FRL -/90/- BSH20
FRL -/90/- prevents the spread of fire and smoke but not radiated heat for 90 minutes.
The BSH20 blocks are certified as bullet proof in class FB4 according to regulations DIN 52290-2 and EN 1522. This block conforms to FRL -/90/- and can be built in a double layer to conform to FRL 120/120/60. Dimensions are 190x190x80mm.