Bostik 23975520PK 20-Pack 960gms 600ml Firecaulk Fire Rated Acrylic Sealant Sausage - Limestone

Bostik Firecaulk 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 Firecaulk 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.

Features:

• Fire rating for gaps up to 40mm
• Designed for Australian conditions
• Good flexibility joint movement +/ - 25 %
• One part no mixing required
• Very easy to apply and gives a smooth finish
• Smooth gunnability and tool off finish
• Low odour
• Non-toxic
• Asbestos free
• Priming not normally required
• Water clean up
• Prevents the passage of hot gases
• Paintable after 24 hours at 20°C
• Water resistant after cure
• Excellent adhesion to metal, wood, plasterbo ard, all masonry, AAC and Hebel
• Acoustic capabilities with a 67 STC * rating in plasterboard construction

Recommended uses:

• 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
• For vertical and horizontal joints; interior
• Application requiring acoustic properties or STC rating
• Perimeter sealing of door and window framing interior
• Sealing gaps between faced and cladding panels to various building materials
• For new construction and remedial applications
• To prevent the spread of fire and smoke through walls and floors

Classification standards:

• Fire resistance when tested in accordance with AS1530.4 - 2014 and AS407 2.1 - 2014
  *rating dependant on overall wall system configuration

Specifications:

• Colour: Limestone
• Appearance: Non sag, smooth thixotropic paste
• Stain and colour change: None
• Chemical resistance: Fair
• Max joint movement: +/-25%
• VOC: 34g/Lt
• Chemical type: One component intumescent acrylic
• Max joint width: 40mm
• Service temperature: -20°C to 90°C
• Application temperature: 5°C to 35°C
• Tool working time: 15 minutes at 25°C
• STC rating*: 67
• Storage temperature: at or below 27°C
• Shelf life: 12 months from date of manufacture