--- product_id: 660753035 title: "Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20)" brand: "yamielo" price: "¥8672" currency: JPY in_stock: true category: "Yamielo" url: https://www.desertcart.jp/products/660753035-waterproof-sealant-mastic-new-type-waterproof-sealant-mastic-putty-leak store_origin: JP region: Japan --- # 100% waterproof seal 20g per pack, no waste soft & moldable putty Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) **Brand:** yamielo **Price:** ¥8672 **Availability:** ✅ In Stock ## Summary > 💧 Seal it, forget it — waterproof confidence in every squeeze! ## Quick Answers - **What is this?** Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) by yamielo - **How much does it cost?** ¥8672 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/660753035-waterproof-sealant-mastic-new-type-waterproof-sealant-mastic-putty-leak) ## Best For - yamielo enthusiasts ## Why This Product - Trusted yamielo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Convenient:** 20g packs designed for zero waste and easy storage—ready whenever you need it. - • **Effortless Mold & Seal:** Soft, flexible texture molds perfectly to any hole or crack for a flawless finish. - • **Versatile Repair Power:** Ideal for plumbing, wall repairs, duct sealing, and air conditioning holes. - • **Ultimate Waterproof Barrier:** Creates a durable, leak-proof seal that stands up to moisture and time. - • **Simple Application, Long-Lasting Results:** Just clean, apply, and let dry for 3-5 days to secure a professional-grade seal. ## Overview YAMIELO Waterproof Sealant Mastic is a soft, flexible putty designed for quick, reliable sealing of holes and cracks in walls, plumbing, and ducts. Each 20g pack offers a waterproof, durable barrier that dries in 3-5 days, making it perfect for professional and DIY repairs. Its compact packaging ensures no waste, while its versatility covers multiple surfaces including wood and concrete. ## Description Product description Specification Name: Waterproof Sealant Mastic Weight: 20g/Bag Package Includes 5/10/20 Pcs * Waterproof Sealant Mastic Note 1. Due to manual measurement, please allow a slight error. 2. Due to the different recognition of screen monitors, please allow slight color difference. Have a nice day! ## Features - Easy to Use & Shape: Our waterproof sealant mastic is soft and flexible, ideal for filling holes, wall repair, and as plumber’s putty. Simply fill and let it dry for 3-5 days for a sturdy seal. - Multipurpose: Versatile for hole filler, duct seal, waterproof insulation. - Waterproof: Acts as a waterproof sealant, perfect for various surfaces. - How to Use: Clean surfaces before applying and allow to dry. Avoid using on wet surfaces. - Convenient Packaging: 20g/bag, ensuring no waste and easy storage. Perfect for all repair needs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D942JJVM | | Best Sellers Rank | #659,191 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,294 in Duct Tape | | Brand | YAMIELO | | Brand Name | YAMIELO | | Color | white | | Compatible Material | Wood | | Customer Reviews | 4.7 out of 5 stars 4 Reviews | | Included Components | Waterproof Sealant Mastic | | Manufacturer | YAMIELO | | Number of Items | 5 | | Other Special Features of the Product | Waterproof | | Part Number | Waterproof Sealant Mastic | | Recommended Uses For Product | Electrical, Indoor, Plumbing | | Special Feature | Waterproof | | Surface Recommendation | Concrete | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** YAMIELO - **Color:** white - **Number of Items:** 5 - **Recommended Uses For Product:** Electrical, Indoor, Plumbing - **Special Feature:** Waterproof ## Images ![Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) - Image 1](https://m.media-amazon.com/images/I/71wIJ0OFb2L.jpg) ![Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) - Image 2](https://m.media-amazon.com/images/I/71yrgNohuHL.jpg) ![Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) - Image 3](https://m.media-amazon.com/images/I/71mA8in17pL.jpg) ![Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) - Image 4](https://m.media-amazon.com/images/I/715L-ddf+PL.jpg) ![Waterproof Sealant Mastic, New Type Waterproof Sealant Mastic Putty, Leak-Proof Duct Seal Putty for Wall Holes, Plumbers, Sink Drain, Air Conditioning Holes (20) - Image 5](https://m.media-amazon.com/images/I/61p7kFMOYtL.jpg) ## Available Options This product comes in different **Item Package Quantity** options. --- ## 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/660753035-waterproof-sealant-mastic-new-type-waterproof-sealant-mastic-putty-leak](https://www.desertcart.jp/products/660753035-waterproof-sealant-mastic-new-type-waterproof-sealant-mastic-putty-leak) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-06-17*