Rubber seals are flimsier and tend to warp over time.
How to weather seal your garage door.
Buy vinyl not rubber.
Made of steel wool this material is designed to be filled in a bulb type weatherstripping.
It may also include adding thin weatherstripping between the door panels if you want to make the door as airtight as possible.
Add weatherstrip around the rest of the door once the bottom section of the garage door is weather sealed you want to cover up the leaks around the rest of your garage door where there is almost certainly cracks that expose your garage to the outside elements constantly and wear water and air leaks will continuously occur.
Weather sealing a garage door usually involves a simple process of adding or replacing the bottom door seal and the weatherstripping on the stop molding along the sides and top of the door.
Another add on to garage door weather seals is fill fabric.