Target citySpokane concrete lifting by Slabjack Geotechnical

July 3, 2016by Jerald Sargent0

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In Spokane you have a couple different options to have your concrete raised, you can have your concrete mudjacked or you can have your concrete raised with polyurethane. What’s the difference?

Just like the name implies mudjacking uses soil mixed with water and often a little bit of Portland cement or fly ash. This mixture is pumped through a hose inserted into a fairly large hole drilled in your concrete and with  hydraulic pressure the slab is raised back into position.

Polyurethane slab jacking uses the chemical expansion of structural grade polyurethane foam to raise the slab rather than hydraulic pressure. There are several advantages to this process; first the hole that is drilled in your concrete is much much smaller, 5/8 inch versus up to 2 inches in diameter. Secondly the material, polyurethane, is very light weight when compared to a mud mixture. Thirdly polyurethane doesn’t shrink. Mud by its very nature must dry out and this drying out results in shrinkage which causes the concrete to settle necessitating repumps.  Finally polyurethane flows much better under the slab the result of this is that far fewer holes need to be drilled in the concrete.

Whether you live in Spokane, the Valley, Coeur ‘d Alene, Post Falls or any of the surrounding areas the premier Slabjack contractor in your area is Slabjack Geotechnical call today for a no-cost no pressure estimate to have your settled concrete raised.


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