CorkPLUS 250 - Sound Control Underlayment

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AcoustiCORK's CorkPLUS 250 is a 2.5mm impact sound reduction underlayment that is intended for use under vinyl or linoleum flooring. This underlayment can be used in residential applications as well as commercial applications such as apartments, dorms, military housing, office building and hotels. CorkPLUS 250 has been approved for use with most LVT, floating LVT systems, VCT, VET, felt & fiber backed sheet vinyl, and linoleum sheet goods and is installed using VCT adhesive. Note: never mechanically fasten the CorkPLUS 250 Underlayment to the subfloor; this will severely diminish the acoustical value of the material. Once this product is installed you can follow the flooring manufacturer's recommended installation instructions. This product should be considered a non-porous substrate when applying with water based adhesives.

Product Features:
  • Roll of underlayment measures 42" wide X 80' long
  • 2.5mm thick cork underlayment
  • 17-18 lb/ft cubed density property
  • > 600 KPa tensile strength
  • Highly resistant to residual indentation
  • Installs with VCT adhesive
  • Made out of recycled agglomerated cork and EVA foam granule
  • 85%+ recycled content by weight (LEED -MR 4)
  • Rapidly renewing product (LEED -MR 7)
  • Helps hide minor subfloor defects
  • Improves walking comfort under feet
  • Non-absorbent - resists mold and mildew
  • Thermal comfort - floors feel warmer
  • Reduces in room step sound
Acoustical Results:

(ASTM E492 / E989)
IIC 55- 8" concrete slab - no ceiling
IIC-51- 10" I-joist wood frame/Gyp-crete
(ASTM E90 / E413)
STC 55- 8" concrete Slab - no ceiling
STC-53- 10" I-joist wood frame/Gyp-crete
 
For instructions on installing with floating vinyl resilient flooring Click Here.

For instructions on installing with glued vinyl resilient flooring Click Here.

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