---
product_id: 584993427
title: "Dowsil 791 Sealant Black 310ml (Pack of 2)"
brand: "dowsil"
price: "8524 kr"
currency: ISK
in_stock: true
category: "Dowsil"
url: https://www.desertcart.is/products/584993427-dowsil-791-sealant-black-310ml-pack-of-2
store_origin: IS
region: Iceland
---

# 20-30 min working time Fast cure, tack-free in 2 hrs Withstands extreme temps Dowsil 791 Sealant Black 310ml (Pack of 2)

**Brand:** dowsil
**Price:** 8524 kr
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal smart, seal fast — don’t let leaks cramp your style!

## Quick Answers

- **What is this?** Dowsil 791 Sealant Black 310ml (Pack of 2) by dowsil
- **How much does it cost?** 8524 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/584993427-dowsil-791-sealant-black-310ml-pack-of-2)

## 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

- • **Rapid Ready:** Fast curing formula that’s tack-free in just 2 hours—get back to work faster
- • **Sleek & Seamless:** Deep black finish blends flawlessly with outdoor surfaces for a discreet, durable seal
- • **Weatherproof Warrior:** Engineered to resist harsh weather and radiation for lasting protection
- • **ISO Certified Confidence:** Meets ISO 11600-25lm & ISO 9047 Class 50 standards for professional-grade reliability
- • **Precision Working Window:** Generous 20-30 minutes working time to perfect your seal

## Overview

Dowsil 791 Sealant Black (310ml, Pack of 2) is a premium silicone-based weatherproof sealant designed for professional and DIY use. It offers excellent resistance to temperature extremes and radiation, with a convenient 20-30 minute working time and fast curing—tack-free in 2 hours. Certified to ISO standards, it provides a durable, flexible, and water-resistant seal ideal for outdoor applications like roofing and rubber surfaces, all in a sleek black finish.

## Description

Free delivery and returns on all eligible orders. Shop Dowsil 791 Sealant Black 310ml (Pack of 2).

## Features

- The information below applies to each unit in the pack
- Excellent weathering characteristics
- Resistance to radiation and temperature extremes
- 20-30 minutes working time
- Fast cure - tack free in 2 hours
- Confirms to ISO 11600-25lm and meets ISO specification 9047 Class 50

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CLRLV11W |
| Best Sellers Rank | 25,820 in DIY & Tools ( See Top 100 in DIY & Tools ) 466 in Sealers |
| Brand | Dowsil |
| Colour | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.4 4.4 out of 5 stars (351) |
| Included Components | 1 x tube of Dow Corning 791 in Black. |
| Item Dimensions | 50 x 50 x 235 millimetres |
| Item Form | Liquid |
| Item Type Name | External Weatherproofing Sealant |
| Item Weight | 0.74 Kilograms |
| Manufacturer | Dow Corning |
| Manufacturer Part Number | 4024907/C05 |
| Material | Silicone |
| Model Number | 4024907/C05 |
| Number of Items | 2 |
| Number of Packs | 2 |
| Product Warranty | No guarentee |
| Style Name | Compact |
| Surface Recommendation | Roof |
| Unit Count | 620.0 millilitre |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Dowsil
- **Item dimensions L x W x H:** 50 x 50 x 235 millimetres
- **Item weight:** 0.74 Kilograms
- **Material:** Silicone
- **Style:** Compact

## Images

![Dowsil 791 Sealant Black 310ml (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/61oPoH9zuHL.jpg)

## Available Options

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

## Frequently Bought Together

- Dowsil 791 Sealant Black 310ml (Pack of 2)
- Dowsil 785N Silicone Sealant, White 310ml
- 791 Silicone Sealant Grey 310ml

---

## 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.is/products/584993427-dowsil-791-sealant-black-310ml-pack-of-2](https://www.desertcart.is/products/584993427-dowsil-791-sealant-black-310ml-pack-of-2)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-10-19*