Prefab Metal Chimney Chase

To spot a factory made chimney you ll look for a metal pipe rather than a stack of bricks extending from the roof.
Prefab metal chimney chase. When this material starts to decay it creates a very acidic condition that eats the galvanized coating off the metal. The chimney cap goes on top of your chase cover. Prefabricated chimneys were introduced in the 1960s as a more affordable alternative to masonry chimneys. Sku product price default sales add date rating.
A chimney that is prefabricated is less sturdy than a standard masonry chimney is. Over the years the metal covers on most pre fab chimneys start to rust due to moisture rain ice and snow that sits on the metal for extended periods. Water damage from rust and rot will make the fireplace and flue pipe a fire hazard. Chimney chase covers in addition to chimney caps keep your fireplace safe and dry.
The chimney chase itself has decorative and protective roles. The chimney chase top chimney chase cover is usually metal constructed of formed aluminum or stainless steel. Pre fab chimneys have a metal covering chase top to prevent water from entering the interior of the chimney structure. We find leaks here especially where the top is framed and enclosed flat and the top flashing lacks adequate pitch and stiffness to avoid collapsing even becoming concave where there are snow loads.
Even a small chimney fire can damage the structure so regular chimney cleaning is important. A leak can also result if the chimney chase cover is damaged. A chase cover is a metal cover that fits over your chimney chase on chimneys with wood metal or vinyl siding to prevent water from entering the chimney. On a masonry chimney the chimney crown provides that protection.
Therefore annual chimney inspection is recommended to ensure that the system is in peak operating condition. In a prefabricated system it s a chase cover pan or shroud. Water will leak in old and rusted metal covers causing damage to your fireplace and chimney. Chimney chase covers if you have a pre fab chimney with wood metal or vinyl siding a chase cover is the lid that keeps water and animals out of your chimney.
A new chase cover stops water leaks on a prefab chimney. With the inner liner and outer casings built from 304 stainless they are extremely corrosion resistant and the double wall design with locking joints means safety. We stock the hart cooley model tlc prefab chimney product line. The original chase top is usually made of an inexpensive galvanized sheet metal some 1 piece and some several pieces never acceptable.