Weather seal is missing pieces on the corners. Can I fix it myself? Where can I buy it?

All garage doors of any kind will come with a bottom rubber seal of some kind. This is known in the garage door business as the astragal. On a wood garage door the bottom rubber seal is nailed to the bottom section into the wood of the door. Or on a steel garage door the bottom rubber seal will slide into a groove that is on a clip that runs along the bottom section of the garage door. These types of bottom rubber seals come in two different ways a single channel and a double channel. The single channel were seal as a beaded on it like a tire and that will slide into a channel on the bottom clip that runs along the whole length of the bottom garage door panel. A double channel clip is a little bit different. It’s might be a little hard to understand but I will try to make it easy. And if you take a look at the bottom rubber on your garage door and it has one of these types of clips then you’ll understand a little easier what I am talking about. The double channel retainer clip has two grooves one on the inside and one on the outside of the clip and they run the length of the garage door.

The rubber seal

The rubber seal that is used in this application is flat and it has edges on it that look like a T and fold it up into the shape of a U and you slide the two at ends in to the grooves and then pull it all the way across the bottom panel until you get to the other side. If you plan on replacing one of these types of rubber seals then you will need to get a spray bottle with soapy water to spray along the whole clip so that it acts as a lubricant when you are sliding the rubber through the Retainer clip. Try not to use any spray lube like WD 40. This will make the rubber seal very greasy and oily and tends to collect a lot of dirt being on the ground most of the time. The soapy water will just evaporate and not be sticky on when you are done. If you have a wood garage door and obviously you will need to put the door in the up position pull off any old rubber seal remove any old nails and nail a new seal to the bottom of your garage door.

like roofing nails…

You will want to use the same kind of nails that you pull out the old rubber seal. They are like roofing nails they have a really big flat head on them. The reason for your bottom rubber seal to look like it is missing sections on the left and right hand side is not because they were cut off or it was installed wrong but over time and the elements will make a bottom seal shrink so what it does is it draws in from the corners when it is shrinking and leave gaps on the left and right hand side of the garage door. I have noticed lately that Lowes and Home Depot are starting to carry these replacement seals for your garage door and it is usually only the double channel feel that I have seen I have not seen a single channel bottom rubber yet and as far as wood garage doors goes they have always sold the bottom seal for these garage doors and they are a little different they do not slide into groups so you will pretty much find what you need to fix this problem at Lowes or Home Depot if not maybe it would be easier to find what you need online.


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