On 28/02/2019 18:23, Jim K.. wrote:
Michael Chare Wrote in message:
When installing plastic door frames and windows frames would you put a
concrete screw going up into the lintel?


Id put more than one... assuming the lintel is actually concrete...

Yes I was to lazy to use the plural. I am hoping that the made to
measure products that I have ordered will come with fitting
instructions. It will be a first time for installing these plastic items
and for using concrete screws.

--
Michael Chare