---
product_id: 48117676
title: "Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml"
brand: "everbuild"
price: "7488 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/48117676-everbuild-everflex-ac50-contract-acoustic-sealant-and-adhesive-white-900
store_origin: KG
region: Kyrgyzstan
---

# Acoustic barrier certified High strength bonding Mould resistant & non-flammable Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml

**Brand:** everbuild
**Price:** 7488 som
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal smart, sound sharp – the pro’s choice for flexible, high-performance acoustic sealing!

## Quick Answers

- **What is this?** Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml by everbuild
- **How much does it cost?** 7488 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/48117676-everbuild-everflex-ac50-contract-acoustic-sealant-and-adhesive-white-900)

## Best For

- everbuild enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Strength 💪:** Bonds plasterboard, wood, metal & blockwork with permanent flexibility.
- • **Seamless Finish Ready 🎨:** Overpaintable formula ensures your project looks flawless and polished.
- • **Effortless Application 🚀:** Compatible with JUMBO sealant guns for quick, precise, and mess-free use.
- • **Certified Acoustic Shield 🎧:** Creates a soundproof barrier meeting BS EN ISO 140/3 standards for professional-grade noise control.
- • **Safe & Durable Protection 🛡️:** Mould resistant, non-flammable, and solvent-free for worry-free interior use.

## Overview

Everbuild Everflex AC50 is a 900ml high-strength, permanently flexible silicone sealant and adhesive designed for interior use. It bonds multiple substrates including plasterboard, wood, and metal, while providing a certified acoustic barrier to BS EN ISO 140/3 standards. This mould-resistant, non-flammable, solvent-free formula is overpaintable and ideal for professional-grade soundproofing and sealing applications.

## Description

Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml

## Features

- High strength, permanently flexible acoustic sealant and adhesive
- When used as an adhesive the formula bonds plasterboard to plasterboard and other common substrates including blockwork, wood and metal studding
- When used as a sealant this formula remains permanently flexible whilst being resistant to mould, non flammable and over paintable
- Using Everbuild Everflex AC50 as both a sealant and a adhesives in a area creates an acoustic barrier to S EN ISO 140/3 standard when applied correctly
- Apply using a JUMBO sealant gun

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sika Everbuild |
| Part Number | EVBAC50900 |
| Product Dimensions | 7 x 7 x 39.5 cm; 734.82 g |
| Item model number | AC50900-EBD |
| Size | 900ml |
| Colour | White |
| Style | Original Packaging |
| Material | Silicone |
| Item Package Quantity | 1 |
| Number of Pieces | 9 |
| Included Components | 1 x cartridge |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 735 g |

## Product Details

- **Brand:** Everbuild
- **Material:** Silicone
- **Item form:** Liquid
- **Colour:** White
- **Item package quantity:** 1

## Images

![Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml - Image 1](https://m.media-amazon.com/images/I/51EMqYoGsUL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## Questions & Answers

**Q: Is this a solvent free adhesive?**
A: For all intents and purposes yes. It is water based acrylic.
From manufacturer: Contains a plasticised  water based acrylic emulsion with dense fillers, very minor amounts of white spirits (ca. 1%), dispersants, bocides, and acrylic associate thickeners.
Ingredients:LOW BOILING POINT HYDROGEN TREATED NAPHTHA - NAPHTHA (PETROLEUM), HYDRODESULPHURIZED HEAVY  1-10%CAS: 64742-82-1  EINECS: 265-185-4  [-] R10;  [N] R51/53;  [Xn] R65

**Q: Could I use this to seal gaps between floor boards before covering with Ply and Vinyl tiles?**
A: Yes, I have used to seal gap between skirting and floor boards. Gaps between boards and gap between floorboard and central heating pipes going to radiator. Give it time to cure before covering with ply. Depending on thickness / temperature it may need a couple of days.

**Q: number of pieces: 9". does this mean i get 9 x 900ml tubes for my £14.51?**
A: No, not for £14.51!

**Q: How long can the sealant be used after cutting the nozel**
A: Hi, when you have finished using the product then you should seal the nozzle as well as possible to prevent air getting to it. How long this lasts depends on how air-tight it has been sealed.

## Frequently Bought Together

- Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 900 ml
- Advanced Acoustics Premium Mass Loaded Vinyl Soundproofing Mat - 1.25m x 3m - 5kg/sqm - 2mm Thin
- Everbuild Jumbo Sealant/Adhesive Applicator Gun for Cartridges – For all 900ml

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**Shop now:** [https://www.desertcart.kg/products/48117676-everbuild-everflex-ac50-contract-acoustic-sealant-and-adhesive-white-900](https://www.desertcart.kg/products/48117676-everbuild-everflex-ac50-contract-acoustic-sealant-and-adhesive-white-900)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-01-25*