Flue Liners for Masonry Chimneys Cohoes NY

Building codes require that residential masonry chimneys in Cohoes with walls thinner than 8 inches (nominal) be lined with a fire clay flue lining, fire clay brick, or a material that resists corrosion, softening, and cracking from flue gases as hot as 1,800 degrees Fahrenheit.

Local Companies

Dbl Masonry
(518) 577-2186
26b College View Dr
Albany, NY
Nys Concrete Masonry Assoc
(518) 464-1806
6 Airline Dr Ste 102
Albany, NY
Chimney Wizards
(518) 427-7603
100 Lark St
Albany, NY
Kneeland Constr Co
(518) 452-7320
25 Corporate Cir Ste 3
Albany, NY
Pcc Contracting Inc
(518) 785-8000
600 Troy Schenectady Rd
Albany, NY
Colonie Masonry Corp Of Albany Inc
(518) 370-2471
1971 Western Ave # 231
Albany, NY
Di Pace Masonry Inc
(518) 459-1834
1 Kneeland St
Albany, NY
Tompkins Masonry Corp
(518) 465-1621
210 Sheridan Ave
Albany, NY
Ipek Z & Sons Inc
(518) 371-2544
7 Railroad Ave
Albany, NY
Mauriello Construction
(518) 283-5321
6 Bentley Ave
Albany, NY

Provided By:

Source: Masonry Construction
Publication date: September 1, 1989

By Nancy J. Marshall

Abstract: Building codes require that residential masonry chimneys with walls thinner than 8 inches (nominal) be lined with a fire clay flue lining, fire clay brick, or a material that resists corrosion, softening, and cracking from flue gases as hot as 1,800 degrees Fahrenheit. Chimneys usually are lined or relined with one of four types of liners: clay tile, cementitious precast, cast-in-place, or metal. Some proprietary systems are combinations of these systems.CLAY TILEClay tile is the most common way of lining residential chimneys. According to ASTM C 315, Standard Specification for Clay Flue Linings, clay tiles must be made of fire clay, shale, surface clay, or a combination of these materials.CEMENTITIOUS PRECAST LINERSOne proprietary precast flue liner is made of volcanic pumice aggregates and refractory cements. The sectional liners are about 2 feet long and come in 6-, 8-, and 10-inch inner diameters. A 2-inch space between the chimney and liners is filled with a proprietary mixture of expanded clay aggregates, portland cement, and water.CASTING LINERS IN PLACE WITH INFLATABLE FORMSOne way of casting liners is to lower a long inflatable rubber form into the flue, inflate it to the proper flue size, center it in the chimney with spacers, then fill the space between the form and the chimney with a cementitious mixture.

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