General Information 1. Flooring should be transported and stored in a neatly stacked fashion on a smooth flat surface. 2. Acclimate the flooring and the rooms to be installed at a constant temperature between 65��F and 85��F for 48 hours before, during, and maintainted after installation. 3. WPC flooring should only be installed after other trades have finished and the jobsite has been cleaned and cleared of debris that could potentially damage a finished plank installation. 4. Inspect flooring for damage, defect, or shading issues before installation; claims for visual defects will not be accepted after cutting and or/ installed. 5. Mix and install planks from severaldifferent cartons during installastion to ensure a random appearance. patio flooring options over concrete 6. Leave 1/4 inch (6.35mm) for expansion around the entire perimeter of the flooring. 7. Flooring should be protected from direct exposure to sinlight. Subfloors: Planks can be installed over a variety of subfloor surfaces including concrete on all grade levels, wood and many existing hard surface floors. The subfloors must be clean, smooth, flat, solid (no movement), and dry.

Do not install planks over floors that are sloped for drainage. Any uneven areas greater than 3/16 inch (4.76mm) in a 10 foot (3.05m) radius should be leveled with a Portland cement based patching compound. WPC is resistant to water damage but they do not prevent the transmission of moisture. Care should be taken to keep moisture from collecting on either side of the flooring to prevent the growth of unhealthy mold and mildew. Concrete Subfloors: Planks can be installed over concrete on all grade levels if a proper moisture barrier is used. A minimum 6 mil polyethylene moisture barrier must be used with concrete subfloors. Moisture vapor emissions should not exceed 5 lbs./24 hour per 1,000 sq.decking cost calculator uk when tested with the Anhydrous Calcium Chloride Test in accordance with ASTM F 1869 or 80% RH in accordance with ASTM F 2170 "Standard Test Method for Determining Relative Humidity in Concrete Slabs using in situ Probes. Any uneven areas greater than 3/16 inch (4.76mm) in a 10 foot (3.05m) radius should be leveled with a Portland cement based patching compound.


Holes and cracks in the cement should be patched, and expansion joints should be filled with a latex patching compound. Newly poured concrete floors must cure for a minimum of 90 days. Please note it is the person installing the floor and/or the homeowner's responsibility to ensure any moisture or alkalinity issues are resolved prior to installing the floor NOTE: Excessive moisture may cause the growth of unhealthy mold or mildew and/or cause staining of the flooring which is not covered by our Warrant. Wood Subfloors: Planks can be installed over a smooth, flat, composite exterior stair treads level wood subfloor, underlayment grade plywood, lauan plywood and other underlayments recommended by the manufacturer for use with a floating plank floor. Subfloor should be flat within 3/16 inch (4.76mm) in a 10 foot (3.05m) radius.