---
product_id: 247599204
title: "Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive"
brand: "teakdecking systems"
price: "49565CFA"
currency: XOF
in_stock: true
reviews_count: 3
category: "Teakdecking Systems"
url: https://www.desertcart.sn/products/247599204-teakdecking-systems-tds-10-3oz-sis-440-teak-deck-caulking
store_origin: SN
region: Senegal
---

# UV & chemical resistant primer-free, flexible application 10.3oz marine-grade cartridge Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive

**Brand:** teakdecking systems
**Price:** 49565CFA
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal your deck like a pro — don’t let your boat miss out on the best!

## Quick Answers

- **What is this?** Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive by teakdecking systems
- **How much does it cost?** 49565CFA 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/247599204-teakdecking-systems-tds-10-3oz-sis-440-teak-deck-caulking)

## 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

- • **Effortless Precision:** Thixotropic, drip-free formula ensures clean, controlled application on all deck seams.
- • **Flexible & Primer-Free:** Maintains elasticity over time without the need for primers, saving time and materials.
- • **Marine-Grade Durability:** Engineered to withstand harsh marine environments with superior UV and chemical resistance.
- • **Perfect Finish Every Time:** Designed for 3-10.3mm seams, sandable after curing for a flawless, professional look.
- • **Trusted Quality & Compliance:** ISO 9001 certified, ASTM C920 compliant with a 15-month shelf life for reliable performance.

## Overview

Teakdecking Systems SIS 440 is a premium 10.3oz marine caulk cartridge designed for teak deck seams. It features a one-part silane polymer formula that offers excellent UV and chemical resistance, flexibility without primer, and a sandable finish after curing. Ideal for 3 to 10.3mm seams, it meets ASTM C920 standards and is manufactured in an ISO 9001-certified facility, ensuring long-lasting, professional-grade marine sealing.

## Description

Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive: desertcart.com: Industrial & Scientific

Review: works but a bit expensive - It shrinks somewhat so a second application may be needed to fill in valley. Applying excess is needed to deal with shrinkage, but over and under doing it is all too easy. Very durable stuff, it would outlast your teak.
Review: Horrible product - The product was impossible to dispense. It was practically dry and I threw it away. I will never purchase this product again. There is a local marine store, I will pay more but at least they will stand behind what they sell.

## 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. Gray caulk is sandable after a minimum of 15 days 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 | B08KGGZWN2 |
| Best Sellers Rank | #386,682 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #888 in Adhesive Caulk |
| Brand | Teakdecking Systems |
| Brand Name | Teakdecking Systems |
| Color | Gray |
| Customer Reviews | 3.6 out of 5 stars 12 Reviews |
| Full Cure Time | 15 Days |
| Included Components | 1 x SIS440 Marine Caulk Cartridge (10.3 oz) |
| Initial Hardening Time | 12 Days |
| Item Form | Paste, Strip |
| Item Weight | 0.94 Pounds |
| Liquid Volume | 10 Fluid Ounces |
| Manufacturer | Teakdecking Systems |
| Material Type | Synthetic Rubber |
| Maximum Gap Fill | 10.3 Millimeters |
| Model | TDS116-003 |
| Number of Items | 1 |
| Part Number | TDS116-003 |
| Surface Recommendation | Window |
| Tensile Strength | 300 Pounds Per Square Inch |
| UPC | 853367004132 |
| Unit Count | 10.3 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Teakdecking Systems
- **Color:** Gray
- **Full Cure Time:** 12 Days
- **Item Weight:** 0.94 Pounds
- **Liquid Volume:** 10 Fluid Ounces

## Images

![Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive - Image 1](https://m.media-amazon.com/images/I/616JP+fYU7L.jpg)
![Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive - Image 2](https://m.media-amazon.com/images/I/81vYUlZAJvL.jpg)
![Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive - Image 3](https://m.media-amazon.com/images/I/91YPELHoMQL.jpg)
![Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive - Image 4](https://m.media-amazon.com/images/I/81b39ceX3mL.jpg)
![Teakdecking Systems (TDS) 10.3oz SIS 440 Teak Deck Caulking Gray Marine Caulk Cartridge - Premium Quality - Marine Sealant for Teak Deck Seams - UV & Chemical Resistant, Non-Corrosive - Image 5](https://m.media-amazon.com/images/I/81taoLVOgbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ works but a bit expensive
*by G***P on February 5, 2025*

It shrinks somewhat so a second application may be needed to fill in valley. Applying excess is needed to deal with shrinkage, but over and under doing it is all too easy. Very durable stuff, it would outlast your teak.

### ⭐ Horrible product
*by J***Y on December 20, 2023*

The product was impossible to dispense. It was practically dry and I threw it away. I will never purchase this product again. There is a local marine store, I will pay more but at least they will stand behind what they sell.

### ⭐ It was hard as a rock
*by A***. on March 2, 2025*

It was hard as a rock

## Frequently Bought Together

- Teakdecking Systems - 10oz Marine Caulk Cartridge, Gray - SIS440 - Premium Quality - 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, Black - Premium Quality - SIS440 - for Teak Deck Seams - Provides First Class Appearance - UV & Chemical Resistant, Non-Corrosive

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-31*