---
product_id: 644373953
title: "300g Invisible Waterproof Sealant, Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, For Roof,Bathroom, Patio Sealer Outdoor, Indoor"
brand: "roujaenin"
price: "€ 33.24"
currency: EUR
in_stock: true
reviews_count: 8
category: "Roujaenin"
url: https://www.desertcart.fi/products/644373953-300g-invisible-waterproof-sealant-anti-leaking-clear-insulation-sealant-super
store_origin: FI
region: Finland
---

# 300g super-strong waterproof sealant Wide temperature resistance - no melting or cracking Works on all surfaces: wood, tile, concrete & more 300g Invisible Waterproof Sealant, Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, For Roof,Bathroom, Patio Sealer Outdoor, Indoor

**Brand:** roujaenin
**Price:** € 33.24
**Availability:** ✅ In Stock

## Summary

> 💧 Seal the deal with invisible strength—leaks don’t stand a chance!

## Quick Answers

- **What is this?** 300g Invisible Waterproof Sealant, Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, For Roof,Bathroom, Patio Sealer Outdoor, Indoor by roujaenin
- **How much does it cost?** € 33.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/644373953-300g-invisible-waterproof-sealant-anti-leaking-clear-insulation-sealant-super)

## Best For

- roujaenin enthusiasts

## Why This Product

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

## Key Features

- • **Instant Leak Defense:** Brush on once or twice for immediate, long-lasting waterproof protection
- • **All-Season Durability:** Withstands scorching summers and freezing winters without yellowing or peeling
- • **Multi-Surface Mastery:** Perfect adhesion on wood, marble, brick, roofs, patios, indoors & outdoors
- • **Effortless Application:** No mess, no fuss—just brush, seal, and forget about leaks
- • **Invisible & Ultra-Clear Finish:** Seals leaks without compromising your space’s sleek look

## Overview

The ROUJAENIN 300g Invisible Waterproof Sealant is a clear, silicone-based liquid designed for superior leak prevention across multiple surfaces. It forms a durable, invisible barrier that resists water, air, and moisture while enduring extreme temperatures without cracking or yellowing. Ideal for indoor and outdoor use on roofs, bathrooms, patios, and more, this easy-to-apply sealant offers immediate and long-lasting protection, making it a must-have for any professional or DIY enthusiast aiming to safeguard their space with style.

## Description

300g Invisible Waterproof Sealant, Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, For Roof,Bathroom, Patio Sealer Outdoor, Indoor : desertcart.co.uk: DIY & Tools

Review: Good product - Works well Easy to use But wash the supplied brush straight after use
Review: Good product - This product appears to work well and is water resistant, seals where needed.

## Features

- [EFFICIENT LEAK PREVENTION]] -ROUJAENIN Waterproofing clear silicone sealant penetrates into joints, cracks, and then seal all damaged surfaces. The clear waterproof sealant forms a thin film that cuts out air, water and moisture. Does not affect appearance
- [WORKS ON ALL SURFACE] - This ROUJAENIN 300g Transparent waterproof seam sealer works on wood, tiles, brick,marble, concrete, roof, outdoor or indoor.
- [WIDE RAGE TEMPERATURE RESISTANT]- ROUJAENIN waterproof sealant glue has a effective adhesion and seem sealing effect, innovative sealing powerful paste will not melt in the hot summer, and will not crack or peel in the cold winter. This adhesive sealant becomes clear after use and will not turn yellow over time
- [PROTECTIVE FILM]- Strong adhesion and sealing effect of clear silicone sealant waterproof , the effect is immediate and lasts for many years. this clear leak sealer can protect the surface from water and various liquids.
- [EASY TO USE ] - just brush 1 or seral times on the desired surface with bathroom sealant, and it's done. Immediately and effectively seal leaks and solves the leaking problems in cracked walls, ceilings, roofs, patio.,etc.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D6BFDS2G |
| Best Sellers Rank | 1,563 in DIY & Tools ( See Top 100 in DIY & Tools ) 46 in Sealers |
| Brand | ROUJAENIN |
| Colour | Clear |
| Compatible Material | Rubber |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 642 Reviews |
| Included Components | Sealant |
| Item Form | Liquid |
| Item Weight | 300 Grams |
| Item form | Liquid |
| Item weight | 300 Grams |
| Manufacturer | ROUJAENIN |
| Material | Silicone |
| Style | Silicone |
| Style Name | Silicone |
| Surface Recommendation | [MULTIPLE] |
| Unit Count | 300.0 gram |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |

## Product Details

- **Brand:** ROUJAENIN
- **Item weight:** 300 Grams
- **Material:** Silicone
- **Style:** Silicone
- **Water resistance level:** Waterproof

## Images

![300g Invisible Waterproof Sealant, Anti-Leaking Clear Insulation Sealant Super Strong Anti-Leakage Agent, For Roof,Bathroom, Patio Sealer Outdoor, Indoor - Image 1](https://m.media-amazon.com/images/I/71rviO9DFwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product
*by C***T on 1 February 2026*

Works well Easy to use But wash the supplied brush straight after use

### ⭐⭐⭐⭐ Good product
*by S***Y on 29 January 2026*

This product appears to work well and is water resistant, seals where needed.

### ⭐⭐⭐⭐⭐ Recommend
*by M***N on 21 January 2026*

Good product and so easy to use

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.fi/products/644373953-300g-invisible-waterproof-sealant-anti-leaking-clear-insulation-sealant-super](https://www.desertcart.fi/products/644373953-300g-invisible-waterproof-sealant-anti-leaking-clear-insulation-sealant-super)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-02-24*