Why is Timber Frame and Panel Safer and More Durable ?
Whereas earlier post-and-beam relied on scanty sheathing such as cedar shingle or clapboard to insulate the structure and accommodate a particular architectural style, the exterior sheathing of modern timber frame and panel construction is a structural insulated panel or SIP. This consists of a 5-inch expanded polystyrene (EPS) core of foam plastic insulation, securely bonded between two structural facings of oriented strand board (OSB) This sandwich wall structure functions like a steel I-beam, analogous the web-and-flange concept in steel construction, delivering superior strength and transverse load resistance. SIP structures better withstand hurricane winds and earthquakes, providing better building security and longevity.