How To Install Prehung Exterior Door
If you pre drilled the door s exterior brick molding in step 1 you can now add finishing screws to the molding to help secure it to the building.
How to install prehung exterior door. Begin installation by first running a thick bead of latex caulk along the subseal at the bottom of the old door opening. 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. 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. Install door casing trim install the casing trim around the newly installed door.
Casing will perfectly conceal the door installation brackets. Check for plumb and shim the frame as necessary. If your unit does not have a drip cap install one. The drip edge flashing fits over the drip cap and slips under the roofing felt or building paper.
You should be able to complete this project in less than a day. For instructions on interior doors read how to install a prehung interior door. Remove the old door. A prehung door comes already mounted into a frame and is installed all at once.
How to install an exterior door.