Tolerances

The drawings below set out the terminology for dimensioning doorsets.

Key

a) 7mm tolerance between structural opening and frame assembly
b) 3mm gap
c) 4mm at meeting stiles

tolerance1

tolerance2

tolerance3

tolerance4

Note: The maximum clearance permitted from the top of the finished floor level to the underside of the door leaf is:

 

Fire resistance:
FD30 and FD60
FD90 and FD120
10mm
5mm
Smoke control:
HTM 58
BS8214
10mm
3mm

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