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ICC NTA tested 6.5-inch SIPs in the national laboratory in 2018. This video shows the impact test applied to the SIP. The results demonstrate how structural insulated panels offer not only a strong, resilient-to-impact material, but also that the impacted oriented strand board (OSB) showed minimal signs of splintering to become a contributing hazardous object. Another equally important evaluation in testing is the penetration depth. Every hole in a structure is another vulnerability. The tested SIP was not penetrated by the 2x4, thus passing ICC NTA’s test and earning the 2020 Florida Product Building Code Approval for High Velocity Hurricane Zones for both walls (report FL28131-R1) and roofs (FL30056-R1) Building with SIPs delivers a sturdy, superior envelope defending against structural damage and the deluge accompanied by hurricanes. With their ability to withstand impact or taking minimal damage, SIPs make an ideal choice in regions with exceptional storms.
The strength of construction is one of the biggest arguments in favor of panel construction over traditional wood framing. When you hear about panel buildings surviving hurricanes and earthquakes while their traditionally framed neighbors shatter into sticks, you must take notice.

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