Poured and block foundations both sit on concrete ... and add additional strength to the concrete wall once the molds are removed. Concrete is then poured into the mold to form the walls.

Dear Tim: My wife and I have an outdoor patio with colored precast concrete paving blocks. It doesn’t take long each year for black mold and mildew to start growing on it. We also have an issue ...

Grow discovered that the Bosco-Milligan Foundation's Architectural Heritage Center had one of the original 1905 concrete-block-making machines and original molds in its collection. He arranged ...

[Thomas Sanladerer] wanted to create some molds using 3D printing for concrete and plaster. He used a delta printer with flexible filament and documented his process in the video below. If you ...

Researchers led by a team at the University of Tokyo have turned concrete from a demolished school building and carbon dioxide (CO 2) from the air into new blocks strong enough to build a house with.

The process involved grinding the old concrete into powder, reacting it with CO2 from the air, pressurizing it in layers in a mold and finally heating it to form the new block. Instead of making ...

Inside the Colorado company’s warehouse, sand is loaded in block-shaped molds with micro-algae ... less carbon-intensive than traditional concrete. Through continued manufacturing improvements ...