Posts Tagged ‘fly ash concrete’

Calstar’s Fly Ash Bricks

Tuesday, January 12th, 2010

Last year we brought you fly ash concrete and fly ash countertops.  The trend continues with fly ash bricks and fly ash pavers by Calstar.  They are made from 40% fly ash, 60% local aggregates, and some proprietary ingredients.  These products are not made with Portland cement or any other energy intensive firing resulting in substantial carbon savings. read more »

Fly Ash Concrete – Eco Friendly And Lasts Longer

Thursday, October 1st, 2009

Fly AshMost concrete produced is from portland cement, and it consumes more energy and pollutes more than any other industry including steel and plastics.  It contributes 5-8% of all greenhouse gases just by itself, and prduction is growing at about 5% annually.

Fly ash is a waste product of a coal combustion plant.  It is the non-combustible portion of coal that used to be released into the air before through the smoke stack before the government put more strict regulations on what can be release into the atmosphere.  The particles themselves are spherical and smooth and more fine than cement particles. read more »