Screw the threshold in place tightly.
How to install an adjustable exterior door threshold.
Replace the rubber gasket on top of the threshold so it presses against the bottom of the door.
Install a 3 inch treated deck screw through each of the mounting screw holes in the threshold.
If there s carpeting trim the carpet where frayed material hangs loosely.
If the threshold is to be screwed be sure that the area under the door is clean.
How to replace the adjustable threshold on an exterior door.
Do this when you notice water or air coming.
Close the door and check for light.
Then test the threshold for fit.
Use a screwdriver to adjust the height adjustment screws until the top of the threshold is one eighth of an inch below the bottom of the door.
You can touch up the door jamb with the matching touch up paint.
Turning the screws in an adjustable threshold counterclockwise will raise part of the threshold creating less space between the door and the doorstep.
If it fits apply liquid nails glue to the concrete and attach the threshold.
Raise the threshold where light enters by turning the nearest screws counterclockwise.
Watch how to install a door.
Set a straightedge such as a framing square on the threshold and adjust the other screws to make sure the adjustable strip is straight.
If the floor is cemented use a masonry bit to drill the holes.
When the saddle is in place restore the door jamb adding calk so that it fits nicely.
Readjust the threshold until you ve eliminated the light.