Ring Door Knocker Suitable for timber, composite and PVCu doors. Wide range of viewers and extensions.
Face fixing to ensure easy installation without using fixing bolts.
These fire door hinges are suitable for both 30 & 60 minute fire doors.
Tested to 200,000 cycles, suitable for doors up to 80kg.
Successfully type tested for conformity of all the requirements of BSEN 1935, including the additional requirements of fire/smoke door use.
Grade 11 - 4" x 3" (102 x 76 x 2.5mm)