Chimney Liner Insulation Required

The most user friendly chimney liner insulation is the insulation blanket.

Chimney liner insulation required.

The blanket will get wrapped around the chimney liner the entire length. Having 1 2 thick insulation will maintain your liner to the ul1777 standard. Duraliner chimney liner requirements and tips. The blanket is made of a high density insulation material know as alkaline earth silicate.

When installing a new liner for your heating appliance whether it is a furnace hot water heater wood burning insert or stove or existing fireplace consider insulating the liner. It s typically required to insulate your new stainless steel liner for solid fuels according to ul 1777 if your chimney is non code conforming. Multiply this number by the chimney height in feet. Insulation kit for 6in x 25ft liner.

The answer is the number of bags you will need. The three primary types of chimney liners used are clay tile cast in place and metal flue liners. National chimney offers a line of metal chimney liners that have been accepted by csia as safe for home use when properly installed. Duraliner ensures safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue gas.

There are two main types of chimney liner insulation. If you are required to insulate your liner or just want the added benefits and performance you will want to measure the flue tile dimensions. The most common type of chimney liners are clay tiles. There is no building regulation that says you must insulate around a flexible flue liner within a chimney stack.

It is the only factory insulated product with zero zero clearance for high heat wood burning appliances. Chimney liner insulation offers many benefits in terms of improved system safety increased efficiency and reduced maintenance cost and in just a short period of time could pay for itself. Cast in place chimney liners are lightweight cement like products that are installed inside the chimney forming a smooth seamless insulated passageway for the flue gasses. By keeping combustion gases hot until they leave the flue your insulated chimney liner will accumulate less moisture.

Which one you choose largely depends on how old your home is and when you had the liner repaired or replaced last. This will add to the diameter of the chimney liner so this route is not always practical. Divide this number by 461. However building regulations do state that gases must be safely taken away from the building and by insulating your flexible flue liner within the chimney cavity will ensure that the gases will travel directly up from the stove and out through the chimney top.

Insulation kit for 6in x 30ft liner. Types of chimney liners. The insulation will enable the flue to heat up more quickly and this increases your draft reduces creosote making it easier to clean and makes your system more efficient safer.