B1 Fire Rated PU Expandable Foam Manual Type is an one-component, high quality B1 fire retardant polyurethane foam. It is fitted with a plastic adapted head for use with a foam application straw. B1 Fire Rated PU Expandable Foam has an excellent performance for installation of doors and windows, high grade fire resistance for wallboard fixing and heat insulation. B1 Fire Rated PU Expandable Foam can be met all fire safety requirements.Mainly used for installation, fixing and insulation of door and window frames; filling and sealing of gaps, joints, openings and cavities.
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