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Old 08-29-2013, 07:13 AM   #43
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I know for a fact that in early 2007 Newmar quit using luan backed fiberglass and went to fiberglass backed fiberglass on the high end line of coaches. I was under the impression that they were phasing it in for their entire line of coaches.

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Old 08-29-2013, 07:17 AM   #44
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OK...this is officially turning into a yawn fest. Using a negative argument from a sales brochure (they must laminate because they don't say they don't) is interesting but unconvincing given what I have seen with my own 2 eyes. I give that argument the weight to which it is due.

I've seen the video, I have been on the Newmar plant tour and I have yet to be convinced by anyone that Newmar laminates plywood on the side walls in any manner to cause the dreaded delamination most often talked about.

Perhaps those thinking Newmar laminates plywood to the outer skin can take the time to do the Newmar plant tour and blow the lid off of the Newmar lies? I was allowed to take my camera with me and take lots of photos so finding the smoking gun evidence should be easy to see. Maybe they can discover the secret Kool-Aid brew we all drink when we committed to owning a Newmar product.

Don, Sandee & GSD Zeus. Gardian Wings earned are GSDs Gunny (7/11/15) & Thor (5/5/15)
2006 DSDP 4320, Spartan MM IFS, 2013 CR-V, Blue Ox Avail, SMI AF1, Samsung 197R Refer.
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Old 08-29-2013, 05:17 PM   #45
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Stan if you can take a tour sometime and see the process than maybe you will buy the coach you want, if you can get the options you want.
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Old 08-29-2013, 06:25 PM   #46
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Laminated walls consist of an outer skin, usually fiberglass, (metal framework I believe), a foam type insulation core, and inner wood paneling all bonded or laminated into one piece. These are the sidewalls that can suffer delamination.

These walls usually do not have wiring in them. Many Fleetwoods and others use laminated walls. At one time they were easily identified as they have no light switches or receptacles in the outer walls. The light switches and receptacles are on the bottom of the upper cabinets.

Newmar does not use laminated walls. They use aluminum studs with fiberglass insulation between them. The inner paneling is "glued" to the studs. Also the outer sidewall is "glued" to the studs.

For years Newmar and many RV manufacturers used and still use sidewalls supplied by Crane Composites/Noble.

These sidewalls were originally a fiberglass outer skin bonded to a luan substrate. The luan substrate was a frequent cause of sidewall defects, but delamination was not usually associated with these sidewalls.

As member Iron Man notes above, Crane/Noble started supplying the C-Tek sidewall which was all man made with no luan substrate, which Newmar starting using in the high end coaches. This sidewall proved to be superior to the luan substrate sidewall.
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP

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Old 08-29-2013, 09:20 PM   #47
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Originally Posted by "007" View Post
Stan if you can take a tour sometime and see the process than maybe you will buy the coach you want, if you can get the options you want.
007, We already have the options picked out. The only thing stalling us a the moment is the delivery date: December!! That's no time to be learning the vagaries of winterizing an unfamiliar coach; not to mention driving a new rig home in a snow storm. We will probably place our order sometime around February, and reluctantly use our old rig this winter.

Stan Birch
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