Requirements are Pressure times the area of the roof must be greater than the weightof the roof - simple really!!!
Senior Member
Requirements are Pressure times the area of the roof must be greater than the weightof the roof - simple really!!!
Junior Member
A few comments:
Must insure no lapse in power supply to fan.
Use winches to maintain level.
Roof weight divided by roof area must be less than deliverable fan pressure.
All leak points must be sealed.
Go to youTube for many examples of air raising.
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