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Old 09-15-2013, 10:33 AM   #1
1 Rivet Member
1969 27' Overlander
bainbridge island , Washington
Join Date: Nov 2012
Posts: 7
Sub Floor Lay up

I have a 69' 27' International. I have removed the sub floor for replacement and took pictures so when I went to replace after the frame was done..... are off into cyberspace somewhere. Does anyone have a layout based on using 4 x 8 sheeting?

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Old 09-15-2013, 11:33 AM   #2
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1956 22' Safari
Vintage Kin Owner
Conifer/Evergreen , Colorado
Join Date: Feb 2002
Posts: 11,740
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The 4x8 sheets should run crossways (not a seam down the middle lengthwise) with the seams over the frame members 4' apart. You will have to cut the 8' length down to match the width of your trailer. The cross members of the frame are 4' apart - depending on the length of your trailer, the front & back pieces will also have to be cut (and corners curved) to fit.

Hope that helps....

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Old 09-16-2013, 08:09 AM   #3
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1973 21' Globetrotter
Houston , Texas
Join Date: Sep 2009
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I would expect the frame on your '69 is pretty similar to the one on my '73. On mine, I had cross members ever 2' apart, and they would alternate between being flush with the top of the frame rails, and being ~3/4" below the frame rails. The ones that are 3/4' low are the places where two sheets come together. The reason they are low is so that you can put a ~4" wide board underneath the seam and screw the sheets to it to form the butt joint. The cross members that are level with the frame rails should run across your sheets at the midpoint. I did have one sheet in my trailer that was not 4' wide, it was only 2', so there were two recessed frame rails to match that 2' distance.

good luck!
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