Rhode Island Patent of the Month – December 2021

When constructing a house, restaurant, or commercial building, contractors usually direct the dryer exhaust duct up towards a flat roof. The end point of the duct needs to be weatherproof in order to protect the galvanised steel it is made from. It also needs to be wind protected and insect and bird proof while still maintaining maximum free air flow. While there are many existing exhaust duct termination designs, most of these are known to be difficult to install, maintain, and use in general. For instance, a roof jack design requires expensive separate roof curbs to be flashed into the roof, and then the roof jack to be flashed into these curbs. This is labor intensive and costly.

Roof Goose Vent, LLC has designed a more cost and time effective solution which still meets all required codes and regulations. The design simplifies installation by sliding snuggly over the existing duct. The galvanized duct typically extends from the roof between 18 and 42 inches. Roof Goose Vent’s duct termination consists of a sleeve, typically made of PVC to achieve a lightweight and weatherproof construction. The sleeve is slipped over and secured to the duct. A neck is attached to the sleeve, shaped with a curve that mimics the rounding of a goose’s neck. Then, a cap and damper are attached to the neck. The cap has a series of openings that allow for maximum venting while blocking pests and debris from entering. The cap can be easily twisted on or off, making it easy to clean out the vent as needed without requiring any special tools.

Roof Goose Vent uses the expertise of a high-volume multifamily HVAC subcontractor who has seen numerous vent termination designs. Each design had its own unique limitations, and so the company decided it was time for the industry to have a single solution which met and overcame every limitation.

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