Poorly designed ductwork - need opinions!
I have a fifth wheel with a heating problem. The duct feeding my bedroom is basically made of a sheet of 1/2" foam board taped across two aluminum floor joists. Both ends are capped off with foam bo...
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You could use some home flex a/c duct if you have the space. It can be bought at Homedepot and such. It comes in 25ft in a box then you would have no seems to leak.
