--- product_id: 29824375 title: "304099 Foil-Grip 1402 Mastic Duct Sealant 2\" x 100'" brand: "hardcast" price: "R1806" currency: ZAR in_stock: true category: "Hardcast" url: https://www.desertcart.co.za/products/29824375-304099-foil-grip-1402-mastic-duct-sealant-2-x-100 store_origin: ZA region: South Africa --- # 40-year durability cycle Instant waterproof adhesion 17-mil foil thickness 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' **Brand:** hardcast **Price:** R1806 **Availability:** ✅ In Stock ## Summary > 🛡️ Seal Smart, Seal Strong — The Last Duct Sealant You'll Ever Need! ## Quick Answers - **What is this?** 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100' by hardcast - **How much does it cost?** R1806 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/29824375-304099-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 - • **Unmatched 40-Year Seal:** Engineered for decades of reliable duct joint protection, ensuring your projects stand the test of time. - • **Eco-Conscious & Printed:** True zero VOC with a printed foil surface for easy identification and responsible use. - • **Precision 2" x 100' Roll:** Generous length and perfect width for professional-grade application without frequent reloads. - • **Instant Water-Resistant Grip:** Pressure-sensitive formula bonds immediately to metal, PVC, and vapor barriers—no waiting, no mess. - • **Versatile Surface Compatibility:** Seals flawlessly on sheet metal, flex board, PVC-coated ducts, and more—indoor or outdoor. ## Overview The Hardcast Foil-Grip 1402 Mastic Duct Sealant is a premium 2" x 100' pressure-sensitive roll designed for indoor and outdoor duct sealing. Featuring a robust 17-mil foil thickness and instant waterproof adhesion, it guarantees a 40-year lifecycle on metal, PVC, and vapor barrier surfaces. Trusted by professionals for its versatility, durability, and eco-friendly zero VOC formulation. ## 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 | 1 | | Best Sellers Rank | #25,591 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #245 in Duct Tape | | Brand Name | Hardcast | | Color | Silver | | Compatible Material | Metal, Polyvinyl Chloride | | Configuration | Single Roll (2" x 100') | | Customer Reviews | 4.8 4.8 out of 5 stars (314) | | Foil Thickness | 17 mils | | Global Trade Identification Number | 00753970279401 | | Included Components | sealant | | Item Dimensions L x W x Thickness | 2"L x 2"W x 0.03"Th | | 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 | Pvc | | Model | 304099 | | Number of Items | 1 | | Number of Packs | 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 - **Color:** Silver - **Material:** Pvc - **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.co.za/products/29824375-304099-foil-grip-1402-mastic-duct-sealant-2-x-100](https://www.desertcart.co.za/products/29824375-304099-foil-grip-1402-mastic-duct-sealant-2-x-100) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-08-25*