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Verified by manufacturer 11 months ago
One part fire rated intumescent polyurethane joint sealant
Bostik Fireban® One may be used internally and externally to seal linier joints, gaps and service penetrations in the following substrates: - Insitu concrete floors and walls. - Precast and tilt up panels. - Brickwork and blockwork. - Rendered masonry. - Plasterboard (Fire rated and/or acoustic rated). - Fibre cement sheet (Fire rated and/or acoustic rated)
Bostik Fireban® One is a fire rated intumescent, low modulus, one component, Class-A polyurethane sealant. When cured it will form a tough, flexible fire rated seal capable of cyclic expansion and compression movement of 50% (± 25%) of the original installed joint width. Bostik Fireban® One is resistant to normal weathering conditions such as rain, sunlight, snow, sleet, ozone, atmospheric contamination and pollution.
Smooth thixotropic paste.
Tool sealant to achieve concave shape.
Ensure maximum adhesion to bond face and depth to width ratio of 1:1 for 10mm joints and 1:2 for joints over 10mm up to 50mm and 3:4 for some joints in specialist applications (contact Bostik for specific joint requirements and configurations).
NATSPEC National Classification System
0181a Adhesives and Sealants
0181 Adhesives, Sealants and Fasteners
AS 1530.4 - 2014 AS 4072.1 - 2005
Minimum 5 °C to maximum 35 °C.
Full cure 7 days on porous substrates.
Up to 50mm.
Non-sag, smooth thixotropic paste.
Up to 4 hours to AS 1530.4-2014 and AS 4072.1-2005.
Minimum -40 °C to maximum 70 °C.
2mm/24 hours on porous substrates.
7 days on porous substrates.
Shore A hardness
> 1.3 N/mm².
Elongation at break
Country of product manufacture