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Sakrete B-1 Trowel Grade Underlayment is a cement based product for leveling and repairing interior floors prior to final floor covering.

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Sakrete products are available at home centers, independent retailers and building material suppliers across North America.
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Interior Floor Repair with B-1 Trowel Grade Leveler
Since B-1 Trowel Grade Leveler is a rapid setting product, do not mix more than 25 lbs. at a time. Deeper areas can be built up. B-1 will bond to itself and produce a cold joint.

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Leveling & Repairing Interior Floors