Once sawn lumber was easily obtainable in the early colonies, most barns were of braced frame construction, which allowed larger and more adaptable structures. Air could circulate through the cracks between the boards. Large doors provided good light. Small barns could be attached horizontally, with shed-roof additions on the sides and back. Mixing the red iron oxide into the paint protected the wood from mold and moss which caused decay and also resulted in a deep red color. It so happens that darker colors also absorb more of the Sunââ¬â¢s rays and kept buildings warmer in the wintertime. Cupola`s were a way to differentiate different family farms in America in the post-Revolutionary time period. It remove the moisture and humidity that becomes trapped in the upper part of the barn structure.
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