---
product_id: 51946952
title: "Bostik Flexacryl Instant Repair for Flat Roofs – Black"
brand: "bostik"
price: "10120541₫"
currency: VND
in_stock: null
reviews_count: 5
category: "Bostik"
url: https://www.desertcart.vn/products/51946952-bostik-flexacryl-instant-repair-for-flat-roofs-black
store_origin: VN
region: Vietnam
---

# Instant waterproofing, one coat Applies on damp or dry surfaces Flexible & fiber-reinforced for gap bridging Bostik Flexacryl Instant Repair for Flat Roofs – Black

**Brand:** bostik
**Price:** 10120541₫
**Availability:** ❌ Out of Stock

## Summary

> 💪 Seal it fast, seal it smart — your roof’s instant armor!

## Quick Answers

- **What is this?** Bostik Flexacryl Instant Repair for Flat Roofs – Black by bostik
- **How much does it cost?** 10120541₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/51946952-bostik-flexacryl-instant-repair-for-flat-roofs-black)

## Best For

- bostik enthusiasts

## Why This Product

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

## Key Features

- • **Matte Black Finish:** Seamlessly blends with flat roofs and gutters for a sleek, professional look.
- • **Works Rain or Shine:** Apply confidently on wet or dry surfaces—perfect for unpredictable weather emergencies.
- • **Compact 5kg Power Pack:** Generous size for multiple repairs or full coverage, designed for serious DIY pros and managers who demand reliability.
- • **One-Coat Instant Shield:** Get immediate waterproof protection with a single application—no waiting, no fuss.
- • **Flexible Fiber-Infused Formula:** Engineered with fibers to bridge cracks and flex with your roof’s movements for long-lasting durability.

## Overview

Bostik Flexacryl Instant Repair is a high-performance, acrylic-based waterproof compound designed for flat roofs and gutters. Its one-coat application delivers immediate, flexible, and fiber-reinforced waterproofing that works on both damp and dry surfaces. Packaged in a convenient 5kg size with a matte black finish, it’s the go-to solution for emergency roof repairs and long-lasting protection.

## Description

Free delivery and returns on all eligible orders. Shop Bostik Flexacryl Instant Repair Waterproof Compound for Flat Roofs, Colour: Black, 5kg.

Review: Good waterproofing for flat roofs - Brilliant stuff just very sticky and just throw brush away when finished
Review: doesn't go on as well on a damp surface so best wait for a dry day - I have used alot of this product recently.doesn't go on as well on a damp surface so best wait for a dry day. I have no hesitation in buying more when the time comes.

## Features

- Flammable liquid and vapour.
- A high performance, instant roof repair compound, ideal for emergency repairs or general waterproofing
- One coat application providing immediate waterproofing
- For wet or dry surfaces, Can be applied in damp conditions
- Flexible and long lasting, Contains fibres to bridge gaps
- Contents: 1x Bostik Flexacryl Instant Repair for Flat Roofs, Colour: Black, 5kg

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00G96Y8RU |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 126,532 in DIY & Tools ( See Top 100 in DIY & Tools ) 141 in Waterproofers |
| Colour | Black |
| Coverage | one-coat waterproofing |
| Customer Reviews | 4.7 4.7 out of 5 stars (12) |
| Date First Available | 28 Oct. 2013 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Finish | Matte |
| Included Components | 1x Bostik Flexacryl Instant Repair for Flat Roofs, Colour: Black, 5kg |
| Item Package Quantity | 1 |
| Item Weight | 4.88 kg |
| Item model number | 30811957 |
| Manufacturer | Bostik |
| Material | Acrylic-Based |
| Measurement System | Metric |
| Number of Pieces | 1 |
| Part Number | 30811957 |
| Product Dimensions | 17.9 x 17.9 x 23.3 cm; 4.88 kg |
| Size | 1 kg (Pack of 1) |
| Special Features | Long Lasting, Flexible |
| Style | Compact |
| Usage | Flat Roofs and Gutters |

## Product Details

- **Brand:** Bostik
- **Colour:** Black
- **Finish type:** Matte
- **Item volume:** 5 Kilograms
- **Paint type:** Waterproof Compound
- **Size:** 1 kg (Pack of 1)
- **Special feature:** Long Lasting, Flexible
- **Specific uses for product:** Flat Roofs and Gutters
- **Surface recommendation:** Roof
- **Unit count:** 1000.0 gram

## Images

![Bostik Flexacryl Instant Repair for Flat Roofs – Black - Image 1](https://m.media-amazon.com/images/I/61kGhiFC6AL.jpg)
![Bostik Flexacryl Instant Repair for Flat Roofs – Black - Image 2](https://m.media-amazon.com/images/I/81x3EeKWZvL.jpg)
![Bostik Flexacryl Instant Repair for Flat Roofs – Black - Image 3](https://m.media-amazon.com/images/I/71s7IrvWU1L.jpg)
![Bostik Flexacryl Instant Repair for Flat Roofs – Black - Image 4](https://m.media-amazon.com/images/I/71XO0qRhBVL.jpg)
![Bostik Flexacryl Instant Repair for Flat Roofs – Black - Image 5](https://m.media-amazon.com/images/I/916tv9ikg8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good waterproofing for flat roofs
*by D***E on 22 November 2025*

Brilliant stuff just very sticky and just throw brush away when finished

### ⭐⭐⭐⭐⭐ doesn't go on as well on a damp surface so best wait for a dry day
*by M***L on 4 September 2016*

I have used alot of this product recently.doesn't go on as well on a damp surface so best wait for a dry day. I have no hesitation in buying more when the time comes.

### ⭐⭐⭐⭐⭐ Five Stars
*by M***R on 1 October 2015*

This is great just what it says on the tin would recommend

## Frequently Bought Together

- Bostik Flexacryl Instant Repair Waterproof Compound for Flat Roofs, Colour: Black, 5kg
- Harris Essentials Masonry Paint Brush, 4",Black

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**Shop now:** [https://www.desertcart.vn/products/51946952-bostik-flexacryl-instant-repair-for-flat-roofs-black](https://www.desertcart.vn/products/51946952-bostik-flexacryl-instant-repair-for-flat-roofs-black)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*