Attic Insulation Around Metal Chimney

Metal chimney fire clearance codes specifications.

Attic insulation around metal chimney.

This article describes the basic fire clearance requirements for four types of manufactured metal chimneys. Among the many air leakage points damon and his crews commonly encounter in an older maine house is the open chase around the brick chimney. Initial vent exposed in cold attic below roof deck not appropriately sized unenclosed to begin with often problems. Wet zinc sacrifices early.

With the metal types check with the manufacturer as some are still tested with the loose attic insulation shield firestops and should be left as is. Air sealing a flat attic and upgrading the insulation with a blanket of blown cellulose is bread and butter work for weatherization contractor matt damon and his company penobscot home performance based in bucksport maine. As such it can be used to insulate a chimney. Can insulation be put next to the matel chimney in the attic area for a gsa furnace.

The flue is the metal tubing that extends up from the top of your gas furnace or water heater that carries the carbon monoxide gas from the heating unit to your. It is often installed in gaps around the chimney and flue to prevent airflow that can siphon the heat away from the interior of the building. Not ever wrapping metal vent system or metal manufactured chimney system with insulation. This makes it an ideal insulation material for use in areas that experience high temperatures.

Fiberglass insulation is naturally fire resistant. How to insulate a metal flue pipe.