[qcj]

I have seen OSB in several other places. In a couple of places under the coach like above the a/c there is OSB and above the drive shaft where some of the insulation has dropped a little,(I have plans to put the insulation back secure.) I really don't have that much problem with it. My roofer said it as strong or stonger than plywood???? It is there and Newell put it there. Seen it in too many places. Chappell

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Forest, The plywood is the hatch. Chappell