what grade of aluminum for Aerolite frame? - Dutchmen Owners

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Old 07-24-2018, 12:47 PM   #1
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what grade of aluminum for Aerolite frame?

I'm looking to have additional cross-members welded into the floor framing on my just-acquired 1997 Aerolite 21RB. Any idea what grade of aluminum is used in these frames? What grade of aluminum rectangular tube should be used for the additional cross-members?

I'm replacing the entire floor as it was sopping wet and rotted. The floor sagged and I just found that a cross-member was broken. I'm stripping the floor down to the frame, and am removing/discarding the underside metal exterior skin as I can't believe that to be a great design idea, once water gets in how would it ever get out.

Any trick to removing the floor-to-ceiling wall panels without damaging the ceiling?
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Old 08-02-2018, 11:46 AM   #2
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I picked up 6061 rectangular and square tubing for the additional cross-members. I managed to remove the old floor without removing the floor to ceiling walls, so things are moving along. I've decided to retain the bottom metal sheath.
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