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Older SIPs

Older SIPs

Older SIPs

(OP)
OK, I am looking for some old span tables.

I am looking at a house constructed in 1997 with Insulspan SIPs. The roof panel joint/splines are 8'-0" on center. All the current literature addresses roof panels with joints at 4'-0" on center.

There are some significant defections and it looks like the panels may be overspanned. Any help would be appreciated.

RE: Older SIPs

(OP)
Doesn't look like it. The issue is deflection in the panels themselves. I think it is likely the spline spacing.

Thanks for the link, unfortunately it covers splines at 4'-0" on center, the in place panels are splined at 8'-0" on center. This is consistant with all the current literature I have seen.

 

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