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Feature

SYNTHETIC CORK UNDERLAYMENT: Specifically designed for setting tile and stone and is an excellent insulation choice under our WarmlyYours TempZone Electric Radiant Floor Heating product. R-value 1.5, with compressive strength 34 psi at 10% deformation, IIC 52 wood construction, FIIC 59 - 7.5" concrete slab. IIC 20 - 6" concrete slab, TCNA Robinson test Light Commercial
PREVENT HEAT LOSS: Recommended when installing an electric floor heating system over a concrete slab. By creating a thermal break, the heat is prevented from sinking into the concrete, and more heat radiates into the floor covering and room
LIGHTWEIGHT AND SOUND DAMPENING: Up to 25 times lighter than traditional 1/4" backer board, also provides sound dampening benefits and double the crack isolation benefits when compared to cork
COMPATIBLE SIZE: Available in 2' x 4' and 4' x 4' sheets, 5 mm. (roughly 3/16 in.) thick. This is a pack of 1 sheets, provides 8 sq. ft. of coverage and is great for medium to large projects
5-YEAR WARRANTY: Limited 5-year warranty and 24/7 lifetime installation and technical support at 800-875-5285

Description

Cerazorb synthetic cork underlayment is recommended when installing a tempzone floor heating system over a concrete slab to prevent heat loss. By creating a thermal break, the heat is prevented from sinking into the concrete, and more heat radiates into the floor covering and room. Cerazorb is lightweight, up to 25 times lighter than 1/4 inch backer board, and weighs in at only 28 lbs. Per 400 sq. Ft. Box. It is available in 4' x 2' sheets, providing 8 square feet of coverage. A minimum order of 4 sheets is required.