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Rain under roll up door

K4luf

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Joined
Dec 4, 2011
Messages
61
Location
Lawrenceburg, TN
I have a problem with rain coming in under my roll up door. The concrete has a bit of a low spot that lets it in. The door (clopay) is new so the seal is in good shape and it is adjusted as tight to the floor as possible. Is there some kind of replacement seal I can install that is thicker or better quality. Or is there something I can do to fill in the low spot in the concrete?
 
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wnstwolf

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Joined
Nov 7, 2007
Messages
837
Location
New York and PA
Have installed 6 of these in the fall for same reason along with the softer rubber type that actually attach to the bottom of the door. The one as seen in link above used construction glue to hold it down and I had zero confidence it would hold. last month opened the garage door when plowing to not hit it and accidently took plow too far into garage.. plow lifted right over it and the glue held. I would give it a thumbs up after a winter of daily driving over it and the dumb azz plow move..
 

Milton Shaw

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Joined
Feb 11, 2011
Messages
4,836
I have one on my door and it held up for 10 years before I scooted a pallet of block over it and took it loose in the center. It's about 1/2"tall and it kept the water out for 10 years. I have a new one but have not gotten around to grinding the old glue off and putting the new one down. Make sure you mark the floor where the door actually closes on and get the seal position right so the door sits outside of the highest part of the seal. It took less than an hour on the initial installation 10 years ago.
 

Falcon67

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Joined
Jun 11, 2009
Messages
18,371
Location
Merkel, TX
I put a gutter across the front and that -so far- has stopped any water creeping under the east corner of the big door. I did not engineer a door lip in the slab - it's flat under there. But like yours there is a low spot on the east side that will let water puddle. It may still puddle of wind blows water from the south against the door. But the 5" gutter across the front of the building kept it dry during the 2" heavy rain we got last month.
 

ZRX61

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Joined
Aug 15, 2006
Messages
28,716
Location
Solar Blight Valley, SoCal
I tried that threshold stuff, didn't work worth ****. I used a diamond blade on a 4.5in angle grinder & cut some rain grooves in the concrete & that did work...
 

plung

Banned
Joined
Jan 21, 2012
Messages
562
Location
N. Cali
You need a channel along the entry with some grates.

street-gutter-grates-504912.jpg
 

MustangRick

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Joined
Dec 26, 2006
Messages
308
Location
KC
I have the same issue. I have been considering some of that self leveling concrete patch to try to level it all out. I figure if that doesn't work then I will try the threshold. My low spot may be big enough that it would let water underneath the threshold.
 
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Tech Guy

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Joined
Dec 17, 2008
Messages
828
Location
Ontario Canada
I ended up putting in a threshold as I had the same problem. I didnt use an acutal threshold. I ended up finding a plastic strip about 1/4 thick that was sloped on both sides but flat on the top. Made it easy to roll stuff in and out. The first couple I tried got ripped out. Think I found it in the carpet section of Home Depot.
 

wnstwolf

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Joined
Nov 7, 2007
Messages
837
Location
New York and PA
Al the one you linked to from Amazon is what I used. Very happy with it. measure twice and as mentioend here and in the install manual close the door and mark slab then install it. will be out in front of your steel track not in line with it.. ask how I know!
 

036.6turbo

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Joined
Dec 7, 2009
Messages
149
Al the one you linked to from Amazon is what I used. Very happy with it.

X2

I used what appears to be the same one? I got mine at Menards. Its been down since June, when they delivered our shipment of Montezuma tool boxes, the FedEx guy went in and out (6) times with the pallet jack, no issues what so ever.
And it does keep the rain out.
 
OP
K

K4luf

Well-known member
Joined
Dec 4, 2011
Messages
61
Location
Lawrenceburg, TN
I wonder how it would work if I were to put some kind of foam inside the existing seal to firm it up a bit? I have some left over backer rod I may put in there and see how it works. If that don't work, then i may try the threshold that y'all have suggested.
 

Al Bundy

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Joined
Aug 1, 2011
Messages
2,026
Location
Upstate NY
Al the one you linked to from Amazon is what I used. Very happy with it. measure twice and as mentioend here and in the install manual close the door and mark slab then install it. will be out in front of your steel track not in line with it.. ask how I know!

X2

I used what appears to be the same one? I got mine at Menards. Its been down since June, when they delivered our shipment of Montezuma tool boxes, the FedEx guy went in and out (6) times with the pallet jack, no issues what so ever.
And it does keep the rain out.

Excellent. Thanks for the feedback. On a side note, I wonder if it would help keep the mice out. I get the occasional straggler finding his way in. I'm certain their only way in is around the overhead doors.
 

fgl123

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Joined
Sep 28, 2011
Messages
50
Location
Walterboro,SC
i used Micro Channel Drain. I had to use it after i hired the cheapest estimate for my shop slab. check your local landscape supplier.
 

AussieDan

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Joined
Sep 18, 2008
Messages
298
Location
Syracuse, NY
i used Micro Channel Drain. I had to use it after i hired the cheapest estimate for my shop slab. check your local landscape supplier.
How has the micro channel held up? I'm assuming you're talking about this stuff: NDS Micro Channel. They don't recommend for vehicle traffic, but with it being so narrow I wondered whether it would work ok.
 

fgl123

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Joined
Sep 28, 2011
Messages
50
Location
Walterboro,SC
It's been down a little over a year and has held up nicely. Luckily a friend has a concrete saw so there wasn't any extra cost. I put it as close as i could get to the garage door without hitting the walls on either side. I think it may be about 6" from the door. I used a grinder with a concrete blade to slope the floor away from my door. We're talking 1/4"to 3/8" at the most. Mine is open at both ends so I can easily blow it iut if needed.
 

DIYKiah

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Joined
Mar 15, 2012
Messages
255
Location
Harnett County, North Carolina
I am sure someone has already mentioned it, but I have seen garage doors that have rubber cushion things at the bottom along each side of the door that seem to form a seal with the floor on each side of the door and keep water from making it inside the garage. Not sure what they are called or who makes them though, anyone know?
 

jamm5266

Banned
Joined
Oct 31, 2007
Messages
17
I had the same issue with water coming under the door since the concrete dipped a little in one area. I was thinking about getting one of the thresholds and glue it down but I only had the water issue on 1 of four doors so I didn't want it to stick out or have to buy 4 so they matched so I put off doing anything. One day I was tinkering in the garage and spotted a 5' length of garden hose under the workbench and had a revelation. I hurredly looked at the garage door seal and it was the bulb type. The garden hose slide right in and exerts enough force to seal the door properly when closed. Problem solved and no cost.
 
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