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DOOR CONSTRUCTION

Door core
High performance timber-based core with non-combustible mineral fibre insulation sub-facings, enclosed in high quality hardwood stiles and rails, faced overall with MDF, plywood or chipboard.

Door frames
Door frames are hardwood (FD90) or composite (FD120) and can be made to any practical design or profile subject to the following constraints:

FD90: minimum density 640 kg/m3, minimum cross-section 90mm x 45mm.
FD120: minimum density 650 kg/m3, minimum cross-section 100mm x 44mm.

A 15mm planted or rebated stop is included for single acting doors.

Typical frame details
Examples of typical frame details are shown below. For full details and more examples see Frame details (registered clients only)
 

 

 

 

Lippings
Hardwood lippings 9mm thickness are applied to the two vertical edges of the door.The lippings may be exposed or concealed on the door faces.

Intumescent and smoke seals
Intumescent strips, smoke seals and acoustic seals are supplied factory-fitted as required for specified performance.