www.acousticorkusa.com SOUND CONTROL UNDERLAYMENT CorkPLUS 250 Vinyl Flooring Flooring Adhesive 2.5mm CorkPLUS 250 Adhesive Layer On Subfloor Structural Subfloor RECYCLED IMPACT NOISE REDUCTION UNDERLAYMENT for RESILIENT FLOORING Suggested Applications: MULTI-FAMILY HOUSING APARTMENTS / CONDOS MILITARY HOUSING ASSISTED LIVING FACILITIES STUDENT DORMATORIES HOTELS / HOPSITALITY OFFICE BUILDINGS General Installation Instructions (Glued Down Application) Applying CorkPLUS 250 to the Subfloor The following installation instructions are recommended by Allow the CorkPLUS 250 material to acclimate in the space it Amorim Cork Composites, but are not intended as a nitive will be installed in for approximatley 24 hours prior to installing. product cation. They are presented in an attempt to be Cut the material to the desired length and position in the space used with recommended installation procedures of the ooring to be covered, butting the first course of material against a wall or fixed partition. Pull back about 1/2 of the length of the cut manufacturers. material and using a properly sized V notched trowel, apply one of the recommended adhesives to the subfloor. Place Room Conditions the CorkPLUS 250 material into the layer of adhesive applied. Temperature > 60ºF / Relative Humidity < 65%. Repeat the process with the other half of the sheet and roll in both directions with a 75lb. or 100 lb. sectional floor roller to Subfloor Preparation remove any entrapped air and to ensure the underlayment is All oor work should be structurally sound, clean and level. well adhered to the subfloor. Proceed to cover the entire room oor should not be more than making sure the sheets are tightly butted together, without The moisture content of the 3 lbs. per 1000 s/f /24 hrs. as measured via Calcium Chloride testing. gaps. Note: Open seams and gaps in the underlayment can ‘telegraph” through some resilient flooring products, so the Gypsum based surfaces should be sealed prior to the application underlayment should be as smooth and as well seamed as of the CorkPLUS 250 underlayment. possible. Perimeter Isolation Finished Flooring Installation To avoid the lateral “flanking” of impact sound, it is important Always follow the manufacturer’s recommended installation that the finished flooring does not directly contact the perimeter instructions . CorkPLUS 250 underlayment should be considered as walls or fixed vertical partitions in the floor area, including any a non-porous substrate when applying with water based adhesives. pipes, columns or ductwork protuding from the subfloor. To aid in achieving Perimeter Isolation it is recommended to leave at least Important Notes a 1/4” gap between the finished flooring and any fixed walls or Never mechanically fasten the CorkPLUS 250 underlayment to partitions. A perimeter isolation strip can also be applied to these the subfloor as this will severely diminish its acoustical value. areas and trimmed after the flooring is installed (Contact us for Warranty Information details) . To maintain Perimeter Isolation, it is also important in AcoustiCORK CorkPLUS 250 offers a 10 Year Pro-Rated Residential areas where rigid baseboard or trim details are to be used, to Warranty that covers the material cost of the underlayment and the maintain a gap of 1/8” between the finished flooring and the cost the finished flooring materials installed. Contact us for details. rigid trim materials. This gap can be filled with a non-hardening acoustical grade flexible caulk or sealant. For more detailed installation instructions, or instructions for other installation methods, please contact us or visit our website at www.acousticorkusa.com.
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