The Morning Our Foam Concrete Turned to Sludge It was -5°C. The crew was ready. We mixed the slurry, added the foaming agent, and watched the foam collapse within seconds. Not a gentle deflation. A complete collapse. Thousands of dollars in material, wasted. The foreman just shook his head. “We’ve all been there,” he said. …
The Day the Foam Didn’t Work I still remember the call from a project manager in 2008. He had just poured forty cubic meters of foam concrete for a roof insulation project. The density came out at 1,800 kg/m³. It was supposed to be 800 kg/m³. He had used a generic foaming agent dosage from …
Foam concrete, also known as lightweight concrete or foamed concrete, is a porous material formed by uniformly dispersing air or gas in the form of foam in cement-based materials. This material is gradually emerging in the construction industry due to its lightweight, thermal insulation, sound insulation, fire resistance and other characteristics. With the progress of …
