Since ancient times, people have warmed their homes by capturing and storing the sun's heat in walls built of dense materials, such as stone and masonry. The south-facing walls were warmed during ...

It could almost be the sort of bridge you might find in a medieval old ... its concrete blocks—25 of them, each more than half a foot thick—were taken from already-existing walls.

Patch. Basement walls often bear the brunt of a wet Oregon winter, flaking and crumbling. You can repair the damage by brushing on a bonding agent that lets new concrete stick to the old ...