apoc flex-shield 139 review. TRI-BUILT Synthetic Max Underlayment. apoc flex-shield 139 review

 
 TRI-BUILT Synthetic Max Underlaymentapoc flex-shield 139 review  For maximum performance APOC

APOC ® 133 PROLASTIC ® ULTRA SBS Modified Flashing Cement. Overview APOC 139 Rubberized Asphalt Coating & Adhesive is a unique fiber reinforced rubberized coating and adhesive designed for sealing and waterproofing a variety of surfaces. Nov 2023. APOC ® 576. APOC ® 11 White Top Ceramic Roofing Granules. APOC. Apply using a brush or squeegee. Our synthetic underlayments can be used with asphalt shingles. For use on metal, BUR, modbit, and single ply. Phone: (813) 248-2101 • Fax (813) 248-6768 • ARMOR FLEX. ASBESTOS FREE. Four Types of Flex Seal and How to Use Them On an RV Roof. Submittal data - APOC 139 Flex-Shield Rubberized Adhesive & Coating - Rubberized coating and adhesive designed for sealing and waterproofing a variety of surfaces - BuildSiteOur Products. 4K views 2 years ago Built-up Roofing Details Visit us at: APOC 139 FLEX-SHIELD Rubberized Adhesive & Coating is a unique fiber reinforced. APOC ® 122 Aqua Bond Wet/Dry Flashing Cement. Email. # for 2 coats. APOC® 585 Armor Flex™ White is a moisture cure, fluid applied, high solids, silicone coating. / APOC FLEX SHIELD RUBBERIZED ADHESIVE COATING #139 4. 75-Gallon Fibered Waterproofer Cement Roof Sealant. APOC Roofing Systems, Inc. P. O. Apply APOC 585 Armor Flex Silicone after the installation of the primer. APOC carries the widest variety of ASTM rated and non-rated organic felts. Apoc Industries focus on a narrow. APOC ® 302 Pro-Gard-F Fibered Asphalt Emulsion. 3 oz (M), 5. Some areBEST OVERALL: LR Liquid Rubber Waterproof Sealant – Multi-Surface. com. 24 January. 4 /pack. Product Summary. Armor Flex White creates a shield of protection over your roof with Pond-Proof Technology and cutting edge performance. APOC. Filter by. APOC 264 Elastomeric Roof Patch is a premium hybrid formula combining the waterproofing abilities of polyurethane with the flexibility and ease of use of acrylic polymers designed for both interior and exterior applications. 5-ft 200-sq ft Synthetic Roof Underlayment. 246 4. Power your marketing strategy with perfectly branded videos to drive better ROI. com. #WOC2022 #worldofconcreteAPOC is lower quality too - it’s in the same ball park as Henry. APOC ® 200 Rainshield ® -NF Non-Fibered Roof & Foundation Coating. APOC ® 247 Energy-Armor Sun-Shield ® Bright White Elastomeric Roof Coating. Shop APOC Flex-Shield ULTRA 4. 7973 Balboa Ave. Lower roof temperatures have been proven to decrease internal building temperatures resulting in. 8 oz (W) Type: Trail. Remote Diagnostics Stackable Washers. Our programs are designed to educate and bring awareness of new and existing APOC products, application techniques, new codes and regulations, industry updates and may other topics. com. 75-Gallon Waterproof Roof Sealant in the Roof Sealants department at Lowe's. Application is easy with a roofing trowel, putty knife or caulking gun. Apply on existing roof systems, built-up systems and below grade foundations and concrete walls for a durable, flexible seal that resists cracking. We provide 100% satisfaction guarantee if you are not fully happy with APOC Roof Coatings Flex-Shield. Apply using a brush or squeegee. APOC 586 Armor Flex Deep Tint Base APOC 586 Armor Flex Deep Tint Base is a moisture cure, fluid applied, high solids, silicone coating designed to be used with the EZ Blend colorant system. It also works on roof shingles made of a variety of materials, including vinyl, aluminum, and wood. Address One. 07. Apply using a brush or squeegee. DESCRIPTION: APOC® 139 Flex-Shield® Rubberized Adhesive & Coating. APOC #107 Fibrex Cold Process Cement and Adhesive - 4. (626) 443-8969. Rubberized Asphalt Coating & Adhesive. RESURFACE OLDER, WORN ROOFS with APOC 139. 8665 Log In. The hepatic APOC3 expression is induced by carbohydrates (glucose and fructose) and saturated fatty acid (SFA), and reduced by insulin and insulin and polyunsaturated fatty acid (PUFA) (18, 19, 31). APOC ® 585 Armor Flex. silver shield to relect the sun’s destructive rays. PRODUCT DESCRIPTION:APOC Weather-Armor® SB-1 Self-Bond® Roof Underlayment is a premium, all-purpose roof underlayment and leak barrier. #139. It expands and contracts with the roofs movements to resist damage. Upload ; APOC; AP-1391; Manual. APOC ® 248 Energy-Armor Arizona ® White Elastomeric Roof Coating. APOC Flex-Shield ULTRA 4. C/O Warranty Department. #139. Starting Bid:$1. APOC Gator. Shop APOC Gator-Skin 42-in x 285. Shop roofing and a variety of building supplies products online at Lowes. We would like to show you a description here but the site won’t allow us. Compare. 5-Gallon White Elastomeric Reflective Roof Coating (10-year Limited Warranty) Model # KS0063600-20. APOC 139 4. APOC 585 Armor Flex White is a moisture cure, fluid applied, high solids, silicone coating. 17 January. 63. DESCRIPTION: APOC ® 585 Armor Flex White is a moisture cure, luid applied, high solids, silicone coating. Read my GAF StormGuard vs. View. Restore it. Oct 2023. APOC ® 133 PROLASTIC ® ULTRA SBS Modified Flashing Cement. This product creates a shield of protection over. 027134557613. Visit us at: APOC 139 FLEX-SHIELD Rubberized Adhesive & Coating is a unique fiber reinforced rubberized coating and adhesive designed for s. Flex Seal floated our boat, and Teddy stayed dry. TRI-BUILT. Both of them offer strength and durability. 75-Gallon Waterproof Roof Sealant. South Hill, VA. Contactless delivery and your first delivery or pickup order is free! Start shopping online now with Instacart to get your favorite products on-demand. Polyester. View APOC ® 139 Rubberized Asphalt Coating & Adhesive. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. PREPARATION: Download the APOC APP for detailed. APOC 301 Asphalt Roof & Foundation Coating is water-based, liquid-applied and designed to restore worn asphalt roof surfaces (built-up roofs, modified bitumen, existing asphalt coatings) and dampproof exterior foundation walls. Bid Increment:$0. com/ APOC 139 FLEX-SHIELD Rubberized Adhesive & Coating is a unique fiber reinforced rubberized coating and adhesive. Ideal for use under shingles, slate, wood shake or other steep slope roofing materials, SB-1 Self-Bond® underlayment is engineered with high strength reinforcement, exceptional elasticity and a non-skid mineral finish. Vital Coat Shingle Shield Roof Life Extender 5-Gallon Waterproof Roof Sealant. Repairs shingles, roll roofing, valleys, splits, cracks and raised edges. To secure to frame requires Toro Recycler Trailing Shield Screws (117-1092)Price: $110. Resurfaces Older Worn Roofs Flexible to Resist Cracking Seals Roofs or Foundations Excellent Adhesive for Mod-Bit Rolls APOC 139. 22 lbs. APOC ® 258 ENERGY-ARMOR ™ Ultra Turbo-Dri ™. APOC's caulks and sealants are Miami-Dade approved and meet ASTM standards for use on concrete, single ply roofs, metal roofs, and BUR repairs. 9 based on 8 filtered reviews Customer reviews summary for BLACK JACK 4. Some of the most reviewed products in Roof Sealants. 6 qt / 3. View. APOC ® 302 Pro-Gard-F Fibered Asphalt Emulsion. for pricing and availability. Both of them offer strength and durability. The remaining characters of the FCC ID, APOC, are often. APOC 264 exceeds performance requirements of ASTM D1475, ASTM D2196, ASTM D2939, TAS 139, and CRRC rated. Application of APOC 583 Armor-Base helps to prevent bleed through. 75-Gallon Waterproof Roof Sealant in the Roof Sealants department at Lowe's. Find TRUDEF DURATION COOL roofing at Lowe's today. Model # AP-4100-15. Rubberized Asphalt Coating & Adhesive. Prevents leaks from. 0 square roll sizes, whereas WeatherWatch comes with 1. APOC® 585 Armor Flex™ White is a moisture cure, fluid applied, high solids, silicone coating. 7th Avenue Tampa, FL 33605 Telephone Technical 813-248-2101 - Customer Service: 8 AM - 5 PM M-F Eastern Standard Time 800-424-9300 - CHEMTREC Emergency 703-527-3887 - CHEMTREC (Outside US) Emergency Section 2 - Hazards Identification GHS HAZARDS AND PRECAUTIONS SIGNAL WORD: WARNING!Find Best Rated 24 roofing at Lowe's today. Can also be used to seal and protect. Rain shield adhesive and coatingGreat to waterproof flat roofsExcellent mod-bit adhesiveRubberized modified sealer Features Series Name Flex-Shield ULTRA Drying Time (Minutes) 8 Fibered No VOC Level 300 Color/Finish Family Black Warranty 1-year limited Unit of Measure Gallon(s) Unit of Measure Quantity 4. APOC 243 Advanced Elastomeric White Roof Coating has excellent durability, flexibility and reflectivity and is siliconized for added water protection and adhesion. Armor Flex™ White creates a shield of protection over your roof with Pond-Proof™ Technology and cutting edge performance. The aluminum pigment in this product enables it to form a silver shield to reflect the sun’s destructive rays. Polyset ® RTA-1 Roof Tile Adhesive. Rust-Oleum 301903 10 Year Elastomeric Roof Coating white gal. Flex Seal Liquid and Spray both come in black, white, and clear. TRI-BUILT Granular Surface Self-Adhering Ice & Water Shield. x 50 ft. com offers an excellent selection of high quality. APOC 139 Rubberized Asphalt Coating & Adhesive is a unique fiber reinforced rubberized coating and adhesive designed for sealing a variety of surfaces. for pricing and availability. For maximum performance APOC. 0 square. 241 4. Some coatings void the warranty or require an inspection after you walk on your roof. APOC ® 202 RAINSHIELD ® -F Fibered Roof & Foundation Coating. APOC 501 10. It is 100% waterproof and cures to be safe in the rain after just 15 minutes. gaf timberline hdz shingles. GrandAmGT. GAF Sell offers thanksgiving gift APOC Roof Coatings Flex-Shield ULTRA 4. DESCRIPTION: APOC® 139 Flex-Shield® Rubberized Adhesive & Coating is a unique rubberized coating and adhesive designed for sealing and waterprooing a variety of surfaces. 119 reviews Find a. APOC ® 247 Energy-Armor Sun-Shield. New $ 229. As for the use of coatings, APOC products can be used on all types of Rubber Roofs including true “EPDM Rubber Roofs. If you can't find the one you need, contact APOC Customer Service by clicking here. Weather-Armor SB-1 Roof Underlayment. Roof Underlayments. APOC ® 587 Armor Flex ® Miracle Roof ® Maintainable Silicone Membrane. 07 February: Wed 16 February: Friday 25 March: 21 February. 576 4. Protect and seal out the elements with our line of acrylic patches, modified silicone sausages, SBS modified asphalt tubes, thermoplastic sealants, wet & dry cement, clear silicone tubes and insulation. Appliances. for pricing and availability. Find APOC Rain-Proof roof sealants at Lowe's today. Free Shipping. APOC 264 Flash. Remote Diagnostics Stackable Washers. com. Armor Flex Deep Tint Base beautifies your roof while creating a shield of protection over your roof. Roofing. Engineered with "Green" solvent-free polymers, Armor Flex™ White outperforms traditional solvent and solvent-free products including. The remaining characters of the FCC ID,. Can also be used to seal and protect. APOC ® 133 PROLASTIC ® ULTRA SBS Modified Flashing Cement. Find My Store. Valspar Duramax Semi-gloss Base 1 Tintable Latex Exterior. End Time:7/7/2022 5:06:00 PM. Find Best Rated 36 roofing at Lowe's today. 75-Gallon Waterproof Roof Sealant in the Roof Sealants department at Lowe's. Mapei flexcolor grout, high heat furnace cement, Apoc flex shield adhesive, Thompson waterseal wood protector, ProForm all purpose joint compound. Engineered with "Green" solvent-free polymers, Armor Flex. Our programs are designed to educate and bring awareness of new and existing APOC products, application techniques, new codes and regulations, industry updates and. Lot Number:631. APOC 585 Armor Flex White is a moisture cure, fluid applied, high solids, silicone coating. View all. Add to Cart. APOC® 139 Thermoplastic Rubber Adhesive and Coating is a unique rubberized coating and adhesive for waterproofing a variety of. APOC 586Armor Flex Deep Tint Base. The exact drying, however, depends on the weather conditions. 07 50 10. They have brilliant people and a great culture but it feels like they demand the best but pay sub-par. Contactless delivery and your first delivery or pickup order is free!. 1-fl oz Fibered Waterproof Elastomeric Roof Sealant. 25. APOC 583 Armor-Base – Silicone Primer is a high performance water borne epoxy formulated for use with APOC silicone coating. Built-up / Modified Roof Restoration Systems Specification Description Spec Sheet AM1-BU-583-585 2. APOC's caulks and sealants are Miami-Dade approved and meet ASTM standards for use on concrete, single ply roofs, metal roofs, and BUR repairs. APOC ® 248 Energy-Armor Arizona ®. 75-Gallons Aluminum Reflective Roof Coating. It also has a white color instead of a black one, making it better at repelling UV rays and keeping your home cool. 9-Gallon White Silicone Reflective Roof Coating (Limited Lifetime Warranty) Model # AP-5811. Our mission is to address the physical and behavioral health care of members by offering a wide range of targeted interventions, education and enhanced access to care to ensure improved outcomes and. APOC. 44 reviews Dr. Overview. Category. APOC ® 535 Premium Rubberized Aluminum Roof Coating. This product, when cured,. APOC 139 Flex-Shield Thermoplastic Rubber Adhesive & Coating. APOC ®. restore it. Get Apoc Flex-Shield Ultra Waterproof Roof Sealant - Black - 4. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. com. DESCRIPTION: APOC® 139 Flex-Shield® ULTRA Rubberized Adhesive & Coating is a unique rubberized coating and adhesive for waterproofing a. PERFORMANCE: APOC 264 Flash N’ Seal is an ultra-flexible material that provides an elastomeric, UV blocked, water-based sealant for a variety of applications. 4 L. 36 in. APOC 139 Flex-Shield Rubberized Adhesive & Coating is a product in the Roof Coatings category. APOC 246 Premium Elastomeric White Roof Coating has excellent durability, flexibility and reflectivity and is siliconized for added water protection andAPOC® 264 FLASH N’ SEAL® offers outstanding adhesion, elasticity, flexibility, tensile strength and UV resistance. The original, best-in-class self-adhered roofing underlayment. Free Shipping. APOC 258 Energy-Armor™ Ultra Turbo-Dri™ Premium Elastomeric Coating is a premium acrylic roof coating designed for coating roofs. Shop roofing and a variety of building supplies products online at Lowes. 502MS Karna-Flex Repair Sealant White. J & S Supply is a large distributor of APOC 585 Armor Flex White Silicone Coating serving the Metropolitan New York, New Jersey, and Connecticut area. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. APOC ® 11 White Top Ceramic Roofing Granules. This product comes with four caulking tubes of sealant. (858) 627-9110. ASBESTOS FREE. 75-Gallon Waterproof Roof Sealant. 27. Yea my thoughts exactly. Asphalt surfaces must be treated with APOC WATER-SHIELD ROOF & FOUNDATION COATING DATA SHEET AP 301 ©2022 Gardner-Gibson, Inc. Shop APOC Flex-Shield ULTRA 4. In 2021, APOC was acquired by Innovative Chemical Products Group (ICP Group) and is a part of the Building Solutions division. 75-Gallon Waterproof Roof Sealant in the Roof Sealants department at Lowe's. gaf timberline hdz shingles. 238. is a unique rubberized coating and adhesive designed for sealing and waterprooing a variety of. 00/5 (14 Reviews) Select Options. transparent glass rhinestones. TRI-BUILT. APOC ® 705. APOC ® 585 Armor Flex ® HB Liquid Silicone Roof Membrane. APOC 139 Flex-Shield Thermoplastic Rubber Adhesive & Coating. APOC ® 200 Rainshield ® -NF Non-Fibered Roof & Foundation Coating. APOC ® 128 All-Pro SBS Modified Flashing Cement. Extend the lifespan of your roof with roofing cements, waterproofing elastomeric coatings, and more at Lowes. Pharmacological intervention by FXR (28,. For additional warranty and disclaimer information, contact the APOC corporate office at 1-800-237-1155. com. As for the use of coatings, APOC products can be used on all types of Rubber Roofs including true “EPDM Rubber Roofs. Resurfaces Older Worn Roofs Flexible to Resist Cracking Seals Roofs or Foundations Excellent Adhesive for Mod-Bit Rolls APOC 139 FLEX-SHIELD Rubberized Adhes. Use this plastic roof sealant cement to fix leaks, cracks and splits quickly. This product, when cured, forms a. It won’t perform as well on cuts as some others, but it’s versatile. 75-Gallon Waterproof Roof Sealant. . Box 5449 • Tampa, Florida 33675-5449 Phone: (813) 248-2101 • Fax (813) 248-6768 •. APOC 482 Polyester Reinforcing Fabric (40" x 324') APOC. On 2 January 1996, the 139th AW took over operation of the Rosecrans MAP control tower. Apply using a brush or squeegee. We provide 100% satisfaction guarantee if you are not fully happy with APOC Roof Coatings Flex-Shield ULTRA 0. APOC 139 Flex-Shield Thermoplastic Rubber Adhesive & Coating is a unique fiber reinforced rubberized coating & adhesive designed for sealing & waterproofing a variety. Buy Men’s Buy Women’s More Images. Step 1: Clean the Roof to Remove Debris and Surface Contaminants. Find My Store. For maximum performance APOC. APOC® 139 Thermoplastic Rubber Adhesive and Coating is a unique rubberized coating and adhesive for waterproofing a variety of surfaces. APOC ® 107 Cold Applied Roll Roof Adhesive. com. When there’s a lot of roof area to cover, you will want to consider other options. Apply using a brush or squeegee. Monday 3 January . APOC ® 241. Gator-Skin 42-in x 285. 75-Gallon Waterproof Roof Sealant at Lowe's. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. We offer a range of acrylic, aluminum, thermoplastic, asphalt and silicone primers and coatings that can be. APOC ® 202 RAINSHIELD ® -F Fibered Roof & Foundation Coating. View. Don't replace your roof. Find My Store. apoc rubberized adhesive and coating dry timepersonal lifting equipmentpersonal lifting equipmentProduct Description. Bottom line. 7K views • 2 years ago. This coating also scores far better in the scrub test. Find roof sealants at Lowe's today. Apoc Industries focus on a narrow selection of suspension component and Led light mounts to insure the customer receives to best quality of products. APOC® 139 Thermoplastic Rubber Adhesive and Coating is a unique rubberized coating and adhesive for waterproofing a variety of. Engineered with "Green" solvent-free polymers, Armor Flex™ White outperforms traditional solvent and solvent-free products including. But with other uses, we hit rough seas. MULTI-PURPOSE: APOC Flash N’ Seal is a premium blend of polyurethane and acrylic resins. 1-oz Elastomeric Roof Sealant. Find My Store. APOC ® 243. APOC ® 207 Silver Guard ®-NF Non-Fibered Aluminum Roof Coating. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. Polyset ® Low Slope Commercial Roof Adhesive (HFO) Roofing. Use safety. Apoc 585 armor flex is a good 100% solids silicone. Box 5449 • Tampa, Florida 33675-5449 Phone: (813) 248-2101 • Fax (813) 248-6768 • Further, APOC offers ways to cut down on energy costs through reflective coatings that cool the entire house. Be the first to review “Best Sale 🔔 APOC Roof. Model # AP-5070-0-61. 5 gallons per square in one uniform coat. APOC ® 115 Black Gold ® Liquid Rubber Flashing Cement. Vital Coat Shingle Shield Roof Life Extender 5-Gallon Waterproof Roof Sealant. 75 GALLON. View online or download PDF (99 KB) APOC AP-1395, AP-1391 Manual • AP-1395, AP-1391 PDF manual download and more APOC online manuals. 576 4. 2-22-19. APOC 585 Armor Flex White Liquid Silicone is the premier product for. For maximum performance APOC. Application is easy with a roofing trowel, putty knife or caulking gun. O. Self-Bond 36-in x 50-ft 150-sq ft Rubberized Asphalt Roof Underlayment. APOC 109 Asphalt Roof Cement is a durable, all-weather, long-lasting leak-repair designed to be applied in wet or dry applications such as: patching splits, APOC 264 is for use with elastomeric roof coatings. Product can be coated with a reflective coating 7 days after initial application. Ideal for metal, aged mod-bit and built-up roofing, concrete and tile, aged TPO and EPDM, and over existing acrylic, asphalt. APOC ® 208 Fibered Aluminum Roof Coating. APOC 139 can be used to protect coating applications for new and existing roof systems, bond roof plies in built-up systems, adhere mod-bit rolls and seal below grade foundations and concrete walls. Engineered with “Green” solvent-free polymers, Armor Flex White outperforms traditional solvent. APOC products are sold to roofing professionals nationwide through a strong network of roofing distributors. Apply using a brush or squeegee. Vital Coat Shingle Shield Roof Life Extender 5-Gallon Waterproof Roof Sealant. 75 GALLON. Flex-Shield ULTRA: Drying Time (Minutes) 8: Fibered: No: VOC Level: 300:. 9 based on 8 filtered reviews Customer reviews summary for BLACK JACK 4. Made with Pond-Proof® Technology, Armor Flex provides. Friday 25 February. It is manufactured with select asphalt and solvent to provide a durable and protective finish. APOC ®. Henry’s Dura-Brite also has far better results on the scrub test, and it adheres better to a roof with a poor-quality substrate. Link to Lowe's Home Improvement Home Page Lowe's Credit Center Order Status Weekly Ad Lowe's PRO. Model # AP-6410-10. Apply using a brush or squeegee. Product Summary. roofing shingles. APOC 586 Armor Flex Deep Tint Base is a moisture cure, fluid applied, high solids, silicone coating designed to be used with the EZ Blend colorant system. Cooling costs can be reduced while the underlying rooing materials are protected and preserved. Lower roof temperatures have been proven to decrease internal building temperatures resulting in recurring savings from. APOC Flex-Shield ULTRA 4. APOC Weather-Armor® SB-1 Self-Bond® Roof Underlayment is your premium, all-purpose roof underlayment and leak barrier. Completed. 1. com. APOC 139 Rubberized Asphalt Coating & Adhesive is a unique fiber reinforced rubberized coating and adhesive designed for sealing and waterproofing a variety of surfaces. 37-in x 65. APOC 587 Armor Flex Miracle Roof is different from other silicone coatings, it is formulated to bond to nearly any silicone coating and sealant. Apply using a brush or squeegee. Apoc 247 vs Elastek 127; Apoc 247 vs Henry’s Dura-Brite; Apoc 252 vs Elastek 127; Apoc 252. $59. com. 33 reviews Dr. Cooling costs can be reducedAPOC® 585 Armor Flex™ White is a moisture cure, fluid applied, high solids, silicone coating. silver shield to relect the sun’s destructive rays. APOC 525 Armor Flex-AB Thermoplastic Surfacing Compound is a unique thermo-plastic rubber coating and mastic. The APOC App is designed with the professional in mind. lacoo high back gaming chair apoc rubberized adhesive and coating dry time 2022年9月11日APOC® 585 Armor Flex™ White is a moisture cure, fluid applied, high solids, silicone coating. An FCC ID is the product ID assigned by the FCC to identify wireless products in the market. APOC ® 576Premium Silicone White Roof Coating. APOC ® 585 Armor Flex ® Liquid Silicone Roof Membrane. 00. It is recommended that gravel surfaced asphalt roofs be primed using an asphalt primer.