Roof Drains By Manufacturer

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Marathon Roof Drains

Froet Industries Roof Drains

Portals Plus Roof Drains

OMG Roof Drains

Mifab Roof Drains

Modi Systems Roof Drains

Thunderbird Roof Drains

How do you drain water from a roof?

Gutters are the most commonly used, and most cost-effective drainage solution for flat roofs. They catch rainwater as it rolls off the edge of the roof and divert the water into a downspout that dispenses it a safe distance from the foundation of the building.

Where are roof drains located?

In general, roof drains are spaced equally and are located in low points of the roof or in any areas where water accumulates.

What is a roof scupper drain?

Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built-up roofs to allow drainage of excess water. They can be used in conjunction with gutters and downspouts to divert the flow to the desired location.

How does drainage work on a flat roof?

These are drains connected to pipes underneath the roof, positioned in central areas. They drain the water from the roof and carry it directly to the sewer, through internal pipework in your building. The advantages of internal drains include: being able to install them in useful positions to prevent water build up.

Do flat roofs leak more?

Why is a Flat Roof More Likely to Leak? The main reason that flat roofs are more likely to leak is that they are less able to shed water. In other words, they do not allow elements like water to slide off them as easily as steeply sloped roofs do... This is why they are also known as low slope roofs.

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...