I've never done any repairs myself. I usually hire specialists, as well as a contractor who takes control of the entire renovation process. However, there is now a huge amount of information on the Internet. Speaking of width and height of exterior door, you can check this article https://thwindowsdoors.com/width-of-exterior-door-and-other-measurements-for-entry-doors/ . By the way, this is an excellent manufacturer, as well as a window and door installer, whose services you can use.

I'm planning to do renovations, and I need to calculate the maximum convenient height and width of windows and doors in order to order the sizes I need. Any tips or anything like that?

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