Bostik Fireban® Acrylic is a single component, non-sag, fire rated acrylic based gunnable sealant. A general purpose product for construction joints and the sealing of service penetrations in plasterboard, concrete floors and masonry wall constructions. Bostik Fireban® Acrylic is a gun grade acrylic based sealing compound specifically manufactured for sealing low movement interior joints (up to +/- 25%) in masonry and plasterboard to provide a fire barrier for periods up to 4 hours.

  • Fire rating for gaps up to 40mm
  • Designed for Australian conditions
  • Good flexibility joint movement +/- 25%
  • Smooth gunnability and tool off finish
  • Low odour
  • Non-toxic
  • Asbestos free
  • Water clean up
  • Prevents the passage of hot gases
  • Paintable after fully cured
  • Water resistant after cure
  • Excellent adhesion to metal, wood, plasterboard, all masonry, AAC and Hebel
  • Acoustic capabilities with a 60 STC* rating in plasterboard construction
  • Sealing of gaps around pipes, cables, ducts and services which penetrate fire rated walls and floors
  • Installation of fire rated sealant in concrete walls and floors, and plasterboard walls
  • Excellent unprimed adhesion to metal, wood, plasterboard, concrete and masonry
  • For vertical and horizontal joints, interior applications requiring acoustic properties or STC rating
  • Perimeter sealing of door and window framing interior


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