---
product_id: 173456695
title: "Dowsil 791 Silicone Sealant Grey 310ml"
brand: "dowsil"
price: "R788"
currency: ZAR
in_stock: true
category: "Dowsil"
url: https://www.desertcart.co.za/products/173456695-dowsil-791-silicone-sealant-grey-310ml
store_origin: ZA
region: South Africa
---

# Strong adhesion to 20+ materials Tack-free in 30 minutes Superior weather resistance Dowsil 791 Silicone Sealant Grey 310ml

**Brand:** dowsil
**Price:** R788
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal the deal with speed and strength — don’t let your projects wait!

## Quick Answers

- **What is this?** Dowsil 791 Silicone Sealant Grey 310ml by dowsil
- **How much does it cost?** R788 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/173456695-dowsil-791-silicone-sealant-grey-310ml)

## Best For

- dowsil enthusiasts

## Why This Product

- Trusted dowsil brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Ready:** 310ml sleek cartridge fits standard sealant guns—perfect for on-the-go pros and weekend warriors
- • **All-Weather Warrior:** Unmatched resistance to UV, ozone, and temperature extremes keeps seals intact year-round
- • **One-Part Simplicity:** Easy-to-use neutral cure formula eliminates mixing hassles for professional finish every time
- • **Fast-Track Flexibility:** Tack-free in just 30 minutes for rapid project turnaround
- • **Universal Bonding Power:** Adheres seamlessly to over 20 exterior substrates including metal, glass, wood, and more

## Overview

The 791 Silicone Sealant Grey 310ml by Dowsil is a premium one-part neutral cure silicone designed for both commercial and domestic exterior applications. It offers rapid tack-free time of 30 minutes, exceptional adhesion across a wide range of materials, and superior weatherproofing against UV, ozone, and temperature fluctuations. Compact and water-resistant, it’s engineered to deliver durable, flexible seals that stand the test of time.

## Description

used for both commercial and domestic applications, and provides excellent adhesion to most exterior substrates. It has excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes

## Features

- Contains Methyltrimethoxysilane. May produce an allergic reaction.
- Safety data sheet available on request.
- One part neutral weatherproofing silicone
- Provides excellent adhesion to most exterior substrates
- Highly flexible and is tack free in just 30 minutes
- Excellent weathering characteristics

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XWMVKSZ |
| Best Sellers Rank | 99,841 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,299 in Sealers |
| Brand | Dowsil |
| Colour | Grey |
| Compatible Material | Brass, Polyvinyl Chloride (PVC), Aluminum, Ceramic, Copper, Glass, Porcelain, Marble, Leather, Alloy Steel, Engineered Wood, Plastic, Stainless Steel, Vinyl, Metal, Fiberglass, Wood, Rubber |
| Country Of Origin | Belgium |
| Customer Reviews | 4.6 4.6 out of 5 stars (14) |
| EU Spare Part Availability Duration | 1 Years |
| Included Components | 791 Silicone Sealant Grey 310ml |
| Item Dimensions | 22.9 x 4.8 x 4.8 centimetres |
| Item Form | Liquid |
| Item Weight | 0.45 Kilograms |
| Manufacturer | Dowsil |
| Manufacturer Part Number | DOW4024909 |
| Material | Silicone |
| Model Number | DOW4024909 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Style Name | Compact |
| Supported Standards | RM |
| Surface Recommendation | Roof |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Dowsil
- **Item dimensions L x W x H:** 22.9 x 4.8 x 4.8 centimetres
- **Item weight:** 0.45 Kilograms
- **Material:** Silicone
- **Style:** Compact

## Images

![Dowsil 791 Silicone Sealant Grey 310ml - Image 1](https://m.media-amazon.com/images/I/31wB6X6iF8L.jpg)
![Dowsil 791 Silicone Sealant Grey 310ml - Image 2](https://m.media-amazon.com/images/I/41uX17+UwUL.jpg)
![Dowsil 791 Silicone Sealant Grey 310ml - Image 3](https://m.media-amazon.com/images/I/41gfuwnRELL.jpg)
![Dowsil 791 Silicone Sealant Grey 310ml - Image 4](https://m.media-amazon.com/images/I/41+BQZPFOLL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- 791 Silicone Sealant Grey 310ml
- Dowsil 791 Sealant Black 310ml
- Dowsil 785N Silicone Sealant, White 310ml

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**Shop now:** [https://www.desertcart.co.za/products/173456695-dowsil-791-silicone-sealant-grey-310ml](https://www.desertcart.co.za/products/173456695-dowsil-791-silicone-sealant-grey-310ml)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-08-28*