Used to block gaps on sides & top of closed garage door
This product is advertised as a bottom seal between garage door and floor. I had about a 1/2" gap between the outer side of the closed garage door on both sides & top. Using 4 sets, I completely sealed a double-wide sectional metal roll-up door and it works great. I also coated the vinyl part with ArmorAll to make it somewhat slicker against the outer edges of the door and it easily compresses to fill in the slightly uneven gaps. To clarify, my door is about 3" wider and higher than the opening,
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so I mounted the aluminum base on the inner side of the garage wall, flush with the opening edge all around. Another benefit I realized after the installation is the door rollers no longer make as much noise when opening and closing, as the slight pressure of the seal compressing keeps the door rollers against the inside edge of the tracks instead of bouncing back and forth a bit while opening and closing.