Hinges Fire Rate 100mm x 75mm & 100mm x 100mm fire door hinges. Fire tested & approved for fire & safety doors. Up to 4 hours fire door approved heavy duty hinges.
The appropriate hinge height for any job is dependent upon the door width, thickness and weight. The height of the hinge is the length of the flap, not including the tips of the pin.
The door thickness and door jamb width (also trim size if applicable) determine the width of the hinge required. The width is measured across the leaves when the hinge is fully opened.
For most internal doors two hinges will be sufficient, however, it is recommended that three hinges should be installed on doors with closers, doors likely to receive heavy use or slamming and/or external doors where the probability of warping is a consideration.
Heavy duty stainless steel but hinges are recommended for commercial applications, particularly on ‘high traffic’ doors. Stainless steel ball bearing hinges should be used on heavy doors. These can generally be classified as aluminium or steel glazed doors, solid core timber doors and fire doors. Stainless steel ball bearing hinges should also be used on doors fitted with closers or automatic door operating equipment.
Fixed pin hinges should be used on exterior doors or doors opening out. Also doors made of particle should have a capped tongue edge strip framing the door, so that hinges can be screwed into a solid material.
Stainless steel and steel hinges have been successfully tested up to 4 hours on fire door.
