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	AHRENS SPECIFICATION DATA PRODUCT NAME AHRENS Poured-In-Place Lining/Relining System MANUFACTURER AHRENS Chimney Technique Inc. 2000 Industrial Avenue Sioux Falls, SD 57104 Phone - 605-334-2827 - 800-843-4417 Fax - 605-335-1525 Email - ahrenschimney@qwestoffice.net DEALERSHIP NETWORK Coast to coast U.S.A. and Canada. Call for dealer nearest you. TECHNICAL DATA The AHRENS lining system has been successfully tested by Underwriters Laboratories to the UL1777 Standard and is listed for use in masonry chimneys with zero-clearance to combustible materials. Combustible building materials can actually touch the chimneys exterior surface. The testing consisted of thermal shock, heat test, freeze/thaw, compressive strength, acid resistancy and a sweep test. UL Reference No. MH12272 PHYSICAL PROPERTIES Premix Dry Density -- 45-50Lbs/Ft3 Mixed weight Density -- 70-72 Lbs/Ft3 Oven Dry Density -- 65-67 Lbs/Ft3 Compressive Strength Range -- 1500-2000 Lbs/In2 SIZE AND HEIGHT The AHRENS chimney lining system is normally capable of lining round flues from 4 inches to 4 feet in diameter or oblong equivalents up to a height of 250 feet. Additional sizes, shapes and heights are available to address special needs. FUEL The AHRENS system is considered an "all fuel" liner designed to vent appliances that burn gas, oil, wood, coal and densified fuels. Call manufacturer for special venting needs. FILING SYSTEM SWEETS CATALOG -- 04555/AHR -- Buyline 9126 Product and technical information available upon request from manufacturer. MANUFACTURERS LIMITED WARRANTY AHRENS offers a warranty on materials which may vary from one year to the lifetime of the product depending on application. Consult your installing dealer or manufacturer for details. LIMITATIONS For the AHRENS chimney lining system to be a UL Listed system it must be used on masonry chimneys for residential and commercial low-heat appliances only, as outlined in NFPA 211. The AHRENS chimney lining method can be utilized for special needs such as high-temperature applications up to 3000 F. and for historical situations needing any one of our specially designed mixtures. AHRENS chimney lining system is recommended to have a minimum of 1 1/2" liner wall thickness for optimal strength and performance. For special situations, wall thickness may be varied. AHRENS Chimney lining system shall be installed by a certified AHRENS dealer in compliance with the AHRENS instruction manual.
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