Refractory Cement Chimney Liner

Non water soluble refractory mortar this type of refractory mortar is a blend of aggregates and binders that are not only high temperature resistant but also are acid resistant.

Refractory cement chimney liner.

It surpasses both national fire prevention association nfpa and international residential code irc which require only a medium duty refractory mortar for use in fireplaces and chimneys. Once the cement hardens the bladders are deflated the formwork is removed and any necessary finish work is performed. It is specially designed gray colored refractory cement that is non water soluble after drying. It is an approved all fuel chimney liner and listed to ul 1777 by warnock hersey with the addition of the cecure sleeve.

Evergaurd refractory cement is perfect for cementing and resetting furnaces boilers stoves and chimney collars. It can also be used to cementing and bedding of fire brick and special combustion chambers. Section 7 2 10 2 of nfpa 211 states that clay flue liners must be imbedded in a non water soluble calcium aluminate refractory cement mixture flue goo ii is such a mixture. This product is now the best all around refractory mortar for fireplace and chimney construction.

At this point they pump a mud like mixture of lightweight refractory cement and insulating aggregate is into the chimney until it fills to the chimney top.