Polyurethane Spray Foam

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To build a better thermal envelope, we need to look at the second law of thermodynamics. This law states that heat flows in one direction, from a warm space to a cold one. For example, warm air inside a home will flow to the cooler air outside during winter months. Fiberglass batt insulation helps prevent this from happening, but there’s a better method for preventing heat loss.

The best practice for insulating is to use spray foam insulation to fill the spaces between the framing studs in the walls. Spray foam insulation is nontoxic and typically has a lifetime guarantee. It expands to about 100 times its original volume, so it fills in air gaps unlike standard fiberglass insulation. Over time, as the house expands and contracts, so will the foam insulation. This eliminates cracks and spaces for warm air to escape.

• Polyurethane Spray Foam is an effective air barrier.
• Polyurethane Spray Foam is commonly used to prevent drafts from windows, doors, attics and floor boards creating a more comfortable indoor environment.
• Polyurethane Spray Foam helps minimize air-borne sound transmission.

Impede entry of insects and pests

• Sealing gaps with Polyurethane Spray Foam from the outside provides a barrier against insects and other pests.