Open Cell Foam Insulation Issues

[OE812]

I have recently installed more lighting in my 2 attics and several deck panels for ease of walking. I have noticed that the spray foam job my contractor provided has several blisters, voids, hills, and valleys. Also, some of the wall king studs do not have foam in them (see photos). BTW the house was framed with 16 to 20 gauge steel.

Is this normal for open cell foam insulation application and if not, what can I do to correct the problem?

Thanks, Jeff

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[David Meiland]

Got any larger photos?

[Marc]

The September issue of JLC (Journal of Light Construction) had a nice article on spray foam insulation. I bet you could get your questions answered by reading it. Membership in JLC online is required to view it.

Marc