---
product_id: 51946952
title: "Bostik Flexacryl Instant Repair – Black"
brand: "bostik"
price: "฿14424"
currency: THB
in_stock: null
reviews_count: 4
url: https://www.desertcart.co.th/products/51946952-bostik-flexacryl-instant-repair-black
store_origin: TH
region: Thailand
---

# Instant waterproofing in one coat Applies on wet or dry surfaces Flexible with fiber reinforcement Bostik Flexacryl Instant Repair – Black

**Brand:** bostik
**Price:** ฿14424
**Availability:** ❌ Out of Stock

## Summary

> 💪 Seal it fast, seal it smart—roof repair redefined!

## Quick Answers

- **What is this?** Bostik Flexacryl Instant Repair – Black by bostik
- **How much does it cost?** ฿14424 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/51946952-bostik-flexacryl-instant-repair-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

- • **All-Weather Ready:** Works flawlessly on damp or dry surfaces, so your emergency fix is never delayed.
- • **Matte Black Finish:** Sleek, professional look that blends seamlessly with flat roofs and gutters.
- • **Compact & Efficient:** 5kg pack covers large areas quickly, making it perfect for fast, reliable repairs.
- • **One-Coat Instant Seal:** Get immediate waterproof protection with a single application—no waiting, no hassle.
- • **Fiber-Infused Flexibility:** Bridges cracks and gaps with durable, flexible fibers that last through seasons.

## Overview

Bostik Flexacryl Instant Repair is a 5kg acrylic-based waterproof compound designed for flat roofs and gutters. It provides immediate, one-coat waterproofing on wet or dry surfaces, featuring fiber reinforcement for flexible, crack-resistant durability with a matte black finish.

## Description

BostikFlexacryl Instant Repair Waterproof Compound for Flat Roofs, Colour: Black, 5kg

## Features

- 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 |
|---------------|-------|
| Manufacturer | Bostik |
| Part Number | 30811957 |
| Product Dimensions | 17.9 x 17.9 x 23.3 cm; 4.88 kg |
| Item model number | 30811957 |
| Size | 1 kg (Pack of 1) |
| Colour | Black |
| Style | Compact |
| Finish | Matte |
| Material | Acrylic-Based |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Measurement System | Metric |
| Coverage | one-coat waterproofing |
| Included Components | 1x Bostik Flexacryl Instant Repair for Flat Roofs, Colour: Black, 5kg |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 4.88 kg |

## Product Details

- **Brand:** Bostik
- **Colour:** Black
- **Finish type:** Matte
- **Size:** 1 kg (Pack of 1)
- **Item volume:** 5 Kilograms
- **Unit count:** 1000.0 gram(s)
- **Paint type:** Waterproof Compound
- **Surface recommendation:** Roof
- **Indoor/Outdoor usage:** Outdoor
- **Item form:** Paste

## Images

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ Five Stars
*by B***N on 29 June 2016*

Excellent quality even seals in the damp

## 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.co.th/products/51946952-bostik-flexacryl-instant-repair-black](https://www.desertcart.co.th/products/51946952-bostik-flexacryl-instant-repair-black)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-24*