With the foam-block house construction, the concrete provides the structural strength for the walls. It is encapsulated totally by high R-value rigid insulating foam. Depending upon the thickness ...

With the foam-block house construction, the concrete provides the structural strength for the walls. It is totally encapsulated by high R-value rigid insulating foam. Depending on the thickness ...

Q: The exterior of my 5,000-square-foot home was built from Rastra foam blocks covered with a mixture of concrete and stucco. Because of these blocks, it’s a very quiet house, and this building ...