Garage Door Threshold Kit
The garage in the house I bought about a month ago showed signs of water coming in- the bottom couple inches of drywall was damp in a few spots. I removed the damp drywall to prevent mold and mildew. My next move was to prevent water from coming into the garage again.
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| A garage door threshold prevents water from coming under your garage door Image Source: Dr. Penny Pincher |
I had a contractor come out to take a look and make recommendations. The contractor thought the drainage to the garage would keep water from coming in since the garage was elevated relative to the driveway. He thought that rain could be blowing up against the garage door and coming under the seal along the floor. He suggested that I install a garage door threshold kit. This should help with snow coming under the garage door as well.
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| The Contractor Recommended I Install a Garage Door Threshold to Keep Water Out Image Source: Dr. Penny Pincher |
Finding the Best Garage Door Threshold Kit
I read product reviews and did some research to pick the best garage door threshold kit. I visited a couple stores to check out kits in stock, but the best kit was available on-line from amazon for under $50. The problem with most of the kits that I looked at was that the strip of threshold material was not wide enough. The space from track to track for my double garage was about 16 feet, 2 inches. Many of the kits have a strip that is only 16 feet wide. I did not want to leave 2 inches without a threshold.
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| Garage Door Threshold Kit From M-D Building Products Image Source: Dr. Penny Pincher |
I found a garage door threshold kit from M-D Building Products that has a 20 foot strip and is easy to cut. Some of the reviews I read suggested using Liquid Nails instead of the silicone adhesive provided in the kit, so I picked up a couple tubes of Liquid Nails for about $2 each and ordered the M-D Building Products threshold kit for under $50.
Installing a Threshold on a Garage Door
The instructions say to use a degreaser on the floor where you are installing the threshold and let it dry overnight. I swept the floor and then used some Zep purple degreaser and a cheap mop to get the floor really clean. The next day, I swept the floor again and used a Shop Vac to pick up any dust that was still around that could interfere with the adhesive bonding the threshold strip to the floor.
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| You'll Need a Utility Knife and a Caulk Gun to Install a Garage Door Threshold Image Source: Dr. Penny Pincher |
Installing the threshold is pretty easy. After cleaning the concrete, you lay out the threshold on the floor and cut it to length. I cut mine so it extents fully from one track to the other. I positioned the strip carefully so that the edge of the bumper on the bottom of the garage door fits nicely against the highest point of the threshold strip. This required opening and closing the garage door a couple times to get it lined up just right.
Next, I marked the position of the threshold strip with a pencil on both sides. I flipped the strip out of the way and applied 3 beads of Liquid Nails in the space marked with pencil lines. Two of the beads were 1/2 inch from the edge, and the third bead was right down the middle. I flipped the threshold strip back into place and carefully positioned it again. Next I closed the garage door to let the adhesive cure for at least 24 hours.
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| Use Adhesive to Attach the Threshold Strip to Your Garage Floor Image Source: Dr. Penny Pincher |
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| Garage Door Threshold Installed To Keep Water Out Image Source: Dr. Penny Pincher |
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| The Threshold Extends Across the Width of the Garage Door Image Source: Dr. Penny Pincher |
Although not in the instructions, I also used duct tape along the inside edge of the threshold strip to hold it tightly in place while curing. The edge under the garage door has pressure from the garage door, but the edge of the strip inside needed a bit of pressure to hold it down tightly.
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| You Can Use Duct Tape to Hold Edges Down While Adhesive is Curing Image Source: Dr/ Penny Pincher |
The adhesive is curing now with the garage door closed- I plan to let it cure for 72 hours just to make sure it is solid. Check back for a report on how the garage door threshold performs over time.
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