Attic Insulation Around Metal Chimney

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.

Attic insulation around metal chimney.

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. As such it can be used to insulate a chimney. 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. How to insulate a metal flue pipe.

This article describes the basic fire clearance requirements for four types of manufactured metal chimneys. Fiberglass insulation is naturally fire resistant. Not ever wrapping metal vent system or metal manufactured chimney system with insulation. Initial vent exposed in cold attic below roof deck not appropriately sized unenclosed to begin with often problems.

Ideally both metal and masonry chimneys should be airsealed for energy conservation purposes air leakage and to stop house moisture getting to the attic with the escaping house air. Metal chimney fire clearance codes specifications. 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. Are rated for zero clearance.

B vents l vents class a chimneys and 650c chimneys. Can insulation be put next to the matel chimney in the attic area for a gsa furnace.