Larger gaps at the bottom of the doors are necessary if air is being. Home Maintenancehomeguides. If you have a large gap beneath the door, use a wrap-around door sweep. They have long adjustable sides that can be moved up and down along the width of the door.
When the bottom of the sweep fills in the door gap, drill pilot holes through the sides and screw it down. Put in a door threshold.
Sep For retrofit at the lower gap end suggest you look at the Norsound Wave. No, it is a hardwood floor. How to install DIY Door Gap Fix on a short Interior Door to extend. DGF attaches under the door, low cost.
This is a simple solution to your problem. Oct Uploaded by Sam Fix bottom door gap for uneven floor surface, stop bugs, noise. Another random "episode". Stop cold air leaking as well as bugs, noise, dust, heat from ever entering the house.