Flue Liners for Masonry Chimneys Ithaca NY

Building codes require that residential masonry chimneys in Ithaca 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

Adelphi Masonry
(914) 835-2395
27 Bellain Ave
Harrison, NY
Pisa Construction
(914) 962-2120

Mohegan Lake, NY
Crossmar Inc
(212) 657-1600
111 Wall St
New York, NY
Jose & Luis Inc
(914) 968-9214
406 Saw Mill River Rd
Yonkers, NY
Silnap Corp
(631) 451-6076
627 Horseblock Rd Ste 6
Farmingville, NY
Block Construction Corp
(518) 356-5729
552 Notre Dame St
Schenectady, NY
Santorelli Contracting Inc
(631) 331-4498
24 Imperial Dr
Miller Place, NY
Colonie Masonry Corp of Albany Inc
(518) 325-6007

Hillsdale, NY
Victoria Restoration
(718) 782-7700
103 Lombardy St
Brooklyn, NY
Jc Structures
(518) 357-4211
600 Consaulus Ave
Schenectady, 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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