First, start by using knife or another sharp object to scrape away any debris or buildup around the rubber seal on your garage door...
Third, once the area is clean, apply generous amount of WD-40 to the rubber sealant.
How to clean the rubber trim on the door How Do You Clean Rubber Weather Stripping..
Dip sponge or cloth into the mixture and scrub the weather stripping gently..
This will help to extend the life of the weather stripping and prevent damage from moisture and dirt.
While WD-40 does not have the same protective qualities as silicone spray, it will still help to keep the weather stripping clean and free of debris.
For V-strip weather stripping, place the metal or plastic strip into the groove around the door.
Next, position the new strip so that it fits in the rabbet or stop bead groove and use screws or nails to secure it in place..
For felt strips, peel off the adhesive backing and press it into place along the inside edge of the door..
The bottom on door is what keeps the cold air from coming in and the warm air from escaping.
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