ASTM E72, Section 14 (Racking Load) states, “This test method measures the resistance of panels, having a wood frame, and sheathed with sheet materials such as structural insulating board, plywood, gypsum board, transite, and so forth, to a racking load such as would be imposed by winds blowing on a wall oriented at 90° to the panel.”

NTA is a provider of independent product and material testing services, and we offer the specific technology, A2LA accredited testing programs, extensive experience and detailed analysis of the results you need to give your building product credibility with both consumers and regulatory agencies. ASTM E72 is part of our SIP Panel Testing and Certification Program. Watch a demonstration of the Racking Test, performed at the NTA Test Lab.