No matter which you choose keep in mind that a factory applied finish ensures that your door arrives ready to install and will hold up better than a diy or pro applied.
This old house garage door install.
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.
Unplug the existing garage door opener.
Buy brackets the same width as the casing around your garage door to ensure a seamless look and easy installation.
For instructions on interior doors read how to install a prehung interior door.
Expect to pay 100 to 500 to have the new door put in and 75 to 200 for the old door to be taken away.
Purchasing one does simplify and speed up installation but the term prehung is really a misnomer.
Use impact driver to mount hinges to the bottom panel of garage door.
Attach weather stripping to the bottom edge of garage door.
Screw cable brackets to the door to secure the weather stripping.
Installation and removal of old doors are not.
Install the bracket that comes with the garage door opener over the garage door using the screw gun.
Remove the old door.
Paint or clear coat.
Use the open ended adjustable wrench to loosen the bracket and remove the bracket on the door and the bracket above the door.
A prehung door is a unit that comes with hardware and a frame ready to be installed into a doorway.
Loosen the brackets securing it to the ceiling and gently lower it down.
How to install an exterior door.
Classic this old house episode with bob vila explaining the correct way to install a garage door.
Apply caulk to the back of the first bracket and hold it in position flush to the inside of the garage door casing.
Anchor the brackets photo by kolin smith.