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The MaxxAir Deluxe (MaxxFan 7500) fan install took about 4 hours. This was the first mod we did to the van just hours after taking delivery. Nothing like cutting a 14″ square hole in the roof as the christening procedure to kick off the build!
I basically followed the instructions of Hein from Impact3d who sells the ceiling and roof adapters that make this installation a breeze. We only used his roof adapter.
Wrapping a 3/4" piece of plywood in old carpeting worked well to distribute my 220 lbs. while working on the roof.
For the final stage of installation, I had some old Eternabond rubber roof repair tape that I used to cover the screws, adapter plates and onto the van roof. This didn't work well as the tape was a bit to old I think. It looked like rain was coming along with darkness in an hour so I ran up to the local True Value Hardware and picked up some Rustoleum Rubber Roof Seal in Black and crossed my fingers.
This stuff seems pretty amazing -- liquid rubber. It's super thick - I brushed on one coat, waited 30 minutes and put on the second coat. So far, so good.
More photos and info here: http://ultimatevanproject.com/category/exterior/maxxair-fan/
I basically followed the instructions of Hein from Impact3d who sells the ceiling and roof adapters that make this installation a breeze. We only used his roof adapter.
Wrapping a 3/4" piece of plywood in old carpeting worked well to distribute my 220 lbs. while working on the roof.
For the final stage of installation, I had some old Eternabond rubber roof repair tape that I used to cover the screws, adapter plates and onto the van roof. This didn't work well as the tape was a bit to old I think. It looked like rain was coming along with darkness in an hour so I ran up to the local True Value Hardware and picked up some Rustoleum Rubber Roof Seal in Black and crossed my fingers.
This stuff seems pretty amazing -- liquid rubber. It's super thick - I brushed on one coat, waited 30 minutes and put on the second coat. So far, so good.


More photos and info here: http://ultimatevanproject.com/category/exterior/maxxair-fan/