Starting at one side of the garage door attach the seal to the door bottom using one nail or screw at a time depending on whether your door is wooden or metal.
How to install bottom garage door seal on metal door.
Tips on replacing your garage door bottom seal.
If the top of the seal doesn t match the aluminum retainer you won t be able to complete the job.
Be patient it takes a lot of pushing and pulling even with a helper.
Install the new seal with the larger sloped edge to the outside of the garage door and the flat part against the bottom of the door.
If you have a wooden garage door rip off the nailed rubber seal.
He also gives a brief description.
In this video we add a new aluminium retainer and new rubber seal.