You can buy them in any diy store and they re very easy to install.
How to fill in garage door gap.
Garage door strut reinforcement.
They come with a rubber threshold and glue and sometimes a caulking gun too.
Shut the garage door and go outside to seal up all the gaps.
Take your measure between the garage door and wall.
Install a garage door threshold.
After shimming the jamb you still have a gap that can allow air to flow and covering this gap with casing doesn t always provide enough insulation.
If the gap is less than 1 2 inch wide you can.
Garage door stops strips of trim running along both sides and the top of the door opening cover the gaps between the door s edges and jambs and provide a weather seal by means of a flexible flap or flange that overlaps onto the door when it s closed.
2 measure the garage door height.
3 place the vinyl strip on the wall side where the wall meets the garage door.
Lay down a strip of vinyl weather stripping and transfer the measured length on it.
The flexible vinyl strip has to cover the gap to lay flush on the door and its part with the screw holes should face the side wall.
Gaps along the sides and top of the door.