Replacement windows and doors

jondc

jondc

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Quick question, over having windows and doors replaced.

Should the window sills and doors be placed on a bed of mortar, to support the weight of the windows and doors?

At the moment, they have been installed and left floating, with the side fixings holding them on place.

Thanks
 
Last edited:
Seen it done both ways, the cill does need to be supported centrally or it can sag, if no mortar then packing strips are used along the length.
 
Studio488commercial said:
Seen it done both ways, the cill does need to be supported centrally or it can sag, if no mortar then packing strips are used along the length.
Click to expand...
Thanks for the response. I was also thinking about something acting as a sound and insulation barrier.
 
jondc said:
Thanks for the response. I was also thinking about something acting as a sound and insulation barrier.
Click to expand...
Expanding Foam does a very good job and is used almost on every window and door these days, then the internal window board, the thicker the better :)
 
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