This is just another thought out of the blue:
You may be able to build rafters out of plywood or board. Think exposed rafters in a home. The rafters would have to be cut to the correct curvature for the rear roof at each location needed. They would not be more than 1/2 inch in height at the walls if even that. Is there enough strength at this thickness? They could be attached to the walls with angle brackets. The other problem would be clearance when the top is down. Precise location may answer this issue.
Mike
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Mike Laupp
2013 Jayco Eagle Premier 351RLTS 5er - Honda 2000i x2 w ext. run tank
2017 F350 King Ranch ultimate CCLB SRW 6.7L V8 TD Fx4 BakFlip F1 & BakBox
TM History: '97 2720, '02 2720SL, '03 2720SL, '04 3326K. 2001 - 2012 yrs owned.
1990 Isuzu Trooper II 283 V6
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