void filling under concrete driveway

Old 08-17-12, 04:38 PM
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void filling under concrete driveway

Hello, I live northern USA and need info about filling a void under concrete drive.I am looking to buy a hand grout pump and hose in order to pump grout into tunnel.Tunnel approx 25 ft long 8 inches approx in diameter. I would appreciate any helpful suggestions from anyone experienced in this.Thank you!
Old 08-17-12, 05:20 PM
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Welcome to the forums! What caused this "tunnel"? It isn't where a culvert was removed was it? If so, you don't want to grout it. Can you post a couple of pix of this so we can see what you see? http://www.doityourself.com/forum/el...your-post.html

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