---
product_id: 735171515
title: "Sikaflex-291, Black, General Purpose Fast Curing Marine Adhesive and Sealant Polyurethane Sealant for Boats, 10.1 fl oz Cartridge"
brand: "sika"
price: "€ 12206.86"
currency: EUR
in_stock: false
reviews_count: 5
category: "Sika"
url: https://www.desertcart.com.cy/products/735171515-sikaflex-291-black-general-purpose-fast-curing-marine-adhesive-sealant
store_origin: CY
region: Cyprus
---

# Marine-grade polyurethane strength Water & fuel resistant seal Skin forms in ~60 minutes Sikaflex-291, Black, General Purpose Fast Curing Marine Adhesive and Sealant Polyurethane Sealant for Boats, 10.1 fl oz Cartridge

**Brand:** sika
**Price:** € 12206.86
**Availability:** ❌ Out of Stock

## Summary

> ⚓ Seal the deal with Sikaflex-291 — where marine strength meets speedy precision!

## Quick Answers

- **What is this?** Sikaflex-291, Black, General Purpose Fast Curing Marine Adhesive and Sealant Polyurethane Sealant for Boats, 10.1 fl oz Cartridge by sika
- **How much does it cost?** € 12206.86 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/735171515-sikaflex-291-black-general-purpose-fast-curing-marine-adhesive-sealant)

## Best For

- sika enthusiasts

## Why This Product

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

## Key Features

- • **Built for the Waves:** Formulated specifically for marine environments, ensuring unmatched durability and vibration resistance ⚓
- • **Effortless Application:** Compatible with manual, pneumatic, and electronic piston guns for quick, precise, and mess-free use
- • **Corrosion? Not a Chance:** Resistant to dilute acids and caustic solutions, delivering long-lasting, corrosion-proof seals
- • **Fast-Track Your Repairs:** Starts curing immediately on contact with air moisture, developing a protective skin in about an hour ⏱️
- • **Unyielding Water Defense:** Maintains peak performance in both freshwater and saltwater, resisting water, fuel, and oil damage 💧

## Overview

Sikaflex-291 is a black, one-part polyurethane marine adhesive and sealant designed for fast curing and superior water resistance. Ideal for boats and marine construction, it forms strong, vibration-resistant seals that withstand freshwater, saltwater, fuel, and corrosive environments. Packaged in a 10.1 fl oz cartridge compatible with various applicators, it cures to a sandable, paintable finish meeting international maritime standards.

## Description

Sikaflex-291 adhesive and sealant provide the best solution for safe seals in marine environments that won't degrade when exposed to water. A versatile sealant that creates a strong and stable bond of common marine buildings, such as wood, metal, ceramic materials, plastic, metal primer and paint coatings. Ideal for flexible and vibration resistant joint seals, and a variety of interior applications. Once applied, you can sand the sealant and finish it with paint to achieve a truly professional sheen. Meets International Maritime Standards and ISO 9001/14001

Review: Perfect for SportsPal aluminum canoe repair
Review: Would buy again

## Features

- BOAT CHOICE - Formulated for marine construction, this one-part polyurethane adhesive creates a strong, resilient, vibration-resistant joint seal
- QUICK CURE FOR QUICK WORKING - When exposed to air moisture, it starts to cure immediately and develops skin within about 60 minutes depending on environmental factors such as humidity
- Highly Resistant to Water Damage - Whether in freshwater or saltwater, this Sikaflex marine sealant is resistant to damage and maintains peak performance. It is also resistant to fuel and oil for a limited period of time
- DURABLE AND CORROSION RESISTANT - Sika-291 marine sealant and adhesive won't wear out when exposed to most dilute acids and caustic solutions. Enjoy long-lasting performance
- QUICK AND EASY - The Sikaflex-291 comes in a convenient size cartridge that connects to manual, pneumatic and electronic piston guns. Just point it at the desired location

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00C501KD4 |
| Amazon Bestseller | #169,254 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #17,437 in Adhesives & Sealants |
| Brand | SIKA |
| Brand Name | SIKA |
| Color | Black |
| Compatible Material | Aluminum |
| Container Type | Cartridge |
| Customer Reviews | 4.3 out of 5 stars 459 Your Review |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00033886005272 |
| Included Components | Sealant |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Weight | 10.1 Ounces |
| Manufacturer | Sika USA |
| Material | Polyurethane |
| Material Type | Polyurethane |
| Model | 90923 |
| Other Special Features of the Product | Water Resistant |
| Special Feature | Water Resistant |
| Specific Uses For Product | Marine |
| UPC | 033886005272 |
| Unit Count | 10.1 Count |
| Viscosity | High Viscosity Paste |
| Volume | 10.1 Fluid Ounces |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** SIKA
- **Item Form:** Gel
- **Material:** Polyurethane
- **Special Feature:** Water Resistant
- **Specific Uses For Product:** Marine

## Images

![Sikaflex-291, Black, General Purpose Fast Curing Marine Adhesive and Sealant Polyurethane Sealant for Boats, 10.1 fl oz Cartridge - Image 1](https://m.media-amazon.com/images/I/71EkVlxGSIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect for SportsPal aluminum canoe repair
*by B***R on November 25, 2024*



### ⭐⭐⭐⭐⭐ Would buy again
*by L***A on November 11, 2025*



### ⭐⭐⭐⭐⭐ Adhesive
*by A***R on August 16, 2024*



## Frequently Bought Together

- Sikaflex-291, Black, General All-Purpose Fast Cure Marine Adhesive and sealant. Polyurethane sealant for Boats, 10.1 fl. oz Cartridge
- Sika Sikaflex-291 LOT - General All-Purpose Adhesive and sealant, Black - Marine Use - Elastic and Non-Corrosive - 10.1 fl. oz.

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**Shop now:** [https://www.desertcart.com.cy/products/735171515-sikaflex-291-black-general-purpose-fast-curing-marine-adhesive-sealant](https://www.desertcart.com.cy/products/735171515-sikaflex-291-black-general-purpose-fast-curing-marine-adhesive-sealant)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-03-16*