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10-31-2012, 03:35 PM
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#1
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Senior Member
Join Date: Aug 2012
Posts: 390
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how are roofs and ceilings made
curiosity.-- i've got a 1992 american eagle. does anyone know the cross section (layers) of the roof and ceiling ?
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10-31-2012, 07:33 PM
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#2
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Senior Member
Join Date: Sep 2012
Posts: 4,232
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Generally it is (bottom up) paneling or whatever the ceiling is. Then stud work. Maybe insulation. Ductwork is in there if any. Then roof decking. Then rubber/roof material.
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10-31-2012, 10:31 PM
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#3
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Senior Member
Join Date: Aug 2012
Posts: 390
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roof decking ? 3/4 plywood ?
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10-31-2012, 10:43 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by wonderer1
roof decking ? 3/4 plywood ?
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More like 1/8" or 3/16" luan.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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11-01-2012, 01:47 PM
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#5
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Senior Member
Join Date: Aug 2012
Posts: 390
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Quote:
Originally Posted by Mr_D
More like 1/8" or 3/16" luan.
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luan ? for the roof deck ? i've been on the roof (250lbs) and haven't felt any flex under me. why i'm asking is getting ready to mount things to the roof and wondering what there's to screw into, since the wind will be trying to take them off ? there's an old style antenna, search light up there now. (1992 american eagle dp, arched roof)
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11-01-2012, 01:56 PM
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#6
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Senior Member
Join Date: Aug 2009
Posts: 1,696
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Quote:
Originally Posted by wonderer1
luan ? for the roof deck ? i've been on the roof (250lbs) and haven't felt any flex under me. why i'm asking is getting ready to mount things to the roof and wondering what there's to screw into, since the wind will be trying to take them off ? there's an old style antenna, search light up there now. (1992 american eagle dp, arched roof)
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If your roof is strong enough to properly support your weight, the underlayment SHOULD be thick and strong enough to screw into directly for most USUAL installations of additional items - but of course, for bulkier stuff, locating a roof stud would be a good idea...
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John Day....|'88 Winnebago Super Chief 27ft. Class A Eastern .....|'88 KIT model 240 24 ft. 5er Oregon ......|'02 Dodge/Cummins 2500 Quad Cab
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11-01-2012, 01:59 PM
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#7
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Senior Member
Join Date: Aug 2009
Posts: 1,696
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Quote:
Originally Posted by wonderer1
roof decking ? 3/4 plywood ?
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More likely 3/8 or so - adequate for most walking upon, if roof studs are spaced 16 inches or so apart...
__________________
John Day....|'88 Winnebago Super Chief 27ft. Class A Eastern .....|'88 KIT model 240 24 ft. 5er Oregon ......|'02 Dodge/Cummins 2500 Quad Cab
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11-01-2012, 02:05 PM
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#8
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Registered User
Vintage RV Owners Club Gulf Streamers Club
Join Date: Oct 2010
Location: Indiana
Posts: 4,951
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1/8" luan|wood framing|foam|1/8" luan sandwich..
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11-01-2012, 04:40 PM
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#9
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Senior Member
Join Date: Feb 2012
Location: Baton Rouge, LA
Posts: 1,202
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I have removed the Winegard antenna roof mounting hardware to replace the base plate. When you do this on our coach you will see more than 1 inch of plywood in the roof, plus the foam insulation beneath. I suspect Fleetwood laminated real plywood sheets together to make the roof. I would think an American Eagle would be even stronger, but don't know.
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Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue
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11-04-2012, 04:09 PM
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#10
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Senior Member
Join Date: Aug 2009
Posts: 1,696
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That's pretty thick for an entire roof - heavy too - I wonder if it might be that just that area around the TV antenna is that thick for antenna structure reinforcement? Another place to check, is at roof vents, and usually pretty easy to get to...
__________________
John Day....|'88 Winnebago Super Chief 27ft. Class A Eastern .....|'88 KIT model 240 24 ft. 5er Oregon ......|'02 Dodge/Cummins 2500 Quad Cab
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11-04-2012, 04:32 PM
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#11
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Senior Member
Join Date: Jun 2012
Location: The Bluegrass State
Posts: 8,889
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Quote:
Originally Posted by Midniteoyl
1/8" luan|wood framing|foam|1/8" luan sandwich..
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To the best of my memory this what I saw on a Fleetwood factory tour. (forgot about the fabric ceiling material and the rubber roofing material) Everything was coated in glue then placed on a vacuum table and the air removed until the glue set. That way everything was pulled together and all acted as one multi layered unit.
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Good Luck, Be Safe and Above All, Don't Forget To Have Fun 
Pete
Central Kentucky
2006 Fleetwood Discovery 35H, 2014 Honda CR-V, M&G Engineering Braking System
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11-04-2012, 04:43 PM
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#12
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Senior Member
Damon Owners Club Ford Super Duty Owner
Join Date: Jul 2008
Location: Nashua, NH
Posts: 721
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Here is what my Daybreak manual shows
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