Patent ID: 7631466
Filing Date: 2009-12-15
Classification: E04B,Y10S

Abstract:
1. A system for controlling moisture in a building wall having stacked straw bales at its core comprising: a foundation wall having a generally horizontal top surface; a plurality of straw bales having a width stacked above said foundation wall providing a core for the wall wherein the stacked bales have uppermost bales and lowermost bales; and a channel air space between the horizontal surface of said foundation wall and said lowermost straw bales; an interior membrane covering the bales on one side of the wall and extending above the uppermost bales; an exterior membrane covering the bales on the other side of said wall and extending above the uppermost bales; a wall bond beam spaced apart from the uppermost bales creating an enclosed plenum air space within the building wall above the uppermost bales and between said interior membrane and said exterior membrane at the top of the wall; and a conduit extending from outside of the wall to said channel air space.