Can I put exterior sheathing over 1 1/2" rigid insulation on an exterior wall w/o hurting the structural integrity of the house?

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Can I put exterior sheathing over 1 1/2" rigid insulation on an exterior wall w/o hurting the structural integrity of the house?

I want to put 1 1/2" rigid insulation on the exterior walls of a new home I will be building soon to help with the thermal transfer. I have used it before but have always put the rigid over the sheathing then strapping over the rigid. I would like to eliminate the strapping and put the rigid on the studs then the aspenite over the rigid. I would screw the aspenite to the studs but am concerned that the walls might loose some ridigity and strength. I am using vinyl siding so my other option is to use a longer siding nail and put the rigid over the aspenite. Any thoughts or concerns with this would be helpful.

Asked by Mark Audette
Posted Wed, 01/16/2013 - 20:59
Edited Thu, 01/17/2013 - 05:10

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