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December 02, 2003

Rastra Insulating Concrete Formwork

Farmhouse Fusion, Fine Homebuilding January 2004, highlights an interesting insulating concrete formwork (ICF) system from the Rastra Corportation.

The insulating form units are made from 85% recycled postconsumer polystyrene waste. Units used on the project featured in FH were 10 inches thick, 10 feet long, and 15 or 30 inches in height. (The 30-inch high units required a portable hoist for lifting.) Blocks can be cut with an electric chain saw, and edges can be eased with abrasive forming tools. Stucco is a common exterior finish applied over the completed walls.

For more about ICF construction, see pages 512 - 513 in the textbook.

December 2, 2003 in 14 Sitecast Concrete Framing Systems, sustainability | Permalink

Comments

I am curious, if anyone knows, to find out the permeability/survivability of the RASTRA Concrete system in relation to the recent 2005 Gulf Coast floods as a result of Hurricane Katrina.
There were many homes in Mississippi made of RASTRA Concrete that were under 10 feet of water, and I would like to know how one could check for water penetration & internal mold growth?

Posted by: Tracy LePire | Nov 7, 2005 11:10:08 AM