Energy Guide

INTRODUCTION
CeraZorb® is a 5mm thick underlayment that has been specically designed as a moisture resistant underlayment for use
underneath tile and stone ooring types. CeraZorb offers excellent insulation properties along with the ability to be used
in place of regular tile backer board. CeraZorb® has a 1.5 R-value, and it offers crack isolation of up to ¼”.
CeraZorb® synthetic cork underlayment is recommended when installing a TempZone™ oor heating system over a
concrete slab to prevent heat loss. By creating a thermal break to prevent the heat from sinking into the concrete, it allows
more heat to radiate into the oor covering and room. CeraZorb® is lightweight, up to 25 times lighter than 1/4” backer
board, and weighs in at only 28 lbs. per each 400 sq. ft. box. It is available in 4’ x 2’ sheets, providing 8 square feet of
coverage.
TEST 1: CERAZORB UNDER TILE STUDY
This study shows how CeraZorb® lowers the temperature beneath the heating mat by 3 degrees Fahrenheit while increasing
the temperature above the heating mat by 4-6 degrees Fahrenheit, thereby reducing your electric bill and improving the
overall efciency of the heating system. This test is done on a plywood platform. CeraZorb® has been installed under
half of the tiles, as indicated by where the cord enters, and 3/8” of thinset has been applied over the CeraZorb® and under
the tiles. The other half of the platform shown contains thinset over plywood with approximately ¾” of thinset between
the plywood board and the tile. All of the tiles used in this test are consistent in model-type and thickness. The average
temperature in the insulated section is 74 degrees Fahrenheit. The average temperature in the uninsulated section is 70.3
degrees Fahrenheit.
CeraZorb® Energy Efciency Report
Installation Support •[phone] • www.WarmlyYours.com