While it’s not a danger in and of itself, efflorescence can be linked to excess moisture, mold growth, or poor drainage.

They think their garages have a horrible toxic mold bloom. I know this to be true ... Your efflorescence issue could be on a new patio, a concrete wall, a block wall or any other masonry surface.

[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 ...

Then, the crews pour the concrete from the truck into the forms, and allow it to cure before stripping the molds away. These walls are subject to the same permitting requirements as their block ...