Cellar door on Stone

>>1236778
>>>/1700/

>>1236778
size the door smaller. mortar the gap

>>1236778
what is a clay standard brick about 4 inches?
i was moving/widening a door in a brick wall recently.
propped it, timber lintel out, concrete prestressed in, never laid mortar before but i had a crack at it, made good let it cure.
then i thought brilliant, just have to cut this bit of the wall out under the new lintel and job done.
so, 4 inch brick, i had a 6 inch grinder. piece of piss right? well no. cutting down both sides of the brick i didn't have the depth to go right through. so i made a huge fucking mess for no reason then had to smash them all out with a chisel anyway.
so i guess the moral is make sure you know what you are doing before you make a fool of yourself.
as for your original question, you do what you got to to get it done. but fuck mortaring a door frame, never heard of expanding foam?
plastic packers to level it, screw down to fix, fill gaps with foam for sound/heat insulation, cover with skirt/trim. is what i would go about it.

>>1237829
This, if the place is old enough to be made of stone don't go fucking with it.