Insulating the foundation often helps prevent heat loss t a large extent. Foundations could be often cold and discomforting. Besides heat loss could result in lot of energy loss. There are two ways of insulating foundations. One way is to apply insulating over the slab or the footing. Extending over the edge of the foundation, the foam-board insulation can help keep the floor warm and energy expenses low.

The other way of insulation is to apply it between the footing and the slab which is present on the inside of the foundation. This helps in isolating the footing and thus prevents the heat loss. A few inches of sand can be laid below the concrete slab, followed by some insulating material helps keep the slab insulated. Similarly another layer of gravel beneath the vapor barrier helps insulating the entire foundation from the earth beneath helping the overall insulation to a great level. Foam in between frames of steel and wood is also used for insulation.

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