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Western North Carolina Green Building Council

Alternative Wall Systems


Insulating Concrete Form

ICF WEB - ICF's, professional directory, and online forums

Autoclaved Aerated Concrete Block

Autoclaved Aerated Concrete Products Association - AACPA is a network of organizations and individuals promote autoclaved aerated concrete products through research, education, and standardization

Precast Wall

Superior Walls - Precast concrete wall panels, basement, insulation panels, and energy efficient

Structural Insulated Panel

Structural Insulated Panel Association - Non-profit trade association representing manufacturers, suppliers, fabricators/distributors, design professionals, and builders committed to providing quality SIP's for all parts of the construciton industry

Timber Frame

LEED certified timberframe home

Timber Framers Guild - Non-profit educational membership association serveing as a center of timber frame information and design for the professional and the general public