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How to seal the gap under the garage door

Noticing dirt, water, or even rodent droppings accumulate in the garage is not a new piece of news for anyone. Garage doors happen to be quite large, and because of that, it is hard to avoid water or small animals to enter your garage and disrupting it entirely. Hence, it is essential that your seal the gap under the garage door from time to time to ensure you never have to undergo such problems. Weather sealing your garage door is not as simple as you may think. It may include sealing the bottom doors or even stripping the bottom of your door, molding it along the sides, or even the top sections of the door. It could also include adding thinner weatherstripping between the door panels if you would like to make your doors airtight as well. On that note, here are a few ways that teach you how to seal the gap under the garage door.

Bottom Seal

If you have a wooden garage, you can consider a simple sort of seal that comes with angled edges. This will help you seal not just the front section of the floor but the floor as well. They could either be installed or even galvanized. Some people use roofing nails to do the same. If a metal garage door is what you have, you could always consider installing a metal gasket channel in your door as well.

Threshold Seal

Thresholds could either be used singularly or even in conjunction with your door seals. They are usually good if you want to drive away surface water. They also help you out in filling out the large gap found below the door of your home. A good quality threshold seal is much more durable than a seal. You could install this using an adhesive that is added alongside the threshold.


Many garage doors have weatherstripping or rubber installed in their wooden doors for the purpose of mold prevention. You can consider installing new weatherstripping in case the door in your garage does not have or if it has become old. Having new weatherstripping also comes in rolls which will help you cut down the length using a proper utility knife. You can install them using screws or nails. The flange of weatherstripping must also press against doors and create an excellent seal.

Vinyl Door Stop

Weatherstripping and molding are also great if your doors have become damaged, old, or even rotted. This also happens when your door is made of wood-look or even vinyl. In order to install your doorstep, position the pieces parallel towards the door face, and push the molding towards the door so that the flange is compressed against all the doors. The best thing you can do is stop molding first and then overlap your ends using top molding along with side stops.

So that brings us to the end of the post. Have you tried any of these tips below? If so, do let us know in the comments below. We would love to hear from you.

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