Butt Hinge, Ball Bearing, 100 x 75 mm, Brass

Product Details

Is the Butt Hinge BB FR suitable for 30 minute fire doors

The Butt Hinge BB FR 100x75mm Brs Pol CP is suitable for use on 30 minute fire doors. It is designed to help maintain the door’s integrity in fire related conditions when installed correctly.

Does this hinge include intumescent protection for fire performance

Yes. It is supplied with 2 mm thick intumescent pads along with the fixings. These pads are intended to support the hinge performance on fire doors.

What are the hinge dimensions and how do I check fit

This model is 100x75mm. Before ordering, compare the hinge size and knuckle alignment requirements of your door and frame, ensuring the mortice depth and positioning match your planned installation.

What finish is available on this model

The hinge is supplied with a polished chrome plated finish. This gives a reflective, hard wearing appearance that suits many architectural door setups.

What materials are used for the hinge components

The hinge is made using brass components. Brass is commonly chosen for door hardware due to its strength and durability, while the polished chrome plating provides the stated surface finish.

What fixings are provided in the box

The hinge is supplied with fixings and the intumescent pads for fire door applications. Check your door type and ensure the provided fixings are suitable for your substrate before fitting.

How does the knuckle and flange size affect installation

The knuckle diameter is 11 mm and the flange thickness is 6 mm. These measurements influence how the hinge sits in the mortice, so confirming your existing hinge cut out or planned mortice dimensions helps achieve a neat, aligned fit.

Is this product part number 926.23.102

Yes. The Product Part No: 926.23.102 matches the Butt Hinge BB FR 100x75mm Brs Pol CP door hinge. Selecting by part number helps ensure you receive the correct variant for your project.