Flue Liners for Masonry Chimneys Watertown NY

Building codes require that residential masonry chimneys in Watertown 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

Brickwerx Inc
(631) 286-4555
95 Hewlett Ave
East Patchogue, NY
Fasco Asphalt Paving
(631) 544-4066
133 Old Northport Rd
Kings Park, NY
Keystone Masonry Inc
(631) 668-9563
156 Greenwich St
Montauk, NY
Baroco Contracting Corp
(914) 965-5830
577 Saw Mill River Rd
Yonkers, NY
Joseph K Construction
(718) 763-3319
5801 Avenue J
Brooklyn, NY
Sitescapes
(631) 689-9209
104 Christian Ave
Stony Brook, NY
David Bathrick-Masonry
(845) 756-5566
42 Quail Ln
Tivoli, NY
Denaro Mason Contractors
(914) 235-9438
122 Mount Joy Pl
New Rochelle, NY
Masterworks Masonry
(845) 278-5748
299 Starr Ridge Rd
Brewster, NY
R H Excellent Masonary Inc
(516) 338-0957
841 Baldwin Dr
Westbury, 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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