How strong are SIPs?

The structural characteristics of SIPs are similar to that of a steel I-beam. The OSB facers act as the flange of the I-beam, while the rigid foam core provides the web. This design gives SIPs an advantage when handling in-plane compressive loads. SIPs are used for high wind designs in excess of 180 mph and are approved for Florida's strict High-Velocity Hurricane Zones (HVHZ). The load-bearing area of SIPs is equivalent to building with 2 x 10 framing at 16 inches on center.

SIPs can be engineered for most applications. Detailed information on the structural performance of SIPs is available from your regional representative.