Z-Bracket- Depth Extender (2″ by 2-1/4″”)


Depth Extender

  • Easy and affordable flood protection
  • Heavy-duty, rust-free, marine-grade components
  • Guards are easy to install, remove and store.
  • Exceeds FEMA & NFIP flood-proofing certification standards



 Flood Shield: 5052 type Marine-grade Aluminum Alloy.

 Channels: 29/32″ x 1-1/4″ x 1/8″ aluminum extrusion 6062 alloy T5-T6, with 10-32 stainless steel Allen head tightening screws every 8″ on center.

Seals: Neoprene (N) lines the bottom of the shield. Sponge Rubber (SPR) lines the channels. Our seals are composed of high-density rubber extrusions for increased strength with a low hardness that provides better compression.

Hardware:  #10 x 1-1/4″ FHPH with plastic expansion tube anchors. Snap covers for safety provided for the top of the channels and for the mounting holes.

Floor Surface: We recommend our #319 Threshold(1/4” x 2” beveled aluminum plate)


  • 5052 Marine Aluminum Alloy

Our mission is to provide a seamless experience for our customers. We accept orders via several different methods to facilitate your order. Because of the range of available options and the precision needed for efficient installations, Flood Barriers are typically specified in consultation with our Engineering Department.

Speak to a Customer Service Representative:
Local: +1 (718) 292-5333
Toll Free: +1 (888) 383-3330

Send an email to our Engineering Team:
Sending photos of your project will expedite the process, along with taking measurements.