Shop by Brand: JMC plumbing products Inc.

The Crown Vent Guard is a simple, one time installation preventative maintenance security solution, with a patented two piece inner-changeable twist locking feature.

Made from top quality heavy duty thick resin PVC material. Units are 100% Recyclable and UV resistant. Completely safe, super effective and animal friendly. Quick and easy to install. Proudly made in the USA. Available in white and black colors.

Suitable for all residential and commercial installations. Products can be painted to color match any existing roof color. Adds an elegant and unique eye catching rooftop exterior curb appeal.

CrownVentGuards prevents all fallen overhanging tree debris, squirrels, all birds and other nuisance wildlife rodents from entering & nesting inside unscreen exposed rooftop PVC vent pipes. Installing our product line the CrownVentGuard will provide year round adequate functional airflow circulation from rooftop roof ventilation vent pipes, also maintaining clog free mainline sewer drainage system.

Releasing sewer odors and gases to flow out naturally and correctly from conventional open rooftop roof ventilation vent pipes.

JMC uses a new innovative approach representing a major break through in the PVC rooftop roof ventilation new product technology. The Original Crown Vent Guard was voted the Best Preventative Maintenance rooftop roof vent guard product brand, by Professional Contractor's all across the USA in 2010

CrownVentGuard™ - US PATENT NO. 6,959,457,B2