[Greenbuilding] innovative solution sought

[Nick Pyner]

Cheap plywood shot to the side of the rafters?


On 10/09/2016 12:59 AM, Sacie Lambertson wrote:
> All, We have an old house in which we want a well insulated unvented 
> attic.  We are replacing the existing roof (with metal) and installing 
> a minimal layer of XPS on top of the sheathing. We plan to use closed 
> cell spray underneath followed by dense pack cellulose between the 
> rafters.  The problem is the rafters, which are only 2x4s in this old 
> house.  I am looking for a creative least expensive way to provide 
> more rafter depth for the insulation.
>
> (We do not want to build up the insulation on the top of the roof 
>  sheathing because doing so requires the added cost of completely 
> rebuilding the existing soffits, which are in good condition).
>
> Will appreciate all your useful suggestions.
>
> Sacie
>
>
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