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Fiberock Underlayment
Last Modified: 2018-02-04

Fiberock Underlayment


  • Certified recycled content of 95%
  • Uniform composition provides both strength and water resistance
  • Use in both wet and dry areas throughout the home
  • Ideal under tile, stone, vinyl, hardwood flooring, laminate flooring and carpeting
  • Superior tile bond — three times industry standard
  • Recognized by major resilient-flooring and adhesive manufacturers
  • Free of resins, adhesives, and solvents that might stain a vinyl floor
  • Provides a smooth, flat, paintable surface for wall applications
  • Easy to cut, fasten and install

SizeThicknessPieces Per LiftQTY
4' X 4'1/4"60Add To Quote
4' X 4'3/8"60Add To Quote
4' x 8'3/8"60Add To Quote
3' X 5'1/2"60Add To Quote

Fiberock Underlayment

A water-resistant underlayment that delivers support for hardwood, ceramic tile, carpeting and more in homes or light commercial building.

CGC Fiberock® Brand Uunderlayment Panels represent a new era in substrate performance for wet or dry areas. It has an integral water-resistant composition that offers durability, superior performance and exceptional tile bond that is not susceptible to the same warping often found in traditional wood underlayment.

CGC Fiberock® Brand Uunderlayment provides a smooth, flat surface that resists swelling and contains none of the resins, adhesives or solvents that can stain floor covering materials. It also offers greater resistance to indentation than other underlayment products and can be used in all areas, wet or dry, regardless of the flooring material chosen.

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