Q:I want to build a house which is efficient and strong to withstand tornadoes. I prefer one made with concrete because the resource is so abundant. How good are foam block houses filled with concrete ...

The desire for new and different combined with a willingness to continually push toward the edge of possibility are frequently the fundamental ingredients of architectural innovation. What architects ...

Injecting polyurethane foam at various depths, in areas where soil problems exist is not new. The process has been deployed for decades but protected by patents which limited the number of contractors ...