We used the six inch to make up about a 2 inch gap tapered to zero over a ten foot distance but i am fairly sure the same gasket will work in your case.
Garage door seal t sizes.
I just replaced the vinyl seal on my garage door for the exact same reason.
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Going with the 4 or 6 inch gasket does not change the width at the bottom of the door only the depth or the gasket.
Also if you have a sloped driveway or an uneven garage floor and water is seeping under your garage door the door seal adds a 1 2 in.
Some types of garage door seals work best against water while others tackle leaves.
Garage door bottom seal for wood doors.
The use of garage door seals.
Action industries rodent block garage door bottom seal kit with l shaped 1 3 8 in.
The garage door bottom seal or door sweep is a long strip of rubber or vinyl that attaches to the bottom edge of the garage door.
Garage door seals are the pieces of rubber that are attached to the bottom and sides of your garage door.
With the right type of garage door seal you can keep bugs grass rain and leaves out of your garage for good.
Garage door seals bottom rubber weather stripping kit seal strip replacement universal weatherproof threshold buffering sealing rubber 5 16 t ends 3 3 4 width 20 ft black by dgsl 36 99 36.
The flexible material compresses when the door closes sealing the gap along the floor to keep out water dirt cold breezes and critters.
Garage door u bottom weather stripping kit rubber seal strip replacement weatherproofing universal sealing professional grade t rubber 5 16 t ends 3 3 4 width x 20 feet lenth black 4 6 out of 5 stars 792.