Our ‘Engineered Design of SIP Panels’ white paper offers all the most current design practices for working with SIPs. NTA is accredited by International Accreditation Service (IAS), under ISO/IEC 17025 to test, ISO/IEC 17020 to inspect, and ISO/IEC17065 to certify SIPs. In fact, the DIY Network chose NTA to perform SIP testing for the television series “Deconstruction”!