NB52 Reducer – Works with NB1D

The Nill Building Solutions 3” reducer flange is designed to mount on top of the roofing membrane and sandwich into the NB1D. Adding double waterproof protection to your attachment points while creating another waterproof attachment point with the reducer flange’s threaded port.

Product Features:

• PATENT PENDING
• 1/2”-13 Waterproof Threaded port
• 3/4”-10 X 1” Long threaded post
• 3” flange X 1/4″ thick
• Caulk groove to ensure waterproof seal