*Clearance* Portals Plus 67255 Underdeck Clamping Ring

The Portals Plus 67255 Underdeck Clamping Ring is a cast-aluminum accessory designed to secure a roof drain bowl to the deck structure. By clamping the drain under the deck substrate or membrane flange, it maintains alignment and prevents movement of the drain bowl under load. It is compatible with roof drain systems that require an under-deck clamp and is suitable for both retrofit and new-construction drain assemblies.

Key features:

• Cast-aluminum construction offers durability and corrosion resistance.
• Provides firm under‐deck clamping of the drain bowl to maintain stability and alignment.
• Works with compatible roof drain systems in new or retrofit installations.
• Helps ensure proper drainage function by securing drain components to deck structure.

• SKU: 67255
• Product type: Underdeck Clamping Ring (Drain Accessory)
• Material: Cast aluminum
• Application: Under-deck clamp for roof-drain bowl mounting
• Compatibility: Fits roof drains that include or require an under-deck clamping ring accessory

Q: What purpose does an under-deck clamping ring serve?
A: It secures the roof-drain bowl to the deck structure—ensuring the drain remains properly aligned and fixed, reducing the risk of movement or separation under load.

Q: What is this clamping ring made of?
A: It is cast aluminum, which provides structural strength and good resistance to corrosion in rooftop environments.

Q: Can this accessory be used in both new and retrofit installations?
A: Yes, it is suitable for use in both new roof drain assemblies and retrofit projects where an under-deck clamp is required.

Q: Which roof-drain systems is this clamp compatible with?
A: It is designed to work with Portals Plus and other compatible roof-drain systems that specify an under-deck clamping ring; check the drain assembly for compatibility.