Sika Boom AP High-Expansion Polyurethane Foam Sealant – 500ml Insulating Gap Filler

Description

GSA Expanding Foam 500ml Insulation Gap Sealant Polyurethane Spray

GSA Expanding Foam is a high-performance polyurethane spray foam designed for sealing, filling, and insulating gaps, cracks, and cavities in building construction and maintenance projects. It expands on application to create a durable, airtight, and weather-resistant seal.

• High Expansion: Expands rapidly to fill gaps and cavities efficiently
• Insulating Properties: Excellent thermal and acoustic insulation
• Durable Seal: Creates long-lasting, airtight, and weather-resistant bonds
• Easy Application: Aerosol can with straw applicator for precise control
• Versatile Use: Suitable for doors, windows, wall cavities, and general building gaps
• Paintable & Sandable: Can be trimmed, sanded, and painted once cured

Application

• Intended Use: Ideal for sealing gaps, insulating, and soundproofing in construction and DIY projects
• Application Surface: Ensure surfaces are clean, dry, and free from dust, oil, or grease
• Usage Instructions: Shake can well, attach straw applicator, and dispense foam carefully; allow expansion and curing
• Curing Time: Surface tack-free in 10 minutes; fully cured in 8–12 hours depending on temperature and humidity
• Coverage: Approximately 30–40 litres of cured foam per 500ml can, depending on gap size
• Storage: Store upright in a cool, dry area away from heat, sparks, or open flame

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