Coast Resorts Open Roads Forum: '15 Coachmen Class C Roof Construction (layer diagrams)?
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 > '15 Coachmen Class C Roof Construction (layer diagrams)?

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DustyRooster

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Posted: 06/27/23 07:23pm Link  |  Quote  |  Print  |  Notify Moderator

Hi all!

Looking for some help/guidance.

I just purchased a 2015 Coachmen Freelander 27QB and I am about ready to mount a few solar panels up top.

I am having a hard time finding any information on how coachmen constructs their roofs. Ie. How thick the wood layer is, insulation layer etc.

My biggest question would be does Coachmen have aluminum or joist type rails between or under a wood or insulation layer I am able to anchor my mounts on?

I have mounted on EPDM with SS screws in the past, but this Class C has an ever so slight angle on the front cab over where I would like to put a couple panels. I would really like to mount to a solid stud of some sort instead of just thin wood.

Wondering if anyone has any knowledge or experience with the Coachmen roof and the layers of construction.

Thanks for any guidance!

DR

ScottG

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Posted: 06/27/23 08:20pm Link  |  Quote  |  Print  |  Notify Moderator

If you can find an old brochure for your model it may show how it's constructed. I know my brand does.

MDKMDK

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Posted: 06/28/23 04:31am Link  |  Quote  |  Print  |  Notify Moderator

Have you contacted Coachmen RV? They still exist. They might know.


Mike. Comments are anecdotal or personal opinions, and worth what you paid for them.
2018 (2017 Sprinter Cab Chassis) Navion24V + 2016 Wrangler JKU (sold @ ????)
2016 Sunstar 26HE, V10, 3V, 6 Speed (sold @ 4600 miles)
2002 Roadtrek C190P (sold @ 315,000kms)

DustyRooster

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Posted: 06/28/23 04:50am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for your reply @scottG and @mdkmdk

I have been searching for the brochure online, and I contacted Coachmen 2x over the last month with no response yet. Figured I'd try here.

Thanks again for your suggestions!

MDKMDK

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Posted: 06/28/23 04:53am Link  |  Quote  |  Print  |  Notify Moderator

It would be safer to wait for the manufacturer to get back to you with accurate engineering info. They do take a few days in most cases. Supplying them with the VIN and or manufacturer's unit id usually helps them respond, based on your exact unit.

bobndot

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Posted: 06/28/23 07:19am Link  |  Quote  |  Print  |  Notify Moderator

Quote:

contacted Coachmen 2x over the last month with no response yet


Did u email them or call ? Large companies get hundreds upon hundreds of emails on a day to day basis that they cant keep up with. Especially tech related bc it involves being passed on to another person.

Calling has better results than emailing. Ask to speak to a tech or service rep. They should at least answer the phone when people call.

bobndot

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Posted: 06/28/23 07:34am Link  |  Quote  |  Print  |  Notify Moderator

Youtube shows factory various tours.

This one is 4 yrs ago.
https://youtu.be/hQ0BZ09HGxg


AFAIK, they used walkable roofs with wood studs, 3/8” ply and aluminum skin but i don’t know the exact years of those builds in regards to using the aluminum skin.
I cant see them changing the plywood or frame.
At least the roof thickness should be the same . I don't think the Insulation R - value has changed over the years, thickness should be the same.

DustyRooster

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Posted: 06/28/23 12:22pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks, @MDKMDK. I agree and I did provide them my VIN# and the ID near the entry door.
@bobndot
Thank you for this! I will check this out, and pay a bit more attention to my search criteria in you tube. Of all the searching I have done, I am surprised I didn't run across this video. I appreciate you taking the time to find this!
I thought I had read Coachmen used aluminum studs in the walls, with azdel on the outside wall, and the typical luan on the inside wall.
When I installed a new vent fan, I saw that same luan on top of the closed cell foam of the roof insulation, then the epdm on top of that. But did not see any "studs" of the ceiling structure.

Anyways, appreciate the feedback, I have a few things to look into/watch, and CALL Coachmen [emoticon]

-DR

bobndot

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Posted: 06/28/23 12:29pm Link  |  Quote  |  Print  |  Notify Moderator

As said, im not 100% sure about the roof structure in 2015.

DustyRooster

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Posted: 06/29/23 12:32pm Link  |  Quote  |  Print  |  Notify Moderator

Afternoon!

Just a quick update!

It almost feels as thought somebody from Coachmen was perusing these forums. Just today I received the CAD drawings of the roof construction via Email from my past request(s). Drawings show exactly where the aluminum studs are so I can get a good grip when I mount those panels!

Thanks everyone for taking the time to read and provide feedback!

Happy Travels!

DR

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