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Old 11-22-2020, 08:25 PM   #1
OldVol
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Roof Type

I have a 2019 Montana 3700LK. What type of roof doesn’t it have?
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Old 11-22-2020, 08:50 PM   #2
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Click on this link and it will tell you how to determine what roof material you have, EDPM or TPO.
https://www.keystonerv.com/owners-ho...dpm-or-tp-roof
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Old 11-23-2020, 06:44 AM   #3
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Don't think Keystone uses it but several are going to PVC roof membrane.
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Old 11-23-2020, 08:23 AM   #4
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Quote:
Originally Posted by rohrmann View Post
Click on this link and it will tell you how to determine what roof material you have, EDPM or TPO.
https://www.keystonerv.com/owners-ho...dpm-or-tp-roof
Thank you
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Old 11-23-2020, 08:32 AM   #5
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There is a third type that could be on your roof.

I specifically asked my dealership what type of roof was on my 2019 High Country and they told me it was Alpha. They told me it is NOT EPDM or TPO and to NOT use products for EPDM or TPO on it. I needed to use only Alpha sealers and caulking. So, the day I purchased the camper, I picked up a couple tubes of Alpha calking from them. It's not cheap!

Before just assuming it's one or the other, I suggest you confer with your dealership and get a straight answer. If you do have the Alpha system, you do not want to be using anything but Alpha sealers on it.

Here's a link to the Alpha web site: Click here.
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Old 11-23-2020, 10:29 AM   #6
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Quote:
Originally Posted by DutchmenSport View Post
There is a third type that could be on your roof.

I specifically asked my dealership what type of roof was on my 2019 High Country and they told me it was Alpha. They told me it is NOT EPDM or TPO and to NOT use products for EPDM or TPO on it. I needed to use only Alpha sealers and caulking. So, the day I purchased the camper, I picked up a couple tubes of Alpha calking from them. It's not cheap!

Before just assuming it's one or the other, I suggest you confer with your dealership and get a straight answer. If you do have the Alpha system, you do not want to be using anything but Alpha sealers on it.

Here's a link to the Alpha web site: Click here.
The alpha roof is a TPO roof system
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Old 11-24-2020, 08:27 AM   #7
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From the Alpha website
Question: What type of roofing membrane does Alpha currently carry? Answer: Alpha’s SuperFlex roofing membrane is a TPO, which stands for thermoplastic polyolefin.
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Old 11-24-2020, 08:53 AM   #8
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Originally Posted by DutchmenSport View Post
There is a third type that could be on your roof.

I specifically asked my dealership what type of roof was on my 2019 High Country and they told me it was Alpha. They told me it is NOT EPDM or TPO and to NOT use products for EPDM or TPO on it. I needed to use only Alpha sealers and caulking. So, the day I purchased the camper, I picked up a couple tubes of Alpha calking from them. It's not cheap!

Before just assuming it's one or the other, I suggest you confer with your dealership and get a straight answer. If you do have the Alpha system, you do not want to be using anything but Alpha sealers on it.

Here's a link to the Alpha web site: Click here.

Thank you very much. Will do.
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Old 11-24-2020, 08:24 PM   #9
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All this discussion on roof materials, it boils down to what sealants you can use on them. Regular Dicor, self leveling or non leveling is good on any of them. https://dicorproducts.com/product/se...-lap-sealants/
https://dicorproducts.com/product/no...-lap-sealants/
You do not want to use any other sealants on RV roofs, including silicone.
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