Our house has oak flooring, and oak kitchen worktop.  I have just bought oak doors throughout, they were expensive enough as SWMBO saw some nice ones.   So it stands to reason, nice oak doors will go into nice oak door liners won't they?   The issue is compounded by the fact most of the doors will be fitting into 180mm wide walls (load bearing internal walls)  So the plan was to make the door liners on site, using 20*70 and 20* 120 planed white oak  butted together with the d