To install an exterior door start by removing the old door as well as the existing interior and exterior trim and old insulation.
How do you install exterior french doors.
With all the screws out take the door from the frame and.
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 on the.
Whether you are installing interior or exterior doors be sure to plan for space around the door swing.
Get help in holding them upright and then slide the pre hung french doors into the threshold bottom first.
Once the caulk is dry you should add any 2 by 4 inch boards needed to cover excess space.
Leave the retaining brackets in place that hold the door closed while you re working on it.
How to install exterior and interior french doors in a existing opening step 1.
Prep the opening figure out your space s opening for where you want install your doors.
The first step you need to accomplish before you learn how to install an exterior door is that you must prepare the rough opening of the door if necessary and remove the new door and frame from their packaging.
Starting at the bottom take the hinge screws out of the jamb.
Take the width of the door and layout a radius around the pivot point on both sides of the jamb to see how much space you ll need to allow.
You re more than likely going to be removing the drywall and or trim around the space.
A safe way to remove the trim without damaging the wall is to score some caulking.
Unlike pocket doors and sliding doors french doors command more space for operation.
Remove the old door.
Then center your new french doors in the gap.
You should begin by framing the opening and then sealing it.
Step 3 install the new french doors.
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.
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Keep in mind that installing a prehung door means you ll have a large hole in your home for some time.