foamboard insulation

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dondi
Posts: 33
Joined: Tue May 03, 2011 3:14 pm

foamboard insulation

Post by dondi » Fri Sep 27, 2013 5:48 pm

is it legal in new jersey to glue foamboard to the underbelly of my mobile home? it has that hard belly board on it now. i had heard in some states it must be covered with plywood or something. don't want to make it to heavy belly board wont hold plywood too mobile home is 1985 and sits on a cement slab skirting is cement blocks all around just like a stick built house

corning makes 2 inch thick interlocking foam boards

David Oxhandler
Posts: 1459
Joined: Tue Oct 02, 2007 8:37 am

Re: foamboard insulation

Post by David Oxhandler » Fri Sep 27, 2013 8:52 pm

There is no place in the country that I am aware of that requires plywood covering a manufactured homes belly board... AKA vapor barrier.

What wold be the point of adding any type of board, heavy or light to the bottom of your manufactured home? There will be a time when you need to do repairs or maintenance on the electric plumbing or ventilation system built into the floor system.
David Oxhandler
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dondi
Posts: 33
Joined: Tue May 03, 2011 3:14 pm

Re: foamboard insulation

Post by dondi » Fri Sep 27, 2013 8:58 pm

i heard it must be covered with a 15 minute fire retardent material.i know interior walls must be covered sheet rock is all required , can t find any info on unerside of mobile home i hope its ok

David Oxhandler
Posts: 1459
Joined: Tue Oct 02, 2007 8:37 am

Re: foamboard insulation

Post by David Oxhandler » Sat Sep 28, 2013 11:11 am

I never thought about the fire rating of foam board before so I did a little reading on line and found this

The HBCD fire retardant in polystyrenes is now the target of high concern globally. This persistent, bioaccumulative, and toxic chemical is associated with hormone disruption and reproductive disorders and is one of the top sixteen chemicals being studied for elimination .......

Avoid the toxic foam boards entirely - Use a blanket or batt insulation that does not require halogenated flame retardants where possible.

See more at: http://www.pharosproject.net/blog/detai ... XUnUT.dpuf

You can accomplish your goal by skirting your home with one of the cast concrete products available. See

http://concreteskirting.com/whatis.php

http://duraskirt.com/.
David Oxhandler
[email protected]

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