ShelterWorks is the exclusive manufacturer of Faswall® insulated wood-concrete wall forms, used by innovative builders who want simpler, greener, healthier, better buildings that will last for generations. Faswall® is an insulated wood fiber-concrete wall form made of recycled pallet wood. With unmatched thermal properties, it is ideal for building highly energy-efficient, durable, and sustainable homes and commercial buildings. Faswall® blocks create 12-inch wide walls that act much like an adobe wall in both northern and southern climates. Warm in the winter and cool in the summer -- a non-tox ic building material and better way to build here on planet Earth. Made with nothing but 85% wood and 15% concrete, Faswall® is among the most environment-friendly and healthy building materials available. Faswall® is astoundingly simple to build with and can be used for virtually any building application — which is why do-it-yourselfers in particular love working with it. That love is shared by visionary, innovative, sustainability-conscious contractors and architects.