Cork Insulating Underlayment (24″ x 36″ x 6mm) Pack of 4 Sheets


Part Number: CORK-SH6MM-2436-P04
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Common Support Questions (4)

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Publications and Manuals (2)

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Specifications (8)

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Common Support Questions


When installing electric floor heating over a concrete slab, an insulating underlayment like CeraZorb is highly recommended to ensure efficient operation, faster heating times and warmer floor temperatures.

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CeraZorb is a synthetic cork underlayment, it is made of hemi-crystalline thermoplastic.

Warmly Yours recommends CeraZorb underlayment when installing a floor heating system over a concrete slab to prevent heat loss and protect against moisture. It will not rot, support mold and mildew, or absorb moisture.

- CeraZorb (6mm) has a 1.5 R-value, crack isolation up to 1/4“, reduces sound by up to 22 dB, and is Robinson tested (TCNA) and rated for light commercial loads.
- Cork (6mm) has a .72 R-value, crack isolation up to 1/32“, reduces sound by up to 23 dB, and is Robinson tested (TCNA) and rated for residential loads.

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Yes, unlike natural cork, CeraZorb will not expand under self leveling cement (SLC).

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A decoupling membrane protects the installation from differential expansion/contraction between the substrate and the flooring, relieving almost all shear stresses. Crack isolation protects the installation by isolating the flooring from minor in-plane substrate cracking.

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Publications and Manuals



Specifications


Product Dimensions

Coverage 6 sqft
Length 2′
Thickness 0.25″
Width 3′

Identifiers

SKU CORK-SH6MM-2436-P04
UPC (GTIN-12) 881308047221

Insulation Specification

Thermal Insulation 0.72 R-Value

Warranty / Certifications

Warranty 10 years

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