Model # 53020

Internet #202199786

Tsunami Seal 20 ft. Black Garage Door Threshold Kit
0763636530203

Tsunami Seal

20 ft. Black Garage Door Threshold Kit

$9468 /each

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Product Overview

The Tsunami Seal Garage Door Threshold Seal mounts to your garage floor creating the perfect seal between your door and your garage floor. The Garage Door Threshold Seal creates a tight seal for your garage door which will keep leaves, dirt, water and snow from being blown under the garage door by the wind. Also, if you have a sloped driveway or an uneven garage floor and water is seeping under your garage door, the door seal adds a 1/2 in. tall barrier to the garage floor. The door seal will also help keep out unwanted insects and snakes. By creating a better seal, your garage will stay warmer during the winter and cooler during the summer, helping to keep your energy cost down. The door seal works great with all types of garage doors including roll up doors, hinged wood doors and walk through doors. The one piece strip is permanently secured to the garage floor with the included Liquid Nails Polyurethane Adhesive. Each kit includes the one piece Threshold Seal, two cartridges of Liquid Nails Ultra DutyTM Poly-Adhesive and a metal caulking gun and color installation instructions. Comes with a lifetime warranty.

California residents: see   Proposition 65 information

  • Creates a barrier against water, leaves, dirt and snow
  • Keeps out insects, snakes and rodents
  • Garage stays warmer during the winter and cooler during the summer
  • Helps to save energy
  • Works with roll up doors, hinged doors and walk through doors
  • Includes two cartridges of liquid nails ultra duty poly adhesive
  • Includes a metal caulking gun
  • Lifetime warranty

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Name 18 ft. Brown Garage Door Threshold Kit 20 ft. Black Garage Door Threshold Kit 20 ft. Gray Garage Door Threshold Kit 20 ft. Brown Garage Door Threshold Kit
Brand Tsunami Seal Tsunami Seal Tsunami Seal Tsunami Seal
Ratings (4) (23) (13) (2)
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Customer Questions & Answers

does the product cut easy into 2 pieces?

can i use the product for 2 single garage door openings
Asked by: bob
Yes. This is exactly what I did. Cut it to fir 2 doors.
Answered by: nurseJoy
Date published: 2016-12-14

Can we use this inside the garage to prevent water from traveling across the floor?

Can we use this inside the garage to prevent water from traveling across the floor?
Asked by: Toolmanfan
No, you can not use this inside the garage to prevent water from traveling across the floor.
Answered by: CommunityAnswer
Date published: 2016-11-14

Will the epoxy hold on a slurry-coated asphalt garage floor?

I noticed the application video showing the install on a concrete floor. My garage floor has a slurry coat over asphalt. Will this product still work on that surface? Thank you.
Asked by: Andy
I'll answer this one myself since I went ahead and purchased it and installed it. As it turns out the install ended up being on asphalt that didn't have the slurry coat on it. it's holding so far.
Answered by: Andy
Date published: 2016-11-22

I am looking for a product like this that will prevent my north facing overhead door on my pole b...

I am looking for a product like this that will prevent my north facing overhead door on my pole building from freezing to the concrete floor during the winter. A neighbor uses something similar that pushes the water away and he has had good luck with it. Is this what I want to use or would something else work better?
Asked by: Frozen
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Customer Reviews

20 ft. Black Garage Door Threshold Kit is rated 4.8 out of 5 by 23.
Rated 5 out of 5 by from Easy to install and provided exactly what I needed....a tight... Easy to install and provided exactly what I needed....a tight seal to prevent heavy rains from entering the garage....
Date published: 2017-05-20
Rated 5 out of 5 by from so far so good. Easy to install. No more water running into garage. so far so good. Easy to install. No more water running into garage.
Date published: 2016-12-14
Rated 5 out of 5 by from 5 Star Review Rating provided by a verified purchaser
Date published: 2017-04-06
Rated 5 out of 5 by from Excellent Product My garage door leaked like a sive- I put on new rubber door sealers on the bottom that were to be super - and it still leaked, I found this product, installed it and now I have a dry garage when it rains! If your garage door leaks from underneath, get this product - it will solve that issue AND you dont even know it is there when you drive or walk on it!!
Date published: 2016-07-12
Rated 5 out of 5 by from Excellent Product This product installed easily and has been one of the best purchases we have ever made. We had to replace all the baseboards and some sheetrock in the garage due to water damage. After all the repairs we decided to epoxy the floors and install the Tsunami Garage Floor seal. We got a very heavy rain right after and there was no water on our floor. The seal stuck solid to the epoxied floor. We could have saved ourselves lots of money and labor with this one product.
Date published: 2016-06-01
Rated 4 out of 5 by from The threshold was easy to install. I definitely recommend unrolling it the day before indoors or... The threshold was easy to install. I definitely recommend unrolling it the day before indoors or somewhere warm (in the sun where you have enough room to lay it out flat) so that it loses the coil memory from the packaging. Be careful to not over-apply the epoxy as the two tubes included are just enough to complete the recommended three beads the length of the threshold.
Date published: 2016-11-22
Rated 4 out of 5 by from Good solution to a difficult problem The product was easy to install, but if your gluing surface is uneven it is difficult to keep it flat. Be prepared to use something to weigh down the sections that lift up before the glue dries. The caulking gun supplied with the order is flimsy and bent after a couple minutes of use. Pay attention to the corners where the threshold meets the door frame as you may need to use silicone to keep out the water.
Date published: 2013-07-30
Rated 5 out of 5 by from Outstanding product Product was a little higher than others I looked at, however, I am a strong believer in, "you get what you pay for". This product was worth it. Did exactly what they advertise. I have had a leaking garage door for a couple years. After installing this product and having two very high yield storms roll through, was amazed at it's ability to keep all water out. Didn't find a drop the following morning. What a relief.
Date published: 2015-09-15
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