Pat Henan
About
Timber frame architect and educator, founder/director of Shelter Institute, 45-year veteran of timber frame design and construction
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Claims by Pat Henan (20)
Timber are attached to each other in timber frames using mortise and tenon joints with pegs, engineered so that the uplift force from wind trying to blow the structure away, the lateral push of wind trying to shear and bend it, and all other stresses are calculated with precisely the right amount of wood left at each joint, and steel is added if necessary.
When a timber frame is covered with SIP panels and fire-rated drywall, and the SIP panels are attached with hundreds of screws into the timbers, the resulting structure is extraordinarily strong, hurricane-resistant, and earthquake-resistant because the system acts as two houses held together.
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