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Article: Choosing between existing flooring, embossing levelers and underlayments: probably the most difficult decision to make in the floor covering business is whether to install over the existing floor covering material, use an embossing leveler or to use a board underlayment. The following is a general guideline of do's and don'ts for installers and estimators.(Focus on Resilient)(floor underlayment methods )
- Article from:
- National Floor Trends
- Article date:
- April 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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The resilient manufacturer's guidelines for going over existing materials are:
One Layer Existing: Every resilient manufacturer recommends no more than one layer existing. The main reason is that each layer allows the indentation resistance of the newly installed material to decrease, not allowing it to recover from indentations received from a static load.
Completely and Firmly Bonded: Existing material must be fully adhered to the substrate. No perimeter installed or modified loose laid materials should be present. It also means the material was installed with the proper adhesive and was rolled properly to form a good bond.
When checking old ...