This is what i particularly suggest for the front door to keep our.
How to seal under a shower door without removing door.
Haven helping you to show your house some love.
Learn how to replace the water barrier on the bottom of a glass shower door.
All you need is a pair of scisso.
Inspect the bottom of the shower door to determine the plastic seal attachment method.
Install magnetic weatherstripping around the door sills.
This is the alternative to using a door sweep.
This is a simple solution to your problem.
The strips are rubberized and have an adhesive back.