SINGAPORE — A foreign domestic worker in her 20s was just about to clean the toilet of a Toa Payoh flat when a huge chunk of the ceiling broke off and smashed into the toilet bowl.

Researchers at technology university ETH Zurich have created a deeply ridged ceiling called the HiRes Concrete Slab, which they claim saves energy while offering a spectacular aesthetic.

advertisement 08-20-2018 DESIGN This crazy concrete ceiling could revolutionize how we build A building’s slab is rarely seen and even more rarely talked about.

If I do manage to get it out, we're left with a concrete slab for a floor. I've read that in order to keep moisture and mold down to a minimum one needs to install a subfloor..

A lightweight concrete ceiling with formwork 3D-printed from sand is among the innovations to feature in an experimental robot-made house built by university ETH Zurich.

Chunks of concrete came tumbling down from the ceiling Wednesday night at the David L. Lawrence Convention Center and engineers are now trying to make sure the building is safe.

Overhead shielding is being installed along the top of the Prudential Tunnel after a loose concrete slab fell from the ceiling Friday, damaging multiple cars. “Shielding is used to catch any ...