Door frames and Linings
frames and linings
The main difference is that a door lining will cover the full width of the wall reveal and a door frame will not.
materials have a different hatching's
Identify
timber linings may be fixed into different types of wall openings.
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Assembly
jointing the lining
A through housing is the commonly used if the lining is to be rebated
A bare face tongued housing is generally used when the lining is to have stops
jointing the lining
Rebates are normally the door
thickness + 2 mm by 13 mm
thickness + 2 mm by 13 mm
Normally the housing is a third of the head in depth but if a rebate is required this will then determine the depth
Regulations
sometimes a groove is required so intumescent strips can be inserted to prevent fire spread. How many types of intumescent strips are there?
Which regulation covers fire protection