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Many hardwood installers across the country prefer felt paper while laying the hardwood floors. The felt paper offers more benefits while laying the floor. Of the many varieties of felt paper available in the market, most of the hardwood installers prefer to use the 15 lb asphalt felt paper that is laid down on the sub floor prior to racking. This technique of using the felt paper is commonly referred to as a vapor retarder. While your hardwood flooring is being laid over a moist basement or crawl space or in any situation where you are concerned about moisture coming from under the floor, it is well advised to lay 15 lb felt paper underneath the wood floor, but remember this is not a perfect solution for preventing water dispersion. You can use a long metal straightedge to locate bulges and low spots in the floor. For better results the low areas should be filled in with floor leveling compound or better yet, for the low subtle spots, multiple layers of asphalt-saturated felt paper will work well. The complete sub-floor should have a minimum of one layer of asphalt-saturated felt paper over it to protect the underside of the new hardwood flooring from the moisture that may try to work its way through the sub-floor. Another benefit the felt paper offers is to keep the new hardwood floor quiet. |
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