Our Roof Drains and Accessories category offers multiple ways to shop, featuring a complete selection of roof drains and drainage accessories. Whether you’re replacing, upgrading, or customizing a system, you can easily browse by manufacturer to find top-quality products from trusted names in roofing drainage. We proudly carry leading brands, including Zurn, Wade, Modi Systems, J.R. Smith, Josam, Portals Plus, MIFAB, Thunderbird Products, and Oatey—each known for superior performance, durability, and long-term reliability.


Best Sellers

Josam Style #410 Clamp Post Package
Clamps Josam 414, 415, 416, 418 Roof Drains, 4 clamps & bolts per pack
Price: $22.95

A package containing four clamp posts and bolts designed to secure Josam 414, 415, 416 and 418 roof drains. Key features: Includes four clamps and bolts per pack Designed for securing roof drains in multiple membrane types Also available in XL Package

Wade Style 3/8 "L" Hookbolt Package
(1968-1982) for 3000 & 3100 Series Drains
Price: $18.20

This hardware package includes four 3/8″ “L” hookbolt fasteners designed for Wade 3000 and 3100 Series roof drains manufactured between 1968 and 1982. These replacement bolts provide a secure fit for clamp rings and drainage components in compatible roof drain systems. Key features: Four 3/8″ “L” hookbolt fasteners per package Designed for Wade 3000 and 3100 Series roof drains Ideal replacement hardware for 1968–1982 models Provides reliable fastening for drain clamp assemblies ...

Olyflow - Uflow Hercules RetroDrain w/Cast Alum Dome
Patented U-Flow Seal Provides Watertight Connection. (Requires U-Flow Screwdriver)
Price: $335.00

The OMG Hercules Aluminum RetroDrains (SKUs HDAL3A, HDAL4A, HDAL5A, HDAL6A) are durable retrofit roof drains designed to replace existing drains in re-roofing projects without removing the existing drain fixture. Each drain features a one-piece spun aluminum body, heavy cast aluminum strainer dome, large flange for secure membrane attachment, and a U-Flow mechanical watertight seal that connects reliably to existing plumbing (PVC or cast iron). These drains meet multiple codes and standards...

Wade WP3220-1-D Cast Iron Dome
Outside diameter 10-3/4"
Price: $87.00

The Wade WP3220-1-D Cast Iron Dome is a rugged strainer designed for Wade roof drain assemblies. Made from cast iron, it provides reliable debris protection while maintaining proper water flow. This dome is built for long-term service in commercial, industrial, and institutional roof drainage systems. Key Features: • Heavy-duty cast iron construction for durability • Protects roof drains from debris while allowing water flow • Compatible with Wade roof drain bodies • Suitable for commercial...

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