Abstract: The present invention is directed to an exhaust vent assembly including a clamp, a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any penetrative fasteners. The invention is further directed to a clamp for attachment to round duct and a building surface to provide strength, rigidity and support to the round duct.

Abstract: The present invention is directed to an exhaust vent assembly including a clamp, a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any penetrative fasteners. The invention is further directed to a clamp for attachment to round duct and a building surface to provide strength, rigidity and support to the round duct.

Abstract: There is disclosed a side wall seal for piping comprising an annular ring adapted to be attached to a building sidewall, an annular wall extending outwardly from said annular ring and having a seam in said annular wall, a first ear extending outwardly from the annular wall adjacent a first side of the seam and a second ear extending outwardly from the annular wall adjacent a second side of the seam, and a closure mechanism for closing the seam around said piping. A wedge member may be used with the side wall seal to angle the piping downward.

Abstract: There is disclosed a flue cap cover for covering a flue cap extending from a building wall. The flue cap cover may be of different colors to match or contrast with the color of the building. The flue cap cover includes a cover, an optional mesh pest guard, a pipe ring and an optional trim ring.

Abstract: The present invention is directed to an exhaust vent assembly including a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any tools and without any penetrative fasteners. The invention is further directed to a utility termination for HVAC line sets, electrical wires or the like. The utility termination includes a plastic sleeve, a plastic cover and a cap. The components for utility terminations may also be used to fabricate the exhaust vent.

Abstract: The present invention is directed to an exhaust vent assembly including a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any tools and without any penetrative fasteners.

Abstract: The present invention is directed to an exhaust vent assembly including a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any tools and without any penetrative fasteners.

Abstract: There is disclosed a passive intumescent fire damper having a metal housing, an inner meltable liner and having a metal and intumescent laminate assembly surrounding the inner liner.

Abstract: The present invention is directed to an exhaust vent assembly including a clamp, a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any penetrative fasteners. The invention is further directed to a clamp for attachment to round duct and a building surface to provide strength, rigidity and support to the round duct.

Abstract: There is disclosed a flue cap cover for covering a flue cap extending from a building wall. The flue cap cover may be of different colors to match or contrast with the color of the building. The flue cap cover includes a cover, an optional mesh pest guard, a pipe ring and an optional trim ring.

Abstract: There is disclosed a passive intumescent fire damper having a metal housing, an inner meltable liner and having a metal and intumescent laminate assembly surrounding the inner liner.

Abstract: A passive ductwork intumescent fire damper is disclosed having a sheet metal box; an intumescent; a sheet metal comb; a plastic liner; a sheet metal comb catch; and a sheet metal escutcheon. The fire damper is particularly useful in a structural wall ducted horizontally such as a side wall range hood installation.

Abstract: The present invention is directed to an exhaust vent assembly including a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any tools and without any penetrative fasteners.

Abstract: There is disclosed a passive intumescent fire damper having a metal housing, an inner meltable liner and having a metal and intumescent laminate assembly surrounding the inner liner.

Abstract: A passive ductwork intumescent fire damper is disclosed having a sheet metal box; an intumescent; a sheet metal comb; a plastic liner; a sheet metal comb catch; and a sheet metal escutcheon. The fire damper is particularly useful in a structural wall ducted horizontally such as a side wall range hood installation.

Abstract: There is disclosed a passive intumescent fire damper having a metal housing, an inner meltable liner and having a metal and intumescent laminate assembly surrounding the inner liner.