Door lining not wide enough?

[plugy]

we are converting our garage and will need to replace the door and lining (the original door + lining never fitted) however it appears the off the shelf linings are not wide enough.
On the assumption of 100mm thermalite, 12mm boards, dabs 10-20mm walls a little out and 3mm skim, making the wide between 150-160. Your B&Q etc only carry 132mm frames. what are the best options, make one, trawl internet for wider frames, or tack stripwood onto the 132 frame to pad out? Any thoughts?

 

[oldbutnotdead]

Go to a proper timber merchant to start with- they may have oversize sets (160 isn't massive).
If they don't you can make your own - again with timber from timber merchant. I've done several- 20 x 200 board for the outer, 20 x 160 to form the recess for the door, glued & screwed.
Trick is getting the cuts dead square, a router and straight edge is very handy.

 

[^woody^]

I don't understand the problem. What are you expecting from a lining?

 

[23vc]

You can buy wider linings

 

[JohnD]

It's possible a single wide board will crack, when it shrinks as it dries out.

i suppose you could reduce the risk by running all your screws down one edge at first, and screwing the other edge later. There may be a better way. In grand houses with very thick walls, the door lining may be a panelled assembly made up by a joiner to allow movement. Today I suppose you could use ply.