--- product_id: 30170953 title: "Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts" brand: "teakdecking systems" price: "48388CFA" currency: XOF in_stock: true category: "Teakdecking Systems" url: https://www.desertcart.sn/products/30170953-teakdecking-systems-tds-sis-440-teak-deck-caulk-cartridge-10 store_origin: SN region: Senegal --- # Flexible, primer-free black caulk UV & chemical resistant 10.3oz marine-grade cartridge Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts **Brand:** teakdecking systems **Price:** 48388CFA **Availability:** ✅ In Stock ## Summary > 🛠️ Seal your yacht’s style with the ultimate black caulk upgrade! ## Quick Answers - **What is this?** Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts by teakdecking systems - **How much does it cost?** 48388CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/30170953-teakdecking-systems-tds-sis-440-teak-deck-caulk-cartridge-10) ## Best For - teakdecking systems enthusiasts ## Why This Product - Trusted teakdecking systems brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Optimized Cure Time:** Sands smoothly after 120 hours at 68°F, delivering a firm yet flexible bond that outperforms traditional sealants. - • **Effortless Application:** Thixotropic, drip-free paste stays put on vertical and horizontal seams—no primer needed, saving you time and hassle. - • **Marine-Grade Durability:** Premium silane polymer ensures waterproof, UV, and chemical resistance for long-lasting deck protection. - • **Trusted Industry Standard:** ASTM C920 certified, ISO 9001 manufactured, with a 15-month shelf life—reliable quality for professional marine projects. - • **Flawless Finish Every Time:** Designed for 3-10.3mm seams with bond-breaker tape compatibility for clean, uniform, first-class teak deck aesthetics. ## Overview The TDS SIS 440 Teak Deck Caulk Cartridge is a 10.3oz marine-grade sealant formulated with a one-part silane polymer that offers superior UV and chemical resistance, flexibility, and primer-free application. Ideal for teak decks on boats and yachts, it cures to a durable, sandable finish designed for seams between 3 and 10.3mm. Certified to ASTM C920 standards and produced in an ISO 9001 facility, this black caulk combines professional-grade performance with a sleek, first-class appearance. ## Description Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts: Silicone Caulk: desertcart.com: Industrial & Scientific ## Features - HIGH QUALITY MARINE POLYMER – 10.3oz Cartridge of boat sealant waterproof caulking made with a one-part silane polymer that forms a solid, rubber-like compound. Offers excellent UV and chemical resistance, superior temperature stability, and is easy to sand. This marine grade sealant improves project turnover time and is trusted in long-term marine caulking applications. - FLEXIBLE & PRIMER-FREE – Thixotropic paste that does not drip or sag, allowing for controlled application on vertical and horizontal seams. Stays flexible over time and requires no primer, making it an efficient marine sealant choice. Solvent-free and low waste, it's an environmentally conscious solution for marine use. - FIRST-CLASS APPEARANCE – Our marine caulking sealant is designed for seams 3 to 10.3mm wide to achieve a clean, uniform finish on teak decks. Seam depth should be equal to or greater than seam width for proper adhesion. When used with bond-breaker tape, this marine caulk helps support long-lasting, visually consistent deck seams. - OPTIMIZED CURE TIME FOR CONSISTENT RESULTS – Cures to a firm, flexible bond with reliable adhesion and durability, offering advantages over traditional polysulfide, polyurethane, and MS polymers. Black caulk is sandable after a minimum of 120 hours at 68°F (based on ¼" x ¼" seams). Larger seams may require more time. A dependable marine grade sealant for demanding environments. - INDUSTRY-STANDARD FORMULA & PACKAGING OPTIONS – Available in black, white, and gray, with a 15-month shelf life from the date of manufacture (printed on cartridge). Meets ASTM C920 standards and manufactured in an ISO 9001-certified facility, making it a consistent and compliant option for ongoing marine caulking and decking work. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00CFN1LFS | | Best Sellers Rank | #43,608 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #129 in Adhesive Caulk | | Brand Name | Teakdecking Systems | | Color | Black | | Customer Reviews | 4.4 4.4 out of 5 stars (140) | | Included Components | 1 x SIS440 Marine Caulk Cartridge (10.3 oz) | | Initial Hardening Time | 48 hours | | Item Form | Paste | | Item Weight | 10 ounces | | Liquid Volume | 10 fluid ounces | | Manufacturer | TDS | | Material Type | Other | | Maximum Gap Fill | 10.3 millimeters | | Model | TDS300BL | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | TDS300BL | | Surface Recommendation | Window | | Tensile Strength | 300 psi | | UPC | 616641416997 | | Unit Count | 10.3 Fluid Ounces | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Teakdecking Systems - **Color:** Black - **Full Cure Time:** 120 hours - **Item Weight:** 10 ounces - **Liquid Volume:** 10 fluid ounces ## Images ![Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts - Image 1](https://m.media-amazon.com/images/I/51LQPhvv-DL.jpg) ![Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts - Image 2](https://m.media-amazon.com/images/I/81g5gHnR95L.jpg) ![Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts - Image 3](https://m.media-amazon.com/images/I/9146fpzHkSL.jpg) ![Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts - Image 4](https://m.media-amazon.com/images/I/81xuiH5BGuL.jpg) ![Teakdecking Systems (TDS) SIS 440 Teak Deck Caulk Cartridge 10.3oz - Black | Premium quality, first class appearance, UV & chemical resistant, non-corrosive, ideal for boats and yachts - Image 5](https://m.media-amazon.com/images/I/81YlMTEUkmL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Frequently Bought Together - Teakdecking Systems - 10oz Marine Caulk Cartridge, Black - Premium Quality - SIS440 - for Teak Deck Seams - Provides First Class Appearance - UV & Chemical Resistant, Non-Corrosive - Teakdecking Systems Reefing Hook - Designed for Caulk Removal Before Re-Caulking - Blade Width: 2.5mm, Overall Tool Length: 8.5in - Comfortable & Easy to Use - Teakdecking Systems - 10oz Marine Caulk Cartridge, White - Premium Quality - SIS440 - for Teak Deck Seams - Provides First Class Appearance - UV & Chemical Resistant, Non-Corrosive --- ## 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.sn/products/30170953-teakdecking-systems-tds-sis-440-teak-deck-caulk-cartridge-10](https://www.desertcart.sn/products/30170953-teakdecking-systems-tds-sis-440-teak-deck-caulk-cartridge-10) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-15*