{"product_id":"soudal-b3-expanding-foam-gun-grade-750ml","title":"Soudal B3 Expanding Foam Gun Grade 750ml","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eSoudal B3 Expanding Foam in a 750ml canister is a one-component polyurethane foam formulated for general-purpose gap filling, sealing, and insulation. \u003cbr\u003e\u003cbr\u003eThe moisture-curing formula expands upon application to form a stable, rigid structure that adheres to most common building materials, including brick, concrete, timber, plaster, and metal. Designed for non-fire-critical areas, it provides dependable performance in everyday construction and maintenance work.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eOnce cured, the foam can be cut, sanded, plastered, and painted, allowing precise adjustment and a neat, finished appearance. \u003cbr\u003e\u003cbr\u003eIts closed-cell structure ensures resistance to shrinkage or post-expansion, maintaining dimensional stability even when applied overhead. The cured foam contributes to both thermal and acoustic insulation, helping to reduce heat loss and noise transmission through gaps, joints, and cavities.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eThe 750ml canister is designed for use with a professional foam applicator gun, providing precise flow control, adjustable output, and minimal waste during application. The gun-grade format ensures greater accuracy and efficiency for larger or repeated installation work.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyurethane Formula\u003c\/strong\u003e: Expands on contact with moisture to create a rigid, durable foam structure suitable for sealing and insulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Fire-Rated Type\u003c\/strong\u003e: Classified as B3 for use in non-fire-critical construction and maintenance areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Finishing\u003c\/strong\u003e: Once cured, the foam can be cut, sanded, plastered, and painted for a clean and finished result.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Structure\u003c\/strong\u003e: Maintains shape without shrinkage or post-expansion, ensuring consistent performance in vertical or overhead joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal and Acoustic Efficiency\u003c\/strong\u003e: Improves energy efficiency and comfort by reducing air leakage and sound transfer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate Compatibility\u003c\/strong\u003e: Adheres to most construction materials except polyethylene (PE), polypropylene (PP), and polytetrafluoroethylene (PTFE).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGun Application System\u003c\/strong\u003e: Supplied in a 750ml canister for use with a foam applicator gun, offering controlled dosing, repeatable output, and reduced material wastage\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\u003eWindow and Door Frames\u003c\/strong\u003e: Provides insulated sealing around frame perimeters and structural openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Cavities\u003c\/strong\u003e: Fills voids between brickwork, blockwork, or partition materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof Construction Openings\u003c\/strong\u003e: Seals penetrations, joints, and roof voids against draught and moisture ingress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic Insulation\u003c\/strong\u003e: Reduces sound transmission through service gaps and construction joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Insulation\u003c\/strong\u003e: Prevents heat loss by sealing gaps in walls, floors, and ceilings.\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\u003eSurface Preparation\u003c\/strong\u003e: Clean all surfaces and lightly moisten before application to ensure optimal adhesion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Shake the canister for at least 20 seconds, screw it onto a compatible foam applicator gun, and apply the foam in controlled layers; avoid overfilling gaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCuring\u003c\/strong\u003e: Allow foam to fully expand and cure; curing time varies depending on humidity and temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishing\u003c\/strong\u003e: Once cured, trim excess foam and finish as required by sanding, plastering, or painting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning\u003c\/strong\u003e: Remove uncured foam with Soudal Gun \u0026amp; Foamcleaner or acetone (test surfaces first). Cured foam can only be removed mechanically or with Soudal PU-Remover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage\u003c\/strong\u003e: Store upright in a cool, dry location away from direct sunlight and sources of ignition.\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 Composition\u003c\/strong\u003e: One-component polyurethane prepolymer that cures through atmospheric moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Conductivity\u003c\/strong\u003e: Provides efficient insulation suitable for general building applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcoustic Properties\u003c\/strong\u003e: Assists in reducing airborne sound transmission through cavities and joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdhesion Quality\u003c\/strong\u003e: Bonds effectively to most building materials including masonry, wood, and metal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOzone Safety\u003c\/strong\u003e: Contains HCFC- and CFC-free propellants that are not harmful to the ozone layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Resistance\u003c\/strong\u003e: Cured foam remains stable from −40 °C to +90 °C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Strength\u003c\/strong\u003e: Compressive strength approx. 22 kPa; shear strength approx. 28 kPa; tensile strength approx. 70 kPa (EN 17333).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Classification\u003c\/strong\u003e: Non-fire-rated B3 classification; not for use in fire-resistant installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant Note\u003c\/strong\u003e: Contains isocyanates; use only in well-ventilated areas and wear appropriate protective equipment during use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Soudal","offers":[{"title":"Default Title","offer_id":53771412013167,"sku":"1003094","price":9.8,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/Soudal_B3_Trade_Expanding_Foam_Gun_Grade_750ml_-_Photo.jpg?v=1783758311","url":"https:\/\/supplyyard.co.uk\/products\/soudal-b3-expanding-foam-gun-grade-750ml","provider":"Supply Yard","version":"1.0","type":"link"}