Maximum span horizontally 4' o.c. Seam cracking at drywall joints is a common problem on unsupported seams. Best use is down rafters at 4' o.c. Sometimes used for walls where budget is a consideration in spite of cracking. Maximum span horizontally 4' o.c.
Seam cracking at drywall joints is a common problem on unsupported seams.
Best use is down rafters at 4' o.c. Although they are not inspected, they can often be used in place of stamped SIPs, less expensively. Our SIPs are manufacctured to stamped SIP specifications. Maximum spans per engineering data provided. When laminated into a 4' x 8' SIP, it is easy and quick to install.