Why Is Relining A Chimney Important?
Building codes mandate that all chimneys be lined, either with clay tile, a cast-in-place flue, or a metal liner. All of these flue liners eventually decay and stop working as intended, perhaps with the exception of stainless steel liners. The proper use of fireplaces and other wood-burning appliances depends on a sturdy chimney liner.
Eventually, the majority of the chimney flue and liner types start to deteriorate, making it risky to use your fireplace. Liners are crucial because they direct heat and gases up to the top of the chimney and stop the heat from setting nearby combustible things on fire. Before utilizing your fireplace, get your chimney lined if the liner is broken or eroding. When your chimney expert suggests that you have your chimney relined, if you have any reservations, ask to see a live image of the damage using the specialized camera equipment used to evaluate chimneys. A new flue liner must be put in place when relining a chimney.
A chimney liner stops heat from transferring from the chimney to the surrounding flammable parts of the building. In one experiment, the heat from an untreated chimney ignited the nearby woodwork in a house in about 3 1/2 hours. A house fire can start from even the smallest breach in the liner. The flue in the chimney needs to be the right size when an item like a wood stove or gas furnace is installed. Creosote could pile up excessively and deadly, odorless carbon monoxide could be produced if the liner is the improper size. Frequently, a chimney flue liner is required in order to suit an appliance.
Since many years ago, chimney liners have been necessary because they channel heat and gases up through the chimney top better than no liner at all and because they can reduce the risk of house fires by preventing heat from igniting combustible materials. Before utilizing your fireplace, you should have a liner placed if you don’t already have one. When your chimney is evaluated, the Local Chimney Cleaning Drytown specialist can find that chimney relining is necessary because your current liner needs to be replaced.
Metal liners are often made of aluminum or stainless steel. Installers favor, and fire protection specialists advise stainless steel liners. Stainless steel flues, the priciest kind of liner, are appropriate for all uses, including oil, gas, and wood burning. Although cheap, aluminum is only suitable for a few middling-efficiency gas appliances.
It is advisable to put clay liners when a chimney is constructed. Retrofitting them into an existing chimney might be challenging, especially if it isn’t a straight chimney. It takes a lot of work to replace a tile liner. To remove the old flue tiles and install new ones, it is typically required to make multiple holes in the chimney walls. The relatively low cost of the tiles often results in no financial savings in the long run because labor costs for installation are so high.
The outer walls of the chimney tunnel are covered with a cement-like substance to form cast-in-place flue liners. This relining choice offers a well-insulated flue that can also serve to strengthen the structural integrity of the chimney. Cast-in-place flue liners make fireplaces burn more efficiently, which results in reduced creosote buildup.
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