Awasome Replace An Exterior Door Ideas. The key things to remember are setting the door level, shimming the frame so the gaps between it and the door are even, and taking steps to waterproof the installation. Web how to replace an exterior door.

Next, create a rough opening around your frame that’s at least 1 inch wider and taller than the outside of the door system you’re installing.then, insert the new door into the opening and place shims. Web how to replace an exterior door. $700 to $1,500 a new exterior door will provide your house with safety, style, and energy savings, plus it adds resale value.