The quality of insulation in a straw bale home is very effective, keeping energy costs down Due to the natural elements used in the building process, straw bale homes are considered one of the healthiest home options we have come across The walls are coated with earthen plaster, creating an environment to live in that feels and smells wonderfulThe typical straw bale is bound twice and is approximately 900mm long, 350mm high and 450mm deep In a straw bale house, these bales form the walls, insulation and framework all in one, with some additional support from wooden beams wherever they're necessary The straw bales are normally then rendered with earth, cement or a similar material Low Embodied Energy – Unlike manufactured insulation materials, straw is natural and nontoxic, plus it doesn't require much processing and delivery to a building site 3) Less Wood for the Frame – Replacing "stick frame" walls with bales can cut by half the amount of timber needed in a modern ...