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Anonymous users2024-01-242090's is a bit high, the height of the general sleeve is the height of the hole minus 4CM, and then leave a gap of 1cm up and down, you can only use a wider sleeve to cover the bottom, generally more than 8CM sleeve line.
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Anonymous users2024-01-23Did you add a cuff???
Reserve about a reserved meter, so as to ensure that the bottom floor tiles are pasted well, plus the thickness of the door cover, the net entry and exit height of the door opening is about 2 meters, so that it is the normal height of the door opening.
The material market door covers are different, if you do it yourself to see the following process, don't be fooled! >>>More
Generally between 10-20mm. Don't be too big, relying on the blowing agent will affect the impact strength of the door!
It cannot be directly installed with woodworking board to make the base layer of the door sleeve, otherwise it will affect the installation quality of the door. If the door hole is small, dig that side a little.
It can be, but try to be as high as possible, otherwise the space will be too depressing, and the general door opening size is 2100 (height) * 900 (width) * 150 (wall thickness).