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Subfloor Preparation
1. Underlayment Leveling Compound - to repair uneven or damaged surfaces of the subfloor an underlayment leveling compound may be used. Proper adhesion of the underlayment compound to the subfloor is as important as using the correct type of compound. To ensure long term performance of the floor, a flooring contractor must determine the proper underlayment compound to be used.
2. Recommended Subfloors - 1/2 underlayment grade plywood and concrete which have been treated for moisture resistance are all recommended for use as a subfloor.
3. NOT Recommended Subfloors - particle board, chipboard, fiber board, black felt tar paper and Masonite.
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