pitch pocket has adhered to the surface. Compare $ 89. Embed and brush in a 36" width roll of Karnak #3036 Poly-Mat. Hover Image to Zoom. 502MS Karna-Flex Sealant. 19 flashing cement KARNAK 19 Flashing Cement is a scientifically compounded composition of selected asphalts, mineral fibers, 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. Related. John McDermott gives us the scoop on Karnak 19 Ultra. 75 Gal. Rubberized formulation prevents water penetration;Cleans asphalt and tar from brick, cement, stucco, concrete, metal and all types of roofing equipment. There are some things in roofing that just aren't replaceable completely yet. The description shown may not apply to all shipping situations. 220 Fibered Emulsion is manufactured with refined asphalt, bentonite clay, emulsifiers and fibers for brush or spray application on BUR roofs, modified bitumen membrane roofs, metal and concrete roof surfaces. Karnak flashing cement. #19 Ultra provides aBut a well done flashing cement repair job (with or without fabric) will last years if done by a pro. (40) $ 68. 502MS Karna-Flex Sealant. tube. Karnak 1-Gal. . This product dries to a tough, flexible. Recommended use and restrictions on use Use of the substance/mixture : Building and construction work 1. Shop this Collection. It doesn’t require mixing, it is smooth and ready to apply, and it is designed to last even under the. ADDRESS : 330 CENTRAL AVE. £51. 1 oz. KARNAK 19 Ultra is available in 3 consistencies: Summer, Semi and Winter grade. Classification of the. It is available in 3 consistencies and can be applied by trowel to provide a. surfaces should be patched and repaired with Karnak #19 Ultra Rubberized Flashing Cement and Karnak #31 Glass Membrane. 19. Find submittal-ready datasheets, SDS, specs, ICC-ES reports. 48 (139) Karnak. 78 Incl VAT. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. Compare $ 69. 48. should be patched and repaired with KARNAK 19 Ultra Rubberized Flashing Cement and KARNAK 31 Glass Membrane. com. One coat of 98 Fibered Aluminum Roof Coating will extend the life of modified bitumen membrane, not only by limiting. 75 gal. 1-800. 112 Non-Fibered Foundation & Roof Coating is a non-fibered asphalt coating used for preventing moisture penetration through foundation walls and for protecting a variety of roof surfaces. 20 (10) Model# 16-5-HD. 19 Flashing Roof Cement. 1. 2a -. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. White Elastomeric Roof Patch (295) $ 24. USES: 19 Ultra Flashing Cement is a general purpose asbestos-free flashing cement for repairing leaks in shingles, concrete, metal or. 3 Gal. Scientifically compounded with a selection of rubber reinforced asphalt, mineral. Karnak. 5d 16h Left. All BUR surfaces should be patched and repaired with KARNAK 19 Ultra Rubberized Flashing Cement and KARNAK 31. Price/Pail. Flash Master cement is a long-lasting, high-quality, asphalt-based formulation. Keeps base coatings and membranes from drying out. This product dries to a tough, flexible. This product dries to a tough, flexible. 19 Flashing Cement. Notice all precautions on container. Compare. MSDS Page 2 of 5 Rev. Stops leaks on wet or dry surfaces, emergency repair. 5 gallons per 100 sq. It is therefore used to cover cracks in failing systems because this product can reseal a leak instantaneously and can even be applied UNDERWATER. Box 5108 Denver, CO USA 80127 Telephone : +1-303. Video demonstrates the remarkably s. Seals cracks on vertical and horizontal surfaces without any sags. Karnak. Karnak #19 Flashing Cement is available in 2. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. Do not flush into surface water or sanitary sewer system. Description. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. Acrylic. A. Karnak #19 Ultra is manufactured to a heavy pliable consistency for ease of application by trowel. Karnak 19 Flashing Cement and Ultra Rubberized Flashing Cement are available in 5 gallon pails, 3 gallon buckets and 1 gallon cans. Manufacturer Karnak: Part Number 19-1AF: Retail UPC 6-0300900051-6: 5175G Black Jack Silver-Seal 300 Fibered Aluminum Reflective Roof Coating, 3 year, 1 Gallon. 502MS Karna-Flex Sealant. weather conditions. US Toll-Free: +1 (800)-782-1768. Scientifically compounded with a selection of rubber reinforced asphalt, mineral fibers, and refined solvents. 48. 00. 5-Gallons/Pail. 3. 97 Fibered Aluminum Silver. 81 Modified Bitumen Adhesive is a premium cold-applied, high strength bituminous based adhesive sealant designed for the application and repair of SBS modified bitumen single-ply membranes and bituminous single-ply membranes. Karnak D41 Asphalt Primer. Similar Items. When properly utilized this product adheres the membrane and seals the laps to prevent water intrusion. Compare $ 21. Features application of Karnak 19 Ultra Rubberized Wet or Dry Caulk, and Karnak 19 Flashing Cement Caulk. Large selection of Galvanized Flashing Long Rack Not Included $1. For use in roof system approvals, refer to the specific Roofing System’s, Product Control. The order of application would be flashing cement, 34 Asphalt Saturated Cotton fabric placed into. should be patched and repaired with KARNAK 19 Ultra Rubberized Flashing Cement and KARNAK 31 Glass Membrane. KARNAK 19 Ultra Flashing Cement is the next generation asbestos-free elastomeric flashing cement. Subscribe to get notified when the product comes back in stock. 19. Description: An asbestos free, general purpose flashing cement for repairing leaks in shingles, concrete, metal or aspahlt roofs. Karnak. Related Searches. Karnak #19 Ultra is manufactured to a heavy pliable consistency for ease of application by trowel. Karnak #19 Ultra is manufactured to a heavy pliable consistency for ease of application by trowel. 19 Flashing Roof Cement. It has a unique water displacement quality (Wet/Dry) and is composed of rubber, asphalt, mineral fibers and solvents. #19 Ultra provides a durable elastomeric coating of greater strength,. The primer, basically look for asphalt primer. 78 Cold Process Cement is a bituminous based adhesive sealant designed for the application and repair of rolled roofing bituminous single-ply membranes. Read page 1 of our customer reviews for more information on the Karnak 1-Gal. 211 Plastic Cement. Lucas 776 Elite Wet/Dry Flashing Cement 3G: LUCAS-776-ELITE-3G : Lucas 776 Elite Wet/Dry Ultra Rubberized Flashing Cement. reinforcement and another coat of 19 Ultra Rubberized Flashing Cement over the entire patch. 19 Flashing. Henry® 430 ClearPro™ Clear VCT Floor Adhesive Page 2 of 6 04-May-2021 General: Call a Poison Center or doctor if you feel unwell. Notice all precautions on container. Ideal for sealing and waterproofing cracks and splits on BUR and modified bitumen asphalt roofs, metal roof seams and. Rubberized Flashing Cement Caulk is a great tool to have in your toolkit when performing roof inspections, annual maintenance or emergency repairs. Manufacturer Karnak: Part Number 19-1AF: Retail UPC 6-0300900051-6: 5175G Black Jack Silver-Seal 300 Fibered Aluminum Reflective Roof Coating, 3 year, 1 Gallon. 501 Elasto-Brite. Good U. However, 97KARNAK 19 Professional Grade Flashing Cement is one of the company’s flagship products and is ideal for making repairs to low slope asphalt, built up roofs and modified bitumen roofs. Karnak #18 Perfectseal Flashing Cement is a general purpose cement for repair-ing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, down- spouts and cornices. Roofing and Exterior Products (REPS of Ohio) is proud to represent and offer Karnak Products. Karnak 19 Ultra Flashing Cement and Karnak Fiberglass Membrane or Karnak Asphalt Cotton Fabric. 5 Gal. Questions & Answers. 1. 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. This is the best I have ever used. 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. Wet-R-Dri All-Season Roof Patch. tube. Karnak 19 Flashing Cement dries to a. The products need to be applied directly over the damaged roofing material. Watch informative how-to videos by Karnak for expert tips on roof repairs, preparation, caulking, and product application. Shows how to repair cracks on roofs permanently. Siliconizer Crack Filler is a 100% elastomeric, styrene acrylic, silicone-modified white mastic for interior and exterior use. 4. 4. APOC 128 All-Pro SBS Rubberized Flashing Cement. S AND CANADA 1-202-483-7616 Customer Service: Karnak Corporation 1-800-526-4236 2. Also available in 10 oz. I fixed a drip coming in from a chimney it lasted 12 years before I had to do again. This may cause water to enter the building envelope. 97 Fibered Aluminum Roof Coating is made of selected asphalts and pigment flakes of pure aluminum blended with refined solvents and reinforcing fibers for heavy duty service. 19 Flashing Roof Cement. Karnak #19 Standard Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. KARNAK 19 Ultra Caulk is the next generation, asbestos-free, rubberized asphalt caulking cement. 16 Double Coverage Roof Cement. 19 Ultra provides a durable elastomeric coating of greater strength, excellent adhesion and high resistance to water and weathering. Next. Cemt (wet/dry) D−4586. Auction by Lopatofsky Auction LLC (1009) This item is in Clifford Township, PA. application of the cement. Perfectseal Non-Fibered Aluminum Silver Reflective Roof Coating. 2. 5 Gal. So it’s clean area then Karnak 19 than mesh tape add second coat of Karnak. The Roof Tube Squares off against Karnak's Flashing grade 19. 19 Flashing. 1-Gal. Seals cracks on vertical and horizontal surfaces without any sags. 406 Standard Fibrated Aluminum Roof Coating. MANUFACTURER'S NAME: KARNAK CORPORATION . USES: 19 Ultra Flashing Cement is a general purpose asbestos-free flashing cement for repairing leaks in shingles, concrete, metal or asphalt roofs, SBS and APP modified bitumen membranes flashings on walls,Karnak #19AF Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. View Full Product Details. tubes. 4. 1 Revision Date 07/09/2021 Print Date 07/09/2021 1 / 13 US/EN SECTION 1. Finish Coats. 2. Happy Friday Roofing Industry! #flashingfridays | cementUSES. Let cure 3- months then 1 coat of Lanco then paint 2-coats exterior paint . ft. Hover Image to Zoom. 502MS Karna-Flex Repair Sealant White. Karnak. $100. 2. We provide the most experienced, highly trained roofing and weatherproofing team in the industry. Karnak #19 Ultra is manufactured to a heavy pliable consistency for ease of application by trowel. Professional-strength asphalt, tar and dirt remover/degreaser. 19 Flashing Roof Cement. I hope this help in answering your question. weather conditions. Use to install, repair or rebuild roof flashings. I used Lanco over mesh tape & Karnak 19 flashing cement after full cure. 19 Flashing Roof Cement. #19 Ultra provides a durable elastomeric coating of greater strength,. Resources. 1. KARNAK 19 Flashing Cement is available in 3 consistencies: Summer, Semi and Winter. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. Apply flashing in the pitch pocket with both cured and uncured flashing such that it extends over the top and goes into the pitch pocket. 2. This time frame can vary either longer or shorter. 52. It is excellent for sealing cracks in concrete and brick, as a joint filler for precast roof slabs and for general purpose use in maintenance of exposed buildings. Model# 502MS-3. by Karnak (95)Interested in purchasing a pallet? Buy 27; Constructed with asphalt material for long-lasting use;For the most part, KARNAK brush or spray grade coatings will dry in 24 hours. The cracking is very apparent and follows exactly along the edges of the two year old flashing cement used to seal the outside lap seams. How doers get more done. 19 Flashing Cement is a scientifically compounded composition of selected asphalts, mineral fibers and refined solvents that are. 15 Excl VAT. Use this to flashing to both the existing modified bitumen roof membrane and new pipe boot. Gardner Wet-R-Dri 4. Price $ KARNAK 19 Ultra. I also used on seams on flat roofs. 330 CENTRAL AVENUE, CLARK, NJ 07066 732-388-0300 • 800-526-4236. The flashing cement is scientifically compounded with a selection of rubber-reinforced asphalt, mineral. KARNAK Headquarters 330 Central Avenue, Clark, NJ, 07066 +1-800-526-4236. 2d 21h Left. Easy to apply: Comes in Brush, Spray or Trowel Grades: Tough, flexible, elastic, rubber-like film. 19 Flashing Roof Cement (149) $ 21. (3 Gal. Notice all precautions on container. Perfectseal Non-Fibered Aluminum Silver Reflective Roof Coating. Systems Products Documents Contact About Search. 75 gal. 501 Elasto-Brite. 2d 21h Left. View Full Product Details. Karnak 19 ultra flashing cement is the next generation asbestos-free elastomeric flashing cement. 75 Gal. Karnak #19 Flashing Cement is a scientifically compounded composition of selected asphalts, mineral fibers, 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. A heavy-duty, fibered repair mastic, designed to patch roof surfaces. 5 in. Manufacturer Karnak: Part Number 19-1AF: Retail UPC 6-0300900051-6: 5175G Black Jack Silver-Seal 300 Fibered Aluminum Reflective. tube. Karnak #19 Ultra Flashing Cement is the next generation asbestos-free elastomeric flashing cement. Karnak. Karnak 19 ultra is manufactured to a heavy pliable consistency for ease of application by trowel. It provides a durable, elastic coating of excellent adhesion and high resistance to water and weathering. KARNAK FLASHING CEMENT #19 GALLON. Apply an additional coat of Karnak #19 Ultra Flashing Cement over the entire patch at an average thickness of 1/8”. Details. KARNAK 71 Fibered Asphalt Roof Coating is a superior quality roof coating consisting of selected asphalts, mineral fibers and mineral spirits. Manufacturer Karnak: Part Number 19-1AF: Retail UPC 6-0300900051-6: 5175G Black Jack Silver-Seal 300 Fibered Aluminum Reflective Roof Coating, 3 year, 1 Gallon. 2d 21h Left. Price/Pail. Designed for application by trowel 18 is a durable cement with excellent adhesion and weathering characteristics. 13 Plastic Cement. KARNAK manufactures and supplies reflective coatings, cement, and sealants for roofing and waterproofing. KARNAK 19 Ultra Caulk provides a durable elastomeric coating of greater strength, excellent adhesion and high resistance to water and weathering. )KARNAK 18 Perfectseal Flashing Cement is a scientifically compounded composition of selected asphalts, mineral fibers, and refined solvents that are manufactured to a heavy consistency. 19 Flashing Roof Cement. Finish Coats. 3 Gal. Karnak manufactures a complete line of sustainable roof coatings, sealants, and waterproofing solutions to protect, restore and extend the life of building envelopes. (149) Questions & Answers (24) Asphalt-based formulation makes roof surfaces leakproof. USES: 19 Flashing Cement is a general purpose cement for repairing leaks in shingles, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, downspouts and cornices. Apply an additional coat of Karnak #19 Ultra Flashing Cement over the entire patch at an average thickness of 1/8”. But it's a patch and doing its job well. USES: 19 Ultra Flashing Cement is a general purpose asbestos-free flashing cement for repairing leaks in shingles. Designed as the most time saving and cost-effective roof leak repair product on the market. We would like to show you a description here but the site won’t allow us.