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Old 08-17-2016, 07:46 PM   #1
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Default Sealing Traffic Loops

I was wondering what other contractors use to seal the traffic loops they put in concrete or asphalt road surfaces? I know many electricians may have never installed a loop, but some have. For those that do/have, what did you use to seal them?
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Old 08-17-2016, 08:05 PM   #2
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We have some loops cut into the concrete for doors. They seal them with the same stuff the concrete guys seal their cuts with.

If the concrete is out we build them with PVC.
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Old 08-17-2016, 09:09 PM   #3
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Way back when ,when I worked for the DOH we used a 3M calking called Weatherban 101. you had to buy it by the case and in the mid 70's it was like $ 110.00 a case.
Sometimes you can find state DOH specifications on line and it will specify what your state uses. If your city has a traffic engineering department pay them a visit. They may even tell where you can buy what they use.

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Old 08-17-2016, 09:14 PM   #4
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Quote:
Originally Posted by Lone Crapshooter View Post
Way back when ,when I worked for the DOH we used a 3M calking called Weatherban 101. you had to buy it by the case and in the mid 70's it was like $ 110.00 a case.
Sometimes you can find state DOH specifications on line and it will specify what your state uses. If your city has a traffic engineering department pay them a visit. They may even tell where you can buy what they use.

LC
Always built them before the concrete went in, but I remember the equipment installer talking about 3M

did a search, found this
http://its-traffic.com/wp-content/up.../LOOP_5000.pdf
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Old 08-17-2016, 09:24 PM   #5
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Always put them in after concrete was poured. Then we would blow the water out then calk with the Weatherban 101. After that we would stretch toilet paper over the calking. then open the lane back up. The toilet paper would hold the calking in place until cured. Once cured the traffic would ware the toilet paper off and the calking would stay in place.
Done it several times.

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Old 08-17-2016, 10:05 PM   #6
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You guys have been real helpful.....I'm gonna check this Weatherban stuff out!
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Old 08-18-2016, 05:11 PM   #7
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There are several self leveling options out there that you pour in. Like sealex e-z, better then the caulking method.
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Old 08-19-2016, 08:07 AM   #8
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In my city we put them before they put asphalt (about 3-4 inches asphalt over them) , so they are just a basic pvc loop and we fill junctions box with plastic silicone (one that isnt corrosive to copper) . Always worked great till they remove or cut asphalt and scrap the loops so i replace them every 5-10 years
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Old 08-19-2016, 09:05 AM   #9
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I have always just used black driveway caulk/sealer. Never really thought a second time about it.
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Old 08-19-2016, 09:22 AM   #10
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I remember the last place I worked getting 5 gal cans of a self leveling sealer from a chemical company called Drummond America but I couldn't find them in a search.
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Old 08-20-2016, 12:21 PM   #11
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I appreciate all your guys help. Some of the products that were mentioned in this thread don't seem to be available anymore. I liked the comment that sbrn33 made....I too have used driveway caulking....its worked fine.....after all, we're not building a piano here.....
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Old 08-20-2016, 12:44 PM   #12
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Weatherban 101 was the specified sealant here too for DOT contracted drive loops.
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