I am hoping that you might be able to offer us some direction. To know for sure if a material contains asbestos you'd have to send a sample to a certified asbestos test lab. But as we indicate below, the fire clearance required for transite pipe or cement-asbestos pipe flues and chimneys varied from 1" to 3" and limited temperatures to to F depending on the clearance. At left we see the outdoor base of the transite chimney shown at the top of this page. The transite pipe chimney - carbon monoxide hazard occurs when the usually above-roof outdoor portion of a transite pipe chimney becomes soft with age and exposure to weather, leading to swollen chimney sides and even chimney internal collapse. This same document also describes several other flue gas vent piping products made of vitreous coated steel, asbestos, sand, and cement, sand and pumicite with aluminum collar joints, sheet aluminum tube and asbestos insulating or steel spring spacer with an outer shell of galvanized sheet metal, and other aluminum and galvanized sheet metal piping. Transite pipe is an asbestos-cement product which was used for both HVAC ducts and for chimney or flue material to vent gas-fired appliances. Among the best reasons for relining a masonry chimney is that it wasn't built right in the first place—that is, without a flue liner, a material that provides a smooth, relatively seamless surface as well as insulation. Asbestos Cancer Lung Cancer.
Many chimney flues, exhaust pipes from fireplaces, were lined with a material called transite. This was a brand of asbestos-containing cement.
There's more than one way to put a new inner face on an old flue, and Clay liner tiles are relatively inexpensive-about $10 for a typical 24'-tall. The photos below show a transite asbestos chimney flue liner found during an inspection of a built home in Columbia Heights. The top of.
Our most trusted expert says that flexible liners tend to collect less creosote when used to vent wood fireplaces and stoves because they flex as they expand and contract with temperature fluctuations, causing buildups to loosen and fall away.
Chimney Liners.
This chimney may be too cold to perform safely, especially if venting a gas-fired appliance. Each method has its benefits, limitations, and challenges.
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I am not % certain exactly what type of material the clay chimney inside is in for a line of asbestos-cement products, including boards and pipes. His concern (and the sellers) is that it might be of an asbestos material. I am not % certain exactly what type of material the clay chimney inside is wrapped with but appears to be of some. It looks like transite (ACM) pipe.
This safety measure can prevent chimney sweeps from bringing asbestos home.
The incidence was highest among chimney sweeps who worked the job long-term. Asbestos in Chimneys, Fireplaces and Ornamental Logs. Fireplaces, including the chimneys, were sometimes lined on the outside with asbestos paper plies as a form of protective insulation. Asbestos Cancer Lung Cancer.
internally to line existing flues that do not have a suitable clay lining as part. This is a specification for asbestos cement flue pipes and fittings, light quality. LINING BRICK CHIMNEYS Chimney linings that may be used are: • Clay flue. Prefabricated chimneys were commonly lined on the outside with asbestos A flue is a vent, pipe or opening in a chimney stack that exhausts.
Our Patient Advocates can answer your questions about occupational asbestos exposure and find you an attorney.
Prefabricated fireplaces are slightly less likely to contain asbestos, but the hearths might be covered with noncombustible materials such as asbestos, brick, iron or steel.
Making Sense of Chimney Liners Old House Journal Magazine
The following asbestos-containing materials were used in fireplaces and chimneys. Chimney sweeps who develop mesothelioma or other asbestos-related diseases may have been exposed to asbestos products on the job. Paul Sugarbaker Dr.
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