Building My Net Zero Energy Home: Reinforcing ICF Walls

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Corner Braces ICF walls 

ICF walls went up quickly. As each course was erected, we inserted horizontal rebar for reinforcement. After the walls were up, they needed to be reinforced internally and externally at corners and other key locations to prevent blowout – concrete blowing out the walls. This can create quite a mess and an absolute nightmare for the builder.

Supporting ICF walls with scaffolding

Scaffolding (shown above) allowed workers access to the top of the wall to pour concrete into the ICFs. It also helped support the walls. Notice the two by four braces in the corner. Braces were screwed into the plastic bridges in the ICFs.


Contributing editor Dan Chiras is a renewable energy and green homes expert who has spent a lifetime learning life’s lessons, which he shares in his popular blog, Dan Chiras on Loving Life. He’s the founder and director of The Evergreen Institute and president of Sustainable Systems Design. Contact him by visiting his website or finding him on .