Silicone Moisture Barrier Underlayment

Updated September 24, 2026

Brand: ROBERTS Model: 70-198 Retail Price: $20 The ROBERTS Silicone Moisture Barrier Underlayment was designed to protect floors from moisture, without trapping it underneath the floor covering. Silicone Moisture Barrier is made from repurposed paper that is environmentally safe and made of 100 percent recycled contents. Install with the smooth side up, for easily marking chalk lines and sliding planks into position.. For use with staple and nail down installations of solid, engineered and laminate wood floors, or floating Vinyl Plank floors to reduce vapor flow without trapping moisture. Made of 100 percent recycled materials, consisting of 6 mil wet strength paper with a baked silicone coating for moisture impermeability under wood flooring. Helps reduces dust levels during installation to contribute to a more environmentally friendly workspace. Lab tested and approved for use with radiant heat systems. Will not release an asphalt odor when used with radiant heat systems. Clean and easy to use, with no residue transfer that leaves marks on hands or walls. Smooth top surface for easily marking chalk lines and sliding planks into position. 33.5 in. x 72 ft. for 200 sq. ft. coverage. For best results, tape seams with an underlayment tape, sold separately. Meets perm ratings recommended by the National Wood Flooring Association (NWFA). Vigorously tested and proven to be the best rated underlayment paper for moisture protection. Strong and will not fall apart like red rosin, Kraft and wax papers. Free of all toxic, tar and tar-based ingredients that may be found in other underlayments. Package coverage (sq. ft.): 200. Flooring Material Features: Sound absorbing. Flooring Material Features: Mold/mildew resistant. Flooring Type: Solid Hardwood. Flooring Type: Engineered Hardwood. Flooring Material Features: Attached vapor barrier. Material: Plastic. Disclaimer : DISCLAIMER: This listing contains a stock image of the item to be auctioned, in order to illustrate the item’s design and functionality when new. However, this stock image is provided for ILLUSTRATION PURPOSES ONLY and cannot be relied upon by any bidder. Instead, actual photos of the specific item up for auction are provided within the gallery. Any written overview regarding features, operations, or capabilities reflects the item’s original specification when new and does not guarantee current condition or complete performance. The absence of any description by Rockey Auction of the item to be auctioned does not establish an implied representation that it is new or functional. It is a bidder's sole responsibility to inspect all actual product photos, read descriptions carefully, and perform any desired pre-bid inspections or inquiries. Bids placed constitute full acknowledgment and satisfaction with the item's condition along with Rockey Auction’s terms AND CONDITIONS of sale, which can be found in full in the tab below.

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