So what is the best way to attach the insulation to the osb board.

Thanks

Yea i know about the osb and rot had to replace it before.
I do need to do some work on the underbelly where i have made plumbing repairs.
Last year winter electric bills were very high. Was wondering if that will help some putting up insulation behind the osb board.

Thanks

Hello everyone my double wide has osb board around it for underpinning and was wondering if i should put foam board behind it for insulation in the winter time.

Thanks William

Thanks

Thanks Greg

Sorry for the misunderstanding. They cut the old one out and put in new one in diferent location
and yes i do have air flow on both sides of the house.We were just wondering if we needed to reconnect the old one and have both flex ducts connected.

I do have one crossover that connects from the ac/heat pump.
before they put in the ac there was one that connected both ducts together.
They cut that one and zip tied it off on both ends.

Hello everyone this is my first post here looking for some help. My wife and i live in a double wide mobile home and have question about a cross over duck that is disconnected. When had a air conditioning put in they disconnected the cross over that came with the house off of the furnace,and put the...