Photos and Links to the Alternative Energy House in Houston TexasDurabl Triple LEED Approved The only triple reviewed and approved LEED house in the United States in Houston Texas built by This Houston, TX home IS the only TRIPLE CERTIFIED (IBHS, USGBC, DOE) in the country. Buildblock ICFs played an important role aiding in the triple certification. First of all, ICF is perfect for the US Gulf Coast. The coast suffers from termites, humidity, rodents, mold, mildew, heat, cold, rain, bugs, roaches, and, of course, the occasional tropical storm and/or full blown hurricane.All these are the mortal enemies of wood framing and houses built this way are essentially obsolete before they are occupied. This region calls for building with a massive, strong, hugely insulated, nature resistant, wall system. Ker Thomson with Durable Residential Builders states: We started with the environment of the US Gulf Coast and in ...