CrownVentGuard

CrownVentGuard, manufactured by JMC Plumbing Products Inc. out of Lincoln, Nebraska, is a specialty plumbing and rooftop ventilation products company focused on a single, targeted solution: a protective cap designed to keep wildlife, debris, and blockages out of exposed rooftop plumbing vent pipes. Falling within the plumbing supplies, pest exclusion, and rooftop ventilation protection categories, the product is relevant to builders, plumbing contractors, roofing contractors, and pest control professionals searching for vent pipe covers, critter guards, roof vent caps, and sewer gas prevention products. The CrownVentGuard has been featured in Roofing Magazine and demonstrated on the Ask This Old House TV show by plumbing expert Richard Trethewey, lending it credibility across the trade and consumer markets. The product is made in the USA, 100% recyclable, UV resistant, and animal friendly, and is distributed through established trade channels including Veseris, PCS Outdoors, Wildlife Control Supplies, BuilderDepot, and PDS Radon Supply.

Specification Highlights

• Compatible Pipe Applications: Fits most standard 3″ PVC and ABS rooftop stack vent pipes, with additional compatibility for high-efficiency furnace intake vents, tankless water heater terminating vent pipes, sidewall ventilation pipes, gutter downspout PVC pipes, and sump pump vent pipes (manufacturer confirmation required for HVAC applications).
• Pest and Debris Exclusion: Engineered to prevent entry by birds, bats, squirrels, snakes, rodents, acorns, and other debris that can cause vent stack blockages, plumbing drainage failures, and toxic sewer gas backflow into occupied spaces.
• Installation Method: Three-step installation using a rubber mallet and optional wood block; base unit seats onto pipe with optional PVC cement for permanent attachment; vent cap locks and unlocks via quarter-turn rotation, allowing for easy maintenance access without tools.
• Material and Finish Properties: UV resistant and all-season weatherproof; paintable to match most roof shingle colors, supporting aesthetic integration on residential and light commercial roofs.
• Distribution and Trade Availability: Available through a national distributor network including Veseris, PCS Outdoors, Wildlife Control Supplies (US and Canada), PestWeb, Old World Distributor, BuilderDepot, and ATS/PDS Radon Supply; distributor partnership inquiries accepted directly through the manufacturer.