--- product_id: 609598158 title: "Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge" brand: "titebond" price: "$28.08" currency: USD in_stock: true category: "Titebond" url: https://www.desertcart.us/products/609598158-titebond-weathermaster-metal-roof-sealant-gray-premium-polymer-caulk-aluminum store_origin: US region: United States of America --- # Strong adhesion on metals UV & weather resistant ±50% joint flexibility Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge **Brand:** titebond **Price:** $28.08 **Availability:** ✅ In Stock ## Summary > 🌟 Seal the deal with WeatherMaster—where durability meets flexibility! ## Quick Answers - **What is this?** Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge by titebond - **How much does it cost?** $28.08 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/609598158-titebond-weathermaster-metal-roof-sealant-gray-premium-polymer-caulk-aluminum) ## Best For - titebond enthusiasts ## Why This Product - Trusted titebond brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Metal Mastery:** Superior adhesion on aluminum, copper, galvanized steel, and Kynar coated metals. - • **Eco-Smart & Safe:** VOC-compliant and solvent-free formula—professional-grade without compromise. - • **All-Weather Ready:** Extrudable in extreme hot or cold, sticks to wet surfaces for year-round reliability. - • **Next-Level Durability:** Outperforms silicone, tripolymer, and urethane sealants for long-lasting protection. - • **Unmatched Flexibility:** Permanently elastomeric with ±50% joint movement—no cracks, no shrinkage. ## Overview Titebond WeatherMaster Metal Roof Sealant is a premium polymer caulk engineered for superior adhesion and flexibility on metal surfaces including aluminum, copper, and galvanized steel. It withstands extreme weather, UV exposure, and joint movement up to ±50%, outperforming traditional sealants. Ideal for professional exterior projects, it’s VOC-compliant and safe, ensuring a weather-tight, long-lasting seal that keeps your metal roofs and fixtures protected year-round. ## Description Titebond WeatherMaster Metal Roof Sealant is specifically formulated to outperform all other sealant technologies, including VOC solvent, silicones, tripolymers and urethanes. This superior polymer formula provides a weather-tight seal against water, wind, dust and dirt. It offers exceptional adhesion to Kynar™ coated metal materials, along with standard metal, aluminum, steel, galvanized bonderized surfaces, plastics and glass. ## Features - Premium Metal Roof Sealant: Elastomeric polymer formula provides strong adhesion to aluminum, copper, galvanized steel, Kynar coated metals, and most building materials. - Flexible & Weather-Tight: Permanently flexible with ±50% joint movement, zero shrinkage, and resistant to dust, dirt, water, and wind. - Outperforms Other Sealants: Exceeds the performance of silicone, tripolymer, and urethane sealants for long-lasting exterior protection. - Extreme Weather Application: Extrudable in hot or cold conditions, adheres to wet and damp surfaces, UV-resistant, and compatible with all types of foam. - Ideal for Exterior Projects: Perfect for sealing metal roofs, windows, doors, siding, gutters, and vents; VOC-compliant and solvent-free for safe use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08B4FQ326 | | Best Sellers Rank | #41,606 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #133 in Adhesive Caulk #407 in Industrial Sealants #26,191 in Hardware | | Brand | Titebond | | Brand Name | Titebond | | Color | Gray | | Compatible Material | Aluminum, Glass, Metal, Plastic, Wood | | Customer Reviews | 4.6 out of 5 stars 312 Reviews | | Global Trade Identification Number | 00037083624212 | | Included Components | 1 Cartridge | | Item Dimensions | 1.94 x 1.94 x 12 inches | | Item Form | Liquid | | Item Type Name | joint-sealants | | Item Weight | 9.5 Ounces | | Item dimensions L x W x H | 1.94 x 1.94 x 12 inches | | Manufacturer | Franklin International | | Material | Polymer | | Material Type | Polymer | | Model | 62421 | | Number of Items | 1 | | Part Number | 62421 | | Style | 62421, Gray | | Style Name | 62421, Gray | | Supported Standards | TT-S-00230C Type II Class A, CAN/CGSB-19 13-M87 Classification MCG-2-25-A-N, ASTM C920 Type S Grade NS Class 50 Use T, NT, M, A & G | | Surface Recommendation | Roof | | Unit Count | 1.0 Count | | Warranty Description | Limited Warranty: If not satisfied with product performance when used as directed, according to our sealant installation guidelines, return container and proof of purchase to Franklin International, Inc. | | Water Resistance Level | Waterproof | ## Product Details - **Material:** Polymer - **Brand:** Titebond - **Style:** 62421, Gray - **Item Weight:** 10.1 Ounces - **Item dimensions L x W x H:** 1.94 x 1.94 x 12 inches ## Images ![Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge - Image 1](https://m.media-amazon.com/images/I/51xWQ+gBu1L.jpg) ![Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge - Image 2](https://m.media-amazon.com/images/I/31dAU56nnhL.jpg) ![Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge - Image 3](https://m.media-amazon.com/images/I/61QRAQVqroL.jpg) ![Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge - Image 4](https://m.media-amazon.com/images/I/71e8NsSVtdL.jpg) ![Titebond WeatherMaster Metal Roof Sealant, Gray – Premium Polymer Caulk for Aluminum, Copper, Galvanized Steel & Coated Metals, UV-Resistant – 62421, 9.5 Oz. Cartridge - Image 5](https://m.media-amazon.com/images/I/61w5J187suL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Frequently Bought Together - Titebond WeatherMaster Metal Roof Sealant 62421 Gray 9.5 Oz. - VIVIDA #3 Metal Roof Pipe Flashing, Metal Roofing Pipe Boot Kit, High Temp Silicone Vent Boot, for Tube OD 1/4" to 5", Square Base, Screws & Hex Socket Included, 1 Pack - XFasten Butyl Sealing Tape, Black, 1/8-In x 3/4-In x 30-Foot Plumbers Putty, RV Sealant, Boat Sealing, EDPM Butyl Tape --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/609598158-titebond-weathermaster-metal-roof-sealant-gray-premium-polymer-caulk-aluminum](https://www.desertcart.us/products/609598158-titebond-weathermaster-metal-roof-sealant-gray-premium-polymer-caulk-aluminum) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-22*