Isover Protect BSK Adhesive

An inorganic solvent-free adhesive for use with the ISOVER U Protect system for the passive fire protection of circular and rectangular ductwork.

Features and benefits

  • Can be applied with a brush, roller or spatula
  • Processing temperature between 5°C and 30°C
  • Hardens in approx.12 hours depending on site conditions
  • Alkaline solution.and free of Volatile Organic Compounds (VOCs)
  • Classified according to Regulation (EC) No 1272/2008: Protect BSK is not classified according to CLP regulation

Product code : 04FZPA

Associated products


Fire rating

ISOVER Protect BSK Adhesive has been tested as part of the ISOVER U Protect passive fire protection system under EN 1366-1 and EN 1366-8 and assessed against BS 476: Part 24.  The ISOVER U Protect system offers up to 2 hours passive fire protection in HVAC ventilation and smoke extract ducts, as well as 1 hour passive fire protection for kitchen ducts.

The fire resistance is dependant on the application, the thicknesses of insulation used and the method of installation. The fire performance of the system cannot be substantiated if alternative components are sustituted. Please refer to the U Protect Installation Guide for further details.