--- product_id: 337073066 title: "LLPT Butyl Seal Putty Tape | 1 Pack Black | 3MM Thick x 19MM Wide x 10M Long | Water Tight Seal Butyl Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST343)" brand: "llpt" price: "270.46 DT" currency: TND in_stock: true reviews_count: 13 category: "Llpt" url: https://www.desertcart.tn/products/337073066-llpt-butyl-seal-putty-tape-1-pack-black-3mm-thick store_origin: TN region: Tunisia --- # Water-tight & weatherproof Chemical & temperature resistant 3mm thick for durable sealing LLPT Butyl Seal Putty Tape | 1 Pack Black | 3MM Thick x 19MM Wide x 10M Long | Water Tight Seal Butyl Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST343) **Brand:** llpt **Price:** 270.46 DT **Availability:** ✅ In Stock ## Summary > 🔧 Seal it like a pro—never let a leak cramp your style! ## Quick Answers - **What is this?** LLPT Butyl Seal Putty Tape | 1 Pack Black | 3MM Thick x 19MM Wide x 10M Long | Water Tight Seal Butyl Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST343) by llpt - **How much does it cost?** 270.46 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/337073066-llpt-butyl-seal-putty-tape-1-pack-black-3mm-thick) ## Best For - llpt enthusiasts ## Why This Product - Trusted llpt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Invisible Protection:** Paintable and flexible, it blends into your surfaces for a clean, sleek finish every time. - • **Weatherproof Warrior:** Withstands water, cold, heat (up to 98°C), and corrosive chemicals for all-season reliability. - • **Effortless Application:** Moldable and mess-free tape that bonds instantly for quick, professional-grade repairs. - • **Precision Seal Mastery:** 3mm thickness ensures a robust, long-lasting barrier against leaks and drafts. - • **Versatile Surface Compatibility:** Adheres seamlessly to glass, metal, wood, plastic, and more—perfect for any project. ## Overview LLPT Butyl Seal Putty Tape is a 3mm thick, 19mm wide, 10-meter long black synthetic rubber tape designed for airtight, waterproof sealing on diverse surfaces including glass, metal, wood, and plastic. Resistant to water, chemicals, and temperatures up to 98°C, it offers easy molding and instant adhesion, making it ideal for RV repairs, window sealing, roof patching, and more. Trusted by thousands with a 4.5-star rating, this tape delivers durable, mess-free protection for both indoor and outdoor applications. ## Description Product Description Review: Good quality - Good quality Review: Works well - Well packaged and easy to use ## Features - APPLICATION: Widely used for window and door waterproof reinforcement, airtight sealing, windshield, RV, retrofit, pipe, joint sealing, mobile home, glass, EPDM roof or galvanized metal roofing patching for indoor and outdoor. - WORKING PATTERNS: Suitable to be use on glass, fiberglass, wood, coated or uncoated metals, plastic, rubber at tight corners, unusual curves, uneven and most jagged surfaces; reliably shut off wind, water, dust, oil, grease, vapor, moisture, corrosive chemical and other leakages; paintable feature is making your installation area a seamless, clean, dry and heavy duty water tight workspace. - FEATURES: LLPT Butyl Putty Tape (3.5mm/0.14 inch thick) is made of synthetic composited rubber for non-drying, non-hardening and extremely working temperature that provides easy installation, easy forming, quick molding, shock-absorbing, mess free, air tight sealing, waterproof, high viscosity and elasticity. - EASY TO USE: LLPT Sealant Putty Tape delivers easy molding and instant adhesion to the surface of object. Simply clean the surface first for better bonding and release the butyl tape to areas you want to seal with proper press all around the tape. The ideal installation temperature is around 10 Celsius degree, to low will make the tape stiffer which might need a little bit longer time for molding. - LLP-TAPES: LLPT produces various tapes for industrial and commercial use with ideal sizes and thickness based on the desires of users. Search on desertcart for other LLPT tapes like PET Repair Tape, Woodworking Tape, Aluminum Foil Tape, Foam Tape, Black/Gray/Clear Acrylic Mounting Tape, Duct Tape, Silicone Tape, Caulking Tape, Gaffer Tape and so on. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08HSY9N76 | | Best Sellers Rank | 10,071 in DIY & Tools ( See Top 100 in DIY & Tools ) 13 in Butyl Tape | | Brand | LLPT | | Colour | 1 X Black | | Compatible Material | Glass | | Country Of Origin | China | | Customer Reviews | 4.5 out of 5 stars 2,713 Reviews | | Global Trade Identification Number | 07915901300544 | | Included Components | 1 Pack Butyl Tape | | Item Dimensions L x W x Thickness | 19W x 3Th millimetres | | Item Resistance | Chemical Resistant, Cold Resistant, Heat Resistant, Water resistant | | Item Thickness | 3 Millimetres | | Item Weight | 0.83 Kilograms | | Manufacturer | LLP International Group | | Manufacturer Part Number | BST343 | | Material | ROHS Rubber | | Model Number | BST343 | | Number of Items | 1 | | Number of items | 1 | | Other Special Features of the Product | Strong | | Recommended Uses For Product | Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass | | Recommended uses for product | Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass Recommended uses for product Windows and doors, Windshield, Mobile home, Pipes, Joint sealing, Glass, EPDM or metal roofs, Wood, Plastic, Glass See more | | Size Name | 19MM X 10M | | Special feature | Strong | | Surface Recommendation | Glass, Metal, Plastic, Wood | | UPC | 791590130054 | | Unit Count | 10.0 meter | | Upper Temperature Rating | 98 Degrees Celsius | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** LLPT - **Colour:** 1 X Black - **Material:** ROHS Rubber - **Number of items:** 1 ## Images ![LLPT Butyl Seal Putty Tape | 1 Pack Black | 3MM Thick x 19MM Wide x 10M Long | Water Tight Seal Butyl Tape | for Leak Proof RV Repair Window Glass Boat Sealing EPDM Roof Patching (BST343) - Image 1](https://m.media-amazon.com/images/I/61NWVKE74+L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Can you roll it like dumdum or bluetac to make a lump to fill a small space that's a bit bigger than the 3mm thick?** A: Yes as long as you set your hands. **Q: Hi. How thick is the tape? Thank you.** A: 3.5mm thick, 1 inch wide and 33 feet for roll size. The butyl tape is double sided, putty like for water and air tight seal. **Q: Hi can I use around the bath** A: Not designed for a bath but there are similar products that are designed for baths **Q: Could I use this to stop a leak in a shower from between grout, there is movement on the shower tray so I need something flexible?** A: I would certainly give it a try. Ive used it my windscreen where the seal has perished. works great. Not sure how easy it is to remove. Might use on my shower when the glass has broken free of the old mastic. Bought it to fix the rainscreen back into the car doors. Perfect. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good quality *by T***P on 11 May 2026* Good quality ### ⭐⭐⭐⭐⭐ Works well *by M***E on 21 April 2026* Well packaged and easy to use ### ⭐⭐⭐⭐ Well packaged *by R***T on 23 March 2026* The manufacturer has put lots of thought into the packaging, to ensure the putty tape stays well formed, and doesn’t get damaged in transit. I’d certainly buy this again. Even better if it was available in white. ## Frequently Bought Together - LLPT Butyl Tape Black 3/4 Inch x 33Ft Tight Seal for Leak Proof EPDM RV Repair Window Glass Boat Sealing Roof Pipe Patching(BST343) - Dicor 551LSB-1 HAPS-Free NON-Leveling Lap Sealant - 10.3 Oz, Black, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application - Sika Sikaflex-221 - Black - Multi-Purpose Polyurethane sealant/Adhesive - Creates Permanent Elastic Seal - Sandable/paintable - Non-Corrosive - 10.1 fl oz --- ## 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.tn/products/337073066-llpt-butyl-seal-putty-tape-1-pack-black-3mm-thick](https://www.desertcart.tn/products/337073066-llpt-butyl-seal-putty-tape-1-pack-black-3mm-thick) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-06-21*