Interior Flooring Manual
Stripwood Floors If the stripwood is 3 in. (7.6 cm) or less in width, and is tongue-and-groove with a smooth surface, use an approved underlayment panel with a minimum thickness of 1/4 in. (6.4 mm). If the stripwood is wider than 3 in. (7.6 cm), not tongue-and-groove, or with a rough surface, use an approved underlayment panel with a minimum thickness of 1/2 in. (12.7 mm). Refer to Underlayment Panel Selection on page 7 for additional information. Radiant Heated Flooring Systems If the flooring will be installed over a radiant heated system, the maximum substrate temperature must be 85 °F (29.4 °C). Ensure the system is functioning properly prior to installation of the flooring, and be aware of “hot spots”, as these can cause issues during or after installation. The two most common systems are in-slab and matting. For the in-slab type, surface preparation and installation will be treated the same as installing over a concrete slab. Ensuring this type of system works properly is especially critical as repairs may need to be invasive, requiring concrete removal and replacement. Leaking pipes from hydronic systems will also impact concrete moisture content. Refer to Concrete Slabs on page 4 for additional information. For the mat type, surface preparation and installation must be coordinated with the manufacturer of the mat and Lonseal. Please contact Lonseal’s Technical Department for installations where this type of system will be used prior to installation.
Note: Constant, direct exposure to temperatures greater than 85 °F (29.4 °C) can result in discoloration of the flooring or adhesive failure. Do not operate the radiant heated system until all adhesives have fully cured.
Fiberglass and Metal Ensure either type of substrate is sound, dry, and free of contaminants and debris, including, but not limited to: curing compounds, dirt, dust, grease, loose paint, sealers, wax, and other foreign matter such as rust or oxidation. Additionally for metal, apply denatured alcohol to a clean cloth and wipe the surface to remove any additional contaminants. Always use caution when working with denatured alcohol. Lightly abrade the surface with 60 grit sandpaper, then brush or vacuum, prior to applying the adhesive.
Note: Do not use acrylic- or latex-based adhesives over either of these substrates.
Floating Floors Select Lonseal flooring may be installed over a floating floor system, such as GCP Applied Technologies KOVARA™ or Mondo Everlay ® Protection. Follow the floating floor system manufacturer’s installation instructions for use with sheet vinyl flooring. Additional installation requirements may be required by Lonseal, depending on the product used and installation location. Note: Installation over a floating floor system will require written approval from the Lonseal’s Technical Department prior to installation for warranty terms to apply. When contacting Lonseal, the product being used must be submitted for review. Raised Panel Systems Select Lonseal flooring may be installed over a raised panel system. The flooring may be installed on individual panels, or in full sheets, depending on the type of system and end user requirements. Note: Installation over a raised panel system will require written approval from the Lonseal’s Technical Department prior to installation for warranty terms to apply. When contacting Lonseal, the product being used must be submitted for review. Existing Floor Coverings To achieve an optimal installation, Lonseal recommends complete removal of any existing floor covering and adhesive residue prior to installation.
LONSEAL ®
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Revised: 9.20.2024
Disclaimer: Printed documents are uncontrolled. Always refer to www.lonseal.com for the most current technical information.
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