June 13, 2004

Expansion Concerns for Concrete Garage Floor

Tim,

When pouring the concrete in an attached garage, would you use expansion board along the foundation block walls or not? Thanks,

Jayson

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Jayson,

It is usually not necessary since the concrete is protected from direct sun. The extreme temperature swings of exterior slabs cause them to expand and contract much more than those slabs that are covered with roofs and protected with sidewalls. But one thing is for sure, you can't go wrong installing the expansion board material.

Tim Carter
www.askthebuilder.com
W3ATB

Posted by Tim Carter at June 13, 2004 11:30 AM