CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (Single Pack to 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (Single Pack to 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (Single Pack to 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (30 Pack & 40 Pack)  - Prism One
Prism One

CeraZorb HD 2ft X 4ft Insulating Synthetic Cork Underlayment (Single Pack to 40 Pack)

CZB.2X4.01
Regular price $17.95 $0.00

CeraZorb HD (High Density) is a synthetic cork underlayment that is light weight, up to 25 times lighter than traditional 1/4" backer board. Can be installed on top of a subfloor and below a heating element. It is recommended when installing an electric floor heating system over a concrete slab to prevent heat loss. It’s a very resilient underlayment with compressive strength of 34 psi at 10% deformation.




  • Color: Grey
  • Thickness: 5mm (3/16in)
  • Material: Synthetic Cork, Hemi-Crystalline thermoplastic
  • Credible acoustical and crack suppression
  • Heat and cold resistant and will not rot, support mold and mildew or absorb moisture
  • Can be set under ceramic tile and natural stone flooring, luxury vinyl tile and over any acceptable sub floor
  • Commercial Grade: Yes
  • Warranty: 5 Years


Single Pack

  • Size: 2ft x 4ft per sheet
  • Quantity: 1 piece
  • Weight: 1 Lbs
  • Square foot coverage: 8 Sq. Ft.
  • Ordering Code: CZB-2X4.01


5 Pack

  • Size: 2ft x 4ft per sheet
  • Quantity: 5.5 pieces
  • Weight: 5.5 Lbs
  • Square foot coverage: 40 Sq. Ft.
  • Ordering Code: CZB-2X4.05


10 Pack

  • Size: 2ft x 4ft per sheet
  • Quantity: 10 pieces
  • Weight: 7.5 Lbs
  • Square foot coverage: 80 Sq. Ft.
  • Ordering Code: CZB-2X4.10


20 Pack

  • Size: 2ft x 4ft per sheet
  • Quantity: 20 pieces
  • Weight: 11.5 Lbs
  • Square foot coverage: 160 Sq. Ft.
  • Ordering Code: CZB-2X4.20


30 Pack

  • 
Size: 2ft x 4ft per sheet
  • Quantity: 30 pieces
  • Weight: 17.5 Lbs
  • Square foot coverage: 240 Sq. Ft.
  • Ordering Code: CZB-2X4.30


40 Pack 

  • Size: 2ft x 4ft per sheet
  • Quantity: 40 pieces
  • Weight: 21.5 Lbs
  • Square foot coverage: 320 Sq. Ft.
  • Ordering Code: CZB-2X4.40


Download the Installation Instructions 



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