National Floor Covering Association

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It’s not just ‘mix, pour and go!’

It’s not just ‘mix, pour and go!’

It’s not just mix, pour and go! Prior to pouring Hydraulic Cement Underlayment (HCU), test the slab for correct surface temperature, water absorbency and contaminants. Conduct ASTM moisture tests, confirm a concrete surface profile (CSP) of 3, remove all dust, apply primer, mix HCU product with correct water ratio, paddle revolutions per minute and for the correct length of time. 
Once poured, if in doubt, perform a Mat Bond (Pull) test using a 3’x3’ piece of the scheduled floor covering and adhesive… and last but not least, hire some who has a proven track record of getting it right and check references because mistakes are costly.
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