Retrofit Ring & Dome Kits

The Marathon BS-1300 Aluminum Retrofit Ring & Dome is engineered as a durable and lightweight replacement component for retrofit roof drains. Its corrosion-resistant aluminum construction ensures long-lasting performance, while the dome design helps prevent debris from clogging drains. The dome measures 12-1/8″ in diameter with an overall height of 4-1/2″, making it a reliable solution for maintaining efficient roof drainage. Key Features: Aluminum retrofit dome with ring assembly Dome...

RoofGuard Drain Guard system is designed to eliminate standing water. It's patented design increases surface area by 5x or more making a RoofGuard protected drain virtually unccloggable. RoofGuard Drain is fast and easy to use, it's removable top allows easy access to drain and piping without detaching RoofGuard. Not only will RoofGuard save you money by eliminating leaks and costly repairs caused by clogged drains, but it's installation is fast, simple and requires no tools!Features:Replaces...

The Marathon BS-1300CI Cast Iron Retrofit Ring & Dome provides a rugged solution for retrofitting existing roof drains. Built from heavy-duty cast iron, it delivers superior strength and long-term performance. This retrofit assembly is designed to fit 3-bolt or 4-bolt drain patterns ranging from 6-1/2″ to 11-3/4″, making it versatile for multiple roof drain installations. Key Features: Cast iron retrofit dome with ring assembly Compatible with 3- or 4-bolt drain patterns Fits bolt patterns...