Flue Liners for Masonry Chimneys Potsdam NY

Building codes require that residential masonry chimneys in Potsdam 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

Danson Constr Inc
(516) 409-4553

Wantagh, NY
Gentile Peter Mason Contrctng
(516) 932-5611
134 Broadway
Bethpage, NY
McGowan James
(845) 339-0329
5 Railroad Ave
Kingston, NY
Zarrelli Dante Mason Contractor
(518) 725-4408

Gloversville, NY
Rock-N-Country Stone Mason
(607) 746-7460

Delhi, NY
Saviola Pascal L
(716) 838-2409
89 Hendricks Blvd
Buffalo, NY
Hrw Construction Corp
(212) 829-9014
39 E 63rd St
New York, NY
Town Masonry Corp
(914) 779-5100
711 S Columbus Ave
Mount Vernon, NY
R P Prudente Contracting Corp
(516) 333-1777
496 Grand Blvd
Westbury, NY
New York Design General Contractors Inc
(718) 966-2447
48 Marne Ave
Staten Island, 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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