How can you make hollow-core slabs more environmentally friendly? Make them hollower and replace Portland cement with a more sustainable alternative. Thies van der Wal of VBI explains how this works. Thies van der Wal of VBI explains how this works.
“The more air you incorporate into it, the better the slab actually becomes,” says Van der Wal. And by using an industrial byproduct, they’ve found a fully-fledged substitute for Portland cement. That, too, makes the concrete even stronger, according to Van der Wal.
Curious about the whole story? Watch the full episode of “Innovation in 3 Minutes” here.
This embed uses marketing cookies. Accept marketing cookies to show the embed.
