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04-25-2011, 02:38 PM
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#1
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Rivet Master
1984 34.5' Airstream 345
Foothill Ranch
, California
Join Date: Mar 2010
Posts: 4,695
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What is the metal sub-floor made of?
Looking up at the underside of my Classic, above the P30 Chassis, and on top Airstream Subframe, I see a metal sheet... looks like Aluminum.
I see them rolling it out on that great Motorhome Construction video on Youtube, and pop riviting it in place...
Good excuse to watch it again!
Is it Aluminum, or something else?
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04-25-2011, 04:27 PM
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#2
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3 Rivet Member
Join Date: Sep 2010
Posts: 159
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It is most definitely aluminium.
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04-25-2011, 04:32 PM
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#3
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Rivet Master
Currently Looking...
_
, _
Join Date: Mar 2008
Posts: 2,383
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Quote:
Originally Posted by Keyair
Looking up at the underside of my Classic, above the P30 Chassis, and on top Airstream Subframe, I see a metal sheet... looks like Aluminum.
I see them rolling it out on that great Motorhome Construction video on Youtube, and pop riviting it in place...
Good excuse to watch it again!
Is it Aluminum, or something else?
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I love that video!
__________________
May a Firefly land upon your shoulder
and bring you good luck, good fortune, and abundance.
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04-25-2011, 06:31 PM
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#4
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3 Rivet Member
1986 34.5' Airstream 345
Key West
, Florida
Join Date: Jun 2010
Posts: 168
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I think mine is steel, it is rusting badly. It may be galvi I don't know.
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04-25-2011, 07:18 PM
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#5
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Rivet Master
1974 31' Excella 500
Charleston
, South Carolina
Join Date: Nov 2010
Posts: 1,073
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Stick a magnet on it.
__________________
As I grow older, I pay less attention to what men say. I just watch what they do.
- Andrew Carnegie
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04-25-2011, 09:43 PM
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#6
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Rivet Master
1984 34.5' Airstream 345
Foothill Ranch
, California
Join Date: Mar 2010
Posts: 4,695
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I will be getting under there and testing with the Magnet, but I was puzzled as to what it was... I was swinging between galvi and Ali!
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04-25-2011, 10:30 PM
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#7
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Rivet Master
1982 28' Airstream 280
Port Angeles
, Washington
Join Date: Aug 2008
Posts: 1,942
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Mine is aluminum covered with a rubber or vinyl membrane and then the plywood sub-floor.
Cheers, Dan
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04-25-2011, 11:21 PM
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#8
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Rivet Master
1989 34.5' Airstream 345
Silverton
, Colorado
Join Date: Oct 2003
Posts: 2,102
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Subfloor...
don't get it wet to find out!!!m
__________________
Michael & Tracy
1989 345 Motorhome
CHARTER MEMBERS: FOUR CORNERS UNIT, AND PROUD OF IT!!!
We live for the moment, 'cause when you get there, it's gone...
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04-25-2011, 11:35 PM
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#9
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Rivet Master
1936 20' Clipper
1947 22' Liner
Curtis Wright
1989 37' Airstream 370
marshfield
, Massachusetts
Join Date: Nov 2009
Posts: 789
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Hi Key,
That metal layer is definitely steel on my 1990 325. I had to do MAJOR repair/replace work on my floors and spent lots of time cutting out big sections of that layer in the process. I removed everything from the rear bumper to the wheel wells, the entire raised cockpit floor, and four feet of the living room. It was heavily rusted and quite deteriorated in many areas. What a bear of a project it was. While that metal layer offers protection to the subfloor from the road below, it also prevents any interior water leaks from escaping through it, or gradually drying out. While some units seem to have plywood, my subfloor consisted of a layer of flake board, and we all know what happens when that stuff gets wet.
I hope that your floor doesn't look like mine! Good luck! Charly.
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04-26-2011, 04:28 AM
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#10
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3 Rivet Member
1986 34.5' Airstream 345
Key West
, Florida
Join Date: Jun 2010
Posts: 168
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Quote:
Originally Posted by streamquest
Hi Key,
While some units seem to have plywood, my subfloor consisted of a layer of flake board, and we all know what happens when that stuff gets wet.
I hope that your floor doesn't look like mine! Good luck! Charly.
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I have the same thing in mine must have been an effort to save money in the mid to late 80s.
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04-26-2011, 12:23 PM
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#11
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Rivet Master
1984 34.5' Airstream 345
Foothill Ranch
, California
Join Date: Mar 2010
Posts: 4,695
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Mine is flakeboard too where I can see it, and I have some water ingress in the curbside bedroom closet next to the safe... First I thought it was the leak I found in the shower plumbing, so was puzzled by the fact it was wet and soggy again a few months later, after we had rain.
I think its the awning mounting, so i have some new sealant and will get up there and look soon.
My question was born out of my concern for that interlayer, and sounds like I need to be concerned...
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04-26-2011, 09:39 PM
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#12
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Rivet Master
1936 20' Clipper
1947 22' Liner
Curtis Wright
1989 37' Airstream 370
marshfield
, Massachusetts
Join Date: Nov 2009
Posts: 789
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Hey Key,
The fun never ends in Airstream World!! PARTY ON!!!!
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04-27-2011, 11:05 AM
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#13
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Rivet Master
1984 34.5' Airstream 345
Foothill Ranch
, California
Join Date: Mar 2010
Posts: 4,695
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Yup, and my party has barely started!
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05-08-2011, 05:38 PM
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#14
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Rivet Master
1984 34.5' Airstream 345
Foothill Ranch
, California
Join Date: Mar 2010
Posts: 4,695
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OK, OK.....
Drum Roll................
The Metal Sub floor on my 1984 is NOT Steel or Galvanised Steel.
I checked today, and a strong magnet will not stick, even slightly.
I poked and prodded and I am fairly convinced its Aluminum!
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05-08-2011, 07:01 PM
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#15
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Rivet Master
1993 33' Land Yacht
Midland
, Michigan
Join Date: Sep 2005
Posts: 508
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Metal Subfloor
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05-08-2011, 07:12 PM
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#16
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Rivet Master
1993 33' Land Yacht
Midland
, Michigan
Join Date: Sep 2005
Posts: 508
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Underside of motorhome
While working under the motorhome I noticed this and was wondering if anyone knows what it is - or what it does??
a few more pics
[ATTACH][ATTACH][ATTACH] [/ATTACH][/ATTACH][/ATTACH]
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05-08-2011, 08:12 PM
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#17
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Rivet Master
1982 28' Airstream 280
Port Angeles
, Washington
Join Date: Aug 2008
Posts: 1,942
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That round disc with the cross pattern and a bunch of wires is the level sensor for your HWH leveling jacks. It's mounted on three bolts so you can fine tune it. I don't know if your system is automatic or not but on my manual system it lights up four lites. You raise the corners that are lit up and when all the lights are out the coach is level.
If you have any of that paint left feel free to come play under my coach. My sub panel is aluminum so you only have to do the frame rails and suspension.
Cheers, Dan
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05-09-2011, 06:22 PM
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#18
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Rivet Master
1993 33' Land Yacht
Midland
, Michigan
Join Date: Sep 2005
Posts: 508
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Dan, thanks for the info on my jacks. Actually the project took way more paint, time and work than I thought it would, and I used every bit of the paint up, sorry. But it was one of those projects that I would classify as, once is quite enough. Thanks again Randy
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05-09-2011, 06:51 PM
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#19
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Rivet Master
1989 34.5' Airstream 345
Jamestown
, Kentucky
Join Date: Aug 2009
Posts: 577
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Very, Very Impressive glorian
The effort and talent of persons posting , and sharing on this Forum is Supreme. to say the Least.
where did you get your coil springs and IPD stabilizer glorian
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05-10-2011, 11:21 AM
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#20
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Rivet Master
1993 33' Land Yacht
Midland
, Michigan
Join Date: Sep 2005
Posts: 508
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John, I had the IPD front stabilizer and Steer Safe installed at Gary's Safty Center in Bay City Mi. The Henderson front coil springs I bought through Camping World. I think the coil springs made a big difference in ride.
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