--- product_id: 479027231 title: "304099 Foil-Grip 1402 Mastic Duct Sealant 2\" x 100'" brand: "hardcast" price: "¥13160" currency: JPY in_stock: true category: "Hardcast" url: https://www.desertcart.jp/products/479027231-304099-foil-grip-1402-mastic-duct-sealant-2-x-100 store_origin: JP region: Japan --- # 40-year durability cycle Instant waterproof adhesion 17-mil foil thickness 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' **Brand:** hardcast **Price:** ¥13160 **Availability:** ✅ In Stock ## Summary > 🔧 Seal it once, seal it right — the 40-year grip that professionals trust! ## Quick Answers - **What is this?** 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' by hardcast - **How much does it cost?** ¥13160 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/479027231-304099-foil-grip-1402-mastic-duct-sealant-2-x-100) ## Best For - hardcast enthusiasts ## Why This Product - Trusted hardcast brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Eco-Friendly Zero VOC:** Safe for indoor use with true zero volatile organic compounds, aligning with green building standards. - • **Instant Waterproof Grip:** Pressure-sensitive formula delivers immediate water resistance on metal, PVC, and flex board surfaces. - • **Precision 2" x 100' Roll:** Generous length and ideal width for professional-grade sealing without frequent replacements. - • **Unmatched 40-Year Durability:** Engineered to last through decades of wear and tear, ensuring your ductwork stays sealed and secure. - • **Versatile Indoor/Outdoor Use:** Perfectly suited for all environments, including subgrade applications on PVC coated ducts. ## Overview The Hardcast Foil-Grip 1402 Mastic Duct Sealant is a premium 2" x 100' pressure-sensitive roll designed for long-lasting, waterproof sealing of duct joints and vapor barriers. With a robust 17-mil foil thickness and a 40-year durability cycle, it adheres instantly to metal, PVC, and flex board surfaces, suitable for both indoor and outdoor applications including subgrade use. Its zero VOC formula ensures safe, eco-conscious performance for professional HVAC and building projects. ## Description Description: foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general Purpose rolled sealant it provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor barriers foil-grip 1402 is suitable for subgrade application on PVC coated duct product specifications Application indoor/outdoor carton Qty. 24 Description Silver foil grip — printed size 2"" X 100' Shipping weight 2.20 Shipping width 6.20 Shipping length 6.20 Shipping height 2.00 Instant adhesion indoor/outdoor true zero VOC metal & subgrade PVC ductwork all pressure classes 17-mil thickness ## Features - Foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general purpose rolled sealant - It provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor Barriers - Foil-grip 1402 is suitable for subgrade application on PVC coated duct - Printed; size: 2" X 100'; application: indoor/outdoor - Instant adhesion ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01FG847PY | | Adhesive Format | roll | | Adhesive Location | one-sided | | Adhesive Side Count | 2 | | Best Sellers Rank | #238,929 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #602 in Duct Tape #1,936 in Painting Prep Materials | | Brand Name | Hardcast | | Color | Silver | | Compatible Material | Polyvinyl Chloride | | Customer Reviews | 4.8 4.8 out of 5 stars (289) | | Foil Thickness | 17 Mils | | Global Trade Identification Number | 00753970279401 | | Included Components | sealant | | Item Dimensions L x W x Thickness | 5.1L x 5.1W x 0.1Th centimeters | | Item Resistance | waterproof | | Item Thickness | 0.02 Inches | | Item Type Name | Hardcast FOIL-GRIP 1402 Mastic Duct Sealant 2" X 100' | | Manufacturer | Hardcast | | Material Type | Polyvinyl Chloride | | Model | 304099 | | Number of Items | 1 | | Other Special Features of the Product | Printed | | Part Number | CECOMINOD078413 | | Recommended Uses For Product | Indoor, Subgrade, Electrical, Plumbing | | Size Name | 2 inches x 100 feet | | Surface Recommendation | Metal | | UPC | 753970279401 | | Unit Count | 1 Count | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Hardcast - **Colour:** Silver - **Material:** Polyvinyl Chloride - **Number of Items:** 1 - **Recommended uses for product:** Indoor, Subgrade, Electrical, Plumbing ## Images ![304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 1](https://m.media-amazon.com/images/I/618QX-k1kBL.jpg) ![304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 2](https://m.media-amazon.com/images/I/41PH3S3TU7L.jpg) ![304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Image 3](https://m.media-amazon.com/images/I/617XswFC+vL.jpg) ## Frequently Bought Together - Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' - Nashua 365 Polyethylene Coated Cloth Professional Grade Duct Tape, 55m Length x 72mm Width, Metallic - Rolled Mastic Duct Sealants Foils 3'' X100 --- ## 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.jp/products/479027231-304099-foil-grip-1402-mastic-duct-sealant-2-x-100](https://www.desertcart.jp/products/479027231-304099-foil-grip-1402-mastic-duct-sealant-2-x-100) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-08-01*