---
product_id: 48115090
title: "Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge"
brand: "sika"
price: "€ 41.91"
currency: EUR
in_stock: true
reviews_count: 13
category: "Sika"
url: https://www.desertcart.hr/products/48115090-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine
store_origin: HR
region: Croatia
---

# Marine-grade durability Superior water resistance Multi-surface adhesion Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge

**Brand:** sika
**Price:** € 41.91
**Availability:** ✅ In Stock

## Summary

> ⚓ Seal your voyage with confidence — the ultimate marine adhesive for pros who demand the best!

## Quick Answers

- **What is this?** Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge by sika
- **How much does it cost?** € 41.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/48115090-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine)

## 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

- • **Customizable Finish:** Available in black, white, or grey and can be over-painted to perfectly match your vessel’s aesthetic.
- • **Solvent-Free & Safe:** Eco-conscious, solvent-free composition reduces harmful fumes without compromising strength.
- • **Versatile Adhesion Power:** Bonds seamlessly to wood, metal, plastics, and ceramics for all your boat repair needs.
- • **Unmatched Marine Toughness:** Specifically engineered for the marine environment to withstand fresh and sea water exposure.
- • **Flexible & Vibration-Resistant:** Highly elastic polyurethane formula that stays intact under constant movement and vibrations.

## Overview

Sikaflex 291i is a professional-grade, solvent-free polyurethane sealant and adhesive designed specifically for marine applications. Its high elasticity and strong adhesion make it ideal for sealing and bonding wood, metal, plastics, and ceramics on boats. Resistant to fresh and sea water, limewater, and diluted acids, it ensures durable, flexible seals that withstand harsh marine environments. Available in multiple colors and easy to apply, this 70ml cartridge is trusted by professionals for over 20 years.

## Description

From the manufacturer HOW TO APPLY? Make sure that all the surfaces are degreased and clean. Apply the needed pre-treament. Cut off the tip of the nozzle and apply the sealant with a manual or pneumatic gun. Tool the joint. Sikaflex 291i Marine Sealant and Adhesive Sikaflex 291i Marine Sealant and Adhesive Sikaflex 290 DC PRO Professional Deck Caulking Sikaflex 290 DC PRO Professional Deck Caulking Sikaflex 292i Multipurpose Adhesive Sikaflex 292i Multipurpose Adhesive STRONG SEALS FOR SAFE SAILING OTHER PRODUCTS YOU MIGHT BE INTERESTED IN All-purpose sealant High-strength adhesive Teak deck joint filler Sanitary silicone Everyday silicone sealant Cleaning/Degreasing wipes Sealant remover-smoother Sika your partner for all projects

Review: Used this product for over 20 years - I have been using this product for over 20 years, it does a good job and I would not buy another product.
Review: Quality - Good product

## Features

- May cause an allergic skin reaction.
- SPECIFICALLY DESIGNED FOR THE MARINE MARKET – Highly flexible adhesive and sealant suited for most internal boat sealing applications.
- MULTIPURPOSE – Use it as a sealant or adhesive on wood, metal, ceramics, plastics and more for high grab adhesion and seals.
- HIGHLY ELASTIC – This moisture-curing, non-sag 1-component polyurethane sealant and adhesive is highly flexible and works well in areas prone to strong vibrations.
- PROVIDES PROFESSIONAL-GRADE RESISTANCE – Resistant to fresh water, sea water, limewater, sewage effluent diluted acids and much more providing suitability for repairs and maintenance on boats and marine vehicles.
- MULTIPLE COLOURS AVAILABLE – Choose from black, white or grey to suit your space, or over-paint it when dry.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00UN3UNL0 |
| Best Sellers Rank | 2,212 in DIY & Tools ( See Top 100 in DIY & Tools ) 51 in Sealers |
| Brand | Sika |
| Colour | Black |
| Compatible Material | Metal, Wood, Plastic, Frame |
| Container Type | Tube |
| Country Of Origin | Switzerland |
| Customer Reviews | 4.6 out of 5 stars 904 Reviews |
| Full Cure Time | 48 Hours |
| Included Components | 1x Cartridge |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Sealant and Adhesive |
| Item Volume | 70 Millilitres |
| Item Weight | 0.1 Grams |
| Item form | Paste |
| Manufacturer | Sika Everbuild |
| Manufacturer Part Number | 9091567 |
| Material | Polyurethane |
| Model Number | 291i |
| Other Special Features of the Product | Marine-Specific Resistance and High Elasticity |
| Special feature | Marine-Specific Resistance and High Elasticity |
| Specific Uses For Product | Marine |
| Specific uses for product | Marine |
| Unit Count | 70.0 millilitre |
| Viscosity Level | High |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Sika
- **Item form:** Paste
- **Material:** Polyurethane
- **Special feature:** Marine-Specific Resistance and High Elasticity
- **Specific uses for product:** Marine

## Images

![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge - Image 1](https://m.media-amazon.com/images/I/51oisHrs4-L.jpg)
![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge - Image 2](https://m.media-amazon.com/images/I/71FYOh4bGOL.jpg)
![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge - Image 3](https://m.media-amazon.com/images/I/71+U9ClbgxL.jpg)
![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge - Image 4](https://m.media-amazon.com/images/I/71Vn5q2Q7EL.jpg)
![Sikaflex 291i – Marine Sealant and Adhesive – Specifically Designed for The Marine Market – Solvent Free – Black – 70ml Mini Cartridge - Image 5](https://m.media-amazon.com/images/I/81soYBuq2vL.jpg)

## Available Options

This product comes in different **Color, Style** options.

## Questions & Answers

**Q: Is this any good for sticking treadmaster/rubber anti slip deck sheets on a boat?**
A: Suitability will depend on the rubber unfortunately, would check with the sheet manufacture for the type of adhesive to be used.

**Q: Is this aquarium safe**
A: sadly, no

**Q: Will this stick wood to polypropolene plastic?**
A: Hi, no this is not suitable for polypropylene unfortunately.

**Q: is this suitable to repair a small tear in an above ground swimming pool**
A: No reason for it not to work, I use it all the time to water proof my boat.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Used this product for over 20 years
*by J***O on 4 July 2026*

I have been using this product for over 20 years, it does a good job and I would not buy another product.

### ⭐⭐⭐⭐⭐ Quality
*by F***E on 17 February 2026*

Good product

### ⭐⭐⭐⭐ OK for what I used it for.
*by M***T on 14 March 2026*

I think this did the job, resealing the vapour membrane on BMW doo before refitting the door card. It's NOT an instant grab adhesive but seems to have worked. I left it to cure for 3 days before I fit the card. Only use if ambient temperature is greater than 10c for a few days.

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**Shop now:** [https://www.desertcart.hr/products/48115090-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine](https://www.desertcart.hr/products/48115090-sikaflex-291i-marine-sealant-and-adhesive-specifically-designed-for-marine)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-17*