Bostik 3080112920PK 20-Pack 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, plasterboard, all masonry, AAC and Hebel
• Acoustic capabilities with a 67 STC* rating in plasterboard construction
• Available in three colours, white, grey and limestone

Where to Use

• Residential, commercial and industrial applications 
• Internal Walls
• External Walls (in protected conditions or when over-painted - for full external exposure see Bostik Fireban One) 
• Concrete Floors

Substrates & Suitable Materials 

• Concrete
• Plasterboard
• Masonry
• Cladding

Specifications

• Colour: Limestone
• Appearance: Non sag smooth thixotropic paste
• Stain and Colour Change: None
• Chemical Resistance: Fair
• Max. Joint Movement: +/-25%
• VOC g/Lt: 34
• 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
• Fire resistance when tested in accordance with AS1530.4-2014 and AS4072.1-2014