--- product_id: 220578198 title: "Rockwool Acoustic Intumescent Sealant 310ml off white" brand: "rockwool" price: "€ 23.30" currency: EUR in_stock: true category: "Rockwool" url: https://www.desertcart.gr/products/220578198-rockwool-acoustic-intumescent-sealant-310ml-off-white store_origin: GR region: Greece --- # acoustic sealing for noise reduction 4 hours fire protection compatible with multiple substrates Rockwool Acoustic Intumescent Sealant 310ml off white **Brand:** rockwool **Price:** € 23.30 **Availability:** ✅ In Stock ## Summary > 🔥 Seal the deal with fireproof, soundproof, and waterproof confidence! ## Quick Answers - **What is this?** Rockwool Acoustic Intumescent Sealant 310ml off white by rockwool - **How much does it cost?** € 23.30 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/220578198-rockwool-acoustic-intumescent-sealant-310ml-off-white) ## Best For - rockwool enthusiasts ## Why This Product - Trusted rockwool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Fit:** Handles joint movement up to 50mm wide without cracking or losing integrity. - • **Silent Strength:** Acoustically tested to reduce noise transmission through party walls and partitions. - • **Fireproof Confidence:** Up to 4 hours of certified fire resistance to keep your spaces safe and compliant. - • **Waterproof Durability:** Gel-paste formula ensures lasting protection against moisture and air leakage. - • **Versatile Compatibility:** Seals joints on glass, metal, plastic, and wood for seamless integration. ## Overview Rockwool Acoustic Intumescent Sealant is a high-performance polyurethane gel designed for fire-rated joints and service penetrations. Tested to BS476 Parts 20 and 22, it offers up to 4 hours of fire protection in joints up to 30mm wide, while also providing acoustic sealing and waterproofing. Compatible with multiple substrates including glass, metal, plastic, and wood, it supports joint movement up to 50mm and is ideal for fire walls, partitions, door frames, and glazing systems. ## Description As part of the comprehensive FirePro range of fire protection products, Rockwool Acoustic Intumescent Sealant is suitable for sealing joints and service penetrations in fire walls, partitions, fire rated door frames and glazing systems. Tested to BS476 Parts 20 and 22. Rockwool Acoustic Intumescent Sealant provides up to 4 hours fire protection in joints of up to 30mm width. In addition to the fire rating the sealant may be used to seal joints in party walls to provide an acoustic seal. Advantages Up to 4 hours fire protection Acoustically tested Air leakage tested Suitable for linear joints up to 50mm wide Suitable with multiple substrates and services Increased movement capability Available as a trowel grade option ## Features - Contains sensitizing substances. May produce an allergic reaction. - Rockwool Acoustic Intumescent Sealant 310ml off white - product type: CAULKS - Color: off white ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08BLGTBP2 | | Best Sellers Rank | 43,271 in DIY & Tools ( See Top 100 in DIY & Tools ) 658 in Sealers | | Brand | Rockwool | | Colour | off white | | Compatible Material | Glass, Metal, Plastic, Wood | | Customer Reviews | 4.4 4.4 out of 5 stars (98) | | Item Form | Gel, Paste | | Manufacturer | Rockwool | | Manufacturer Part Number | Date on tube is Manufacturing date | | Material | Polyurethane | | Number of Items | 1 | | Number of Packs | 1 | | Style Name | Protection | | Surface Recommendation | Door,Walls | | Unit Count | 310.0 millilitre | | Water Resistance Level | Waterproof | ## Product Details - **Brand:** Rockwool - **Item form:** Gel, Paste - **Material:** Polyurethane - **Style:** Protection - **Water resistance level:** Waterproof ## Images ![Rockwool Acoustic Intumescent Sealant 310ml off white - Image 1](https://m.media-amazon.com/images/I/41gAfLWfCRL.jpg) ![Rockwool Acoustic Intumescent Sealant 310ml off white - Image 2](https://m.media-amazon.com/images/I/31VMmMcTJXL.jpg) ## Questions & Answers **Q: How long does this take to dry?** A: Up to 48 hours, as long as possible. **Q: Can I use this for window frames to plug any air gaps?** A: yes you can **Q: What size application gun will I need for this ?** A: Hi Standard 210mm cartridge so a 310mm sealant gun Regards steve **Q: Will this work sealing upvc windows?** A: Just used it to reseal my old UPVC windows + ran a bead of it on the underside of the UPVC sill outside. V easy to apply and very effective acoustically. Really notice a difference. Unfortunately the tube itself split and leaked the sealant into the applicator - will order another tube in hope this was just a one-off! ## Frequently Bought Together - Rockwool Acoustic Intumescent Sealant 310ml off white - Advanced Acoustics Premium Mass Loaded Vinyl Soundproofing Mat - 1.25m x 3m - 5kg/sqm - 2mm Thin - Acoustic/Soundproofing Resilient Tape - 50mm Width x 5mm Thick x 10m Length --- ## 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.gr/products/220578198-rockwool-acoustic-intumescent-sealant-310ml-off-white](https://www.desertcart.gr/products/220578198-rockwool-acoustic-intumescent-sealant-310ml-off-white) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-29*