HeatShield® Cerfractory Flue Sealant
Historically when gaps between flue tiles (deteriorated or missing mortar joints) or cracks in the flue tiles themselves were discovered, the only way to repair them was to completely remove the flue tiles and replace them with a stainless steel liner. Unfortunately, there was no way to reach down inside the chimney and re-pack the missing mortar joints or repair cracked flue tiles….until now!
HeatShield® is the answer to repacking deteriorated mortar joints and resurfacing cracked flue tiles at a fraction of the cost of relining with stainless steel!!
Are There Hidden Dangers In Your Chimney?
Gaps Between Flue Tiles: The combustion process creates noxious gases that can contain creosote/soot, carbon monoxide, and corrosive chemicals. The purpose of your chimney is to safely vent these hazardous flue gases from your home.
Flue Tiles are typically sealed with mortar to keep these gases contained within the flue. But over time, the mixture of rainwater, heat and chemicals can erode the mortar between the tiles, leaving potentially dangerous gaps or voids.
Cracked Flue Tiles: Flue tiles can crack due to “sudden occurrences” such as a previous chimney fire, lightning strike or seismic event.
Cracks may also be caused by poor workmanship or the ongoing settling of your home.
Why Are Gaps and Cracks Dangerous?
These defects, no matter how small, can begin a process that will further erode the chimney and can pose a threat to your family’s health. When heat, moisture, and gases escape through gaps and cracks in your chimney, they can deteriorate your chimney from the inside out.
More importantly, the gaps and cracks can cause health risks by allowing poisonous gases to escape into your home.
Combustible creosote or soot can also escape through these openings and build up outside the flue liner. If the creosote were to catch fire in this area of your chimney, serious damage can occur, because the fire can no longer be contained within the flue!
HeatShield® Restores The Integrity Of Your Chimney
HeatShield® is a specially formulated “cerfractory” sealant that restores the integrity of your chimney’s flue to vent hazardous flue gases from your home. Developed in Europe over 20 years ago, HeatShield®’s cerfractory technology is a hybrid (ceramic/refractory) coating that has been proven to withstand moisture, corrosive flue gases, and temperatures in excess of 2900 degrees Fahrenheit!
It eliminates the dangers in your chimney caused by gaps, cracks, and spalling for years to come. With a 20 year warranty, it has been independently tested to exceed all ASTM (American Society for Testing and Materials) and UL (Underwriters Laboratories –UL2425) standards for chimney repair and resurfacing products.
If your chimney has cracked flue tiles or eroded/missing mortar joints, DO NOT BURN FIRES UNTIL REPAIRS HAVE BEEN PERFORMED BY ONE OF A to Z’S QUALIFIED CHIMNEY TECHNICIANS USING HEATSHIELD® CERFRACTORY SEALANT!
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~ Carl Kent, Roseville, CA
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