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Dicor Self Leveling Lap Sealant and TPO

1L243
Explorer II
Explorer II
I have a TPO roof membrane. I have used Dicor on other rigs many times some were EPDM and some were TPO. I have always used Dicor 501. I had read that it was good for EPDM and "MOST" TPO membranes. I never seem to have a problem. Now I see there is a special two stage Dicor Sealant. I hate trying new products and would prefer to stay with what I have used in the past. Any thoughts or experience using self leveling sealants on TPO would be appreciated.
2017 Coleman 300tq by Dutchman Toy Hauler. 34.5 feet long and under 10k Gross. 500 watt Solar 2000 watt Inverter, 1999 Ford F250 2WD 7.3 4R100 DP Tuner, S&B Cold Air Intake, Gauges, 6.0 Trans Cooler, Air Bags.
3 REPLIES 3

mbopp
Explorer
Explorer
If you have an Alpha Systems TPO roof they recommend using their own sealants (available on Amazon.)
2017 Grand Design Imagine 2650RK
2019 F250 XLT Supercab
Just DW & me......

theoldwizard1
Explorer
Explorer
For TPO, I would try to open up the joint, clean it and re-heat weld it.

Lynnmor
Explorer
Explorer
The two part Ultra system has been out for nearly ten years, I think that most don't know about it or choose to ignore it.

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