--- product_id: 308868767 title: "Everbuild AC50 | High Strength Acoustic Sealant & Adhesive for Sealing and Bonding Plasterboards and Insulation Boards - 380ml - White" brand: "sika" price: "193.69 DT" currency: TND in_stock: true category: "Sika" url: https://www.desertcart.tn/products/308868767-everbuild-ac50-high-strength-acoustic-sealant-and-adhesive-for-sealing store_origin: TN region: Tunisia --- # Acoustic barrier formation High strength bonding Mould resistant & non-flammable Everbuild AC50 | High Strength Acoustic Sealant & Adhesive for Sealing and Bonding Plasterboards and Insulation Boards - 380ml - White **Brand:** sika **Price:** 193.69 DT **Availability:** ✅ In Stock ## Summary > 🔧 Seal smart, sound sharp — the ultimate acoustic ally! ## Quick Answers - **What is this?** Everbuild AC50 | High Strength Acoustic Sealant & Adhesive for Sealing and Bonding Plasterboards and Insulation Boards - 380ml - White by sika - **How much does it cost?** 193.69 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/308868767-everbuild-ac50-high-strength-acoustic-sealant-and-adhesive-for-sealing) ## 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 - • **Overpaintable Finish:** Seamlessly integrates with your design for a flawless look - • **Multi-Surface Adhesion:** Bonds plasterboard, wood, metal studding, and blockwork with ease - • **Permanently Flexible Sealant:** Maintains flexibility to prevent cracks and gaps over time - • **Superior Acoustic Performance:** Creates an effective sound barrier for quieter, more peaceful spaces - • **Mould Resistant & Non-Flammable:** Ensures durability and safety in all environments ## Overview Everbuild AC50 is a high strength, permanently flexible acoustic sealant and adhesive designed to bond and seal plasterboard and kraft lined insulation boards to various substrates. It forms a durable acoustic barrier, resists mould, is non-flammable, water resistant, and can be overpainted for a clean finish, making it ideal for professional-grade soundproofing and construction projects. ## Description Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive is a high strength, permanently flexible acoustic sealant and adhesive. As an adhesive the formula is designed to bond plasterboard to plasterboard and other common substrates including blockwork, wood and metal studding . Also for sealing and bonding most Kraft lined insulation boards. The sealant properties of this formula enable it to remain permanently flexible whilst being resistant to mould, non flammable and over paintable. The combination of these two elements of the Everflex AC50 Contract Acoustic Sealant and Adhesive formula create an acoustic barrier when used correctly. ## Features - C50 is a high strength, permanently flexible acoustic sealant and adhesive specifically formulated for sealing and bonding plasterboard and other kraft lined insulation boards to common substrates. - To form an acoustic barrier by sealing gaps between plasterboard walls, floors and ceilings and in dry lining applications. - When used as a sealant this formula remains permanently flexible whilst being resistant to mould, non flammable and over paintable. - As an adhesive to bond plasterboard to plasterboard, wood and metal studding and direct to blockwork. For sealing and bonding most other Kraft lined insulation boards. - All surfaces must be clean and dust free. All loose or flaking surface coatings, and old sealant and mastic joints, should be removed before application. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0012RLYJ6 | | ASIN | B0012RLYJ6 | | Best Sellers Rank | #122,518 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #543 in Cyanoacrylate Adhesives #635 in Hardware Sealers | | Brand Name | SIKA | | Color | White | | Compatible Material | Plasterboard, Kraft Lined Insulation Boards, Common Substrates, Most Surfaces | | Customer Reviews | 4.4 4.4 out of 5 stars (503) | | Customer reviews | 4.4 4.4 out of 5 stars (503) | | Date First Available | 6 August 2012 | | Global Trade Identification Number | 05029347600358, 05029347903268 | | Included Components | 1 x cartridge | | Is Discontinued By Manufacturer | No | | Item Dimensions | 32 x 38 x 254 millimeters | | Item Form | Paste | | Item Type Name | Acoustic Sealant | | Item Weight | 0.64 Kilograms | | Item model number | AC50C4 | | Manufacturer | Sika Everbuild | | Manufacturer | Sika Everbuild | | Material Type | Acrylic | | Model | AC50C4 | | Number of Items | 12 | | Number of Packs | 1 | | Part Number | AC50C4 | | Product Dimensions | 3.2 x 3.81 x 25.4 cm; 639.56 g | | Style Name | Compact | | Surface Recommendation | Wall | | Unit Count | 380.0 Milliliters | | Water Resistance Level | Water Resistant | ## Product Details - **Brand:** SIKA - **Item dimensions L x W x H:** 32 x 38 x 254 millimeters - **Item weight:** 0.64 Kilograms - **Material:** Acrylic - **Style:** Compact ## Images ![Everbuild AC50 | High Strength Acoustic Sealant & Adhesive for Sealing and Bonding Plasterboards and Insulation Boards - 380ml - White - Image 1](https://m.media-amazon.com/images/I/71SM3q2goQL.jpg) ## Available Options This product comes in different **Color, Item Package Quantity** options. ## Frequently Bought Together - Everbuild Everflex AC50 Contract Acoustic Sealant and Adhesive, White, 380 ml - Advanced Acoustics Premium Mass Loaded Vinyl Soundproofing Mat - 1.25m x 3m - 5kg/sqm - 2mm Thin - Everbuild Stick 2 All Purpose High Bond Strength Contact Spray Adhesive, 500 ml, Beige --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/308868767-everbuild-ac50-high-strength-acoustic-sealant-and-adhesive-for-sealing](https://www.desertcart.tn/products/308868767-everbuild-ac50-high-strength-acoustic-sealant-and-adhesive-for-sealing) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-15*