{"product_id":"rockwool-acoustic-intumescent-sealant-310ml-cartridge","title":"Rockwool Acoustic Intumescent Sealant 310ml Cartridge","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eRockwool Acoustic Intumescent Sealant supplied in 310ml cartridges. High-performance, water-based acrylic sealant formulated for sealing linear joints and service penetrations within fire-rated wall and floor constructions. \u003cbr\u003e\u003cbr\u003eDesigned specifically for use with Rockwool Ablative Coated Batt, the sealant reinstates fire resistance, acoustic integrity, and air tightness where building services or joints interrupt compartment lines.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eThe intumescent formulation expands under fire conditions to close small gaps and restrict the passage of flames, smoke, and gases. Once cured, it forms a flexible, durable seal capable of accommodating building movement without cracking or loss of adhesion.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eTested to provide up to four hours’ fire resistance, the sealant also delivers verified acoustic and air leakage performance, making it suitable for both fire protection and sound control applications across multiple substrates.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire performance:\u003c\/strong\u003e Provides up to 4 hours’ tested fire resistance when used in approved Rockwool systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic and airtight sealing:\u003c\/strong\u003e Reduces airborne sound transmission and air leakage across compartment junctions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem compatibility:\u003c\/strong\u003e The only sealant approved for use with Rockwool Ablative Coated Batt installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile application:\u003c\/strong\u003e Suitable for sealing linear joints up to 50mm wide and individual service penetrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable and flexible:\u003c\/strong\u003e Maintains adhesion and accommodates minor substrate movement without cracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of use:\u003c\/strong\u003e Ready-to-use, one-part water-based acrylic formula supplied in 310ml cartridges for standard applicator guns.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eService penetrations:\u003c\/strong\u003e Seals around pipes, conduits, and cable trays passing through fire-rated walls or floors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear joints:\u003c\/strong\u003e Fills gaps up to 50mm wide between fire-resistant building elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAblative Coated Batt installation:\u003c\/strong\u003e Used for sealing cut edges, perimeter joints, and service apertures in Rockwool Ablative Coated Batts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic barriers:\u003c\/strong\u003e Applied to improve sound insulation and prevent flanking noise paths through joints and penetrations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure all surfaces are clean, dry, and free from dust, grease, or loose material.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Apply evenly using a standard mastic or sealant gun; tool off within 10 minutes for a smooth finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoint depth:\u003c\/strong\u003e For deeper gaps, insert a suitable backing material before sealing to maintain correct joint geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuring:\u003c\/strong\u003e Allow to cure fully before exposure to moisture or overpainting; drying time varies with temperature and humidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean-up:\u003c\/strong\u003e Remove excess material with a damp cloth before curing; clean tools with water.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial specification:\u003c\/strong\u003e Water-based, one-part acrylic intumescent sealant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire performance:\u003c\/strong\u003e Tested to provide up to 4 hours’ integrity and insulation in accordance with BS EN 1366-3 and BS EN 1366-4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic performance:\u003c\/strong\u003e Independently tested to maintain sound reduction performance when sealing joints and penetrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement capability:\u003c\/strong\u003e Suitable for linear joints up to 50mm wide with moderate movement tolerance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Approved for use with Rockwool Ablative Coated Batt and a wide range of common substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental compliance:\u003c\/strong\u003e Low-VOC formulation; non-toxic and halogen-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e Fire resistance and acoustic performance are dependent on installation within a tested Rockwool FirePro® system configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Rockwool","offers":[{"title":"Default Title","offer_id":53771532501103,"sku":"3007208","price":3.88,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Rockwool_Acoustic_Intumescent_Sealant_-_Photo_Resized_2.jpg?v=1783758659","url":"https:\/\/supplyyard.co.uk\/products\/rockwool-acoustic-intumescent-sealant-310ml-cartridge","provider":"Supply Yard","version":"1.0","type":"link"}