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 ...

Weeks before the April 20 Deepwater Horizon explosion, oil company BP and subcontractor Halliburton were aware of test results showing that the cement mixture designed to temporarily seal the well was ...

WASHINGTON Halliburton officials knew weeks before the fatal explosion of the BP well in the Gulf of Mexico that the cement mixture they planned to use to seal the bottom of the well was unstable but ...

PHOENIX — Amid global climate change and a chronic shortage of affordable housing, local construction companies and nonprofits are taking innovative steps to make homes more energy efficient and ...

Q: We recently noticed that part of the concrete walkway connecting our driveway with the front door has begun to tilt slightly in one direction. Is there anything we can do to make it level again ...