Although STURD-I-FLOOR is suitable for direct application of carpet and pad, an additional thin layer of underlayment is recommended under tile, sheet flooring or fully adhered carpet.This added layer restores a smooth surface over panels that may have been scuffed or roughened during construction, or over panels that may not have received a sufficiently sanded surface. When veneer-faced STURD-I-FLOOR with "sanded face" is specified, the surface is also suitable for direct application of resilient floor covering. Glued T&G edges are recommended under thin floor coverings to assure snug joints.

If the floor has become wet during construction, it should be allowed to dry before application of finish floor, including carpet, underlayment, hardwood flooring, ceramic tile, etc. After it is dry, the floor should be checked for flatness, especially at joints.

When floor members are dry, make sure fasteners are flush with or below surface of the STURD-I-FLOOR panels just prior to installation of thin floor coverings. Fasteners should be set if green framing will present nail popping problems upon drying. Do not fill nail holes.Fill and thoroughly sand edge joints (this step may not be necessary under some carpet and structural flooring products - check recommendations of flooring manufacturer. Fill any other damaged or open areas, such as splits, and sand all surface roughness.

*Note: The Span Rating in the trademark applies when the long panels dimensions is across supports unless the strength axis is otherwise identified.

Note: Provide adequate ventilation and use ground cover vapor retarder
in crawl space. Panels must be dry before applying finish floor.

Note: For buildings with wood or steel framed walls, provide 3/4'' expansion
joints with separate floor framing members and discontinuous wall plates
over the joints, at intervals that limit continuous floor areas to 80 feet
maximum in length or width, to allow for accumulated expansion during
construction in wet weather conditions.

Note: For buildings with wood or steel framed walls, provide 3/4'' expansion
joints with separate floor framing members and discontinuous wall plates
over the joints, at intervals that limit continuous floor areas to 80 feet maximum
in length or width, to allow for accumulated expansion during construction in
wet weather conditions

Note: Provide adequate ventilation and use ground cover vapor retarder in
crawl space. Panels must be dry before applying finish floor