Install Prehung Exterior Door
Some prehung doors come with a plastic or wood drip cap at the top that is sloped to allow water to flow easily away from the house.
Install prehung exterior door. How to install an exterior door. Begin installation by first running a thick bead of latex caulk along the subseal at the bottom of the old door opening. For instructions on interior doors read how to install a prehung interior door. The drip edge flashing fits over the drip cap and slips under the roofing felt or building paper.
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. Check out these easy to follow tip on how you can install a pre hung exterior door. You should be able to complete this project in less than a day. Then lift the new pre hung door into the center of the rough opening positioning the bottom seal first then tilting the door into place.
Check for plumb and shim the frame as necessary. Remove the old door.