What is the difference between non-engineered and engineered flood vent openings?
Non-Engineered Flood Vent Openings:
- Is simply measured by calculating the opening in the vent itself. It’s the amount of air – water flow or net open area. You will require more non-engineered openings than if the openings were engineered.
Engineered Flood Vent Openings:
- Is designed and certified by a registered engineer or architect as meeting certain performance characteristics describes in FEMA Technical Bulletin 1/Aug 08. An Engineered flood vent will need fewer vents to satisfy the requirements of the NFIP and FEMA.
- If using an engineered vent then additional data must be provided. The “engineered openings must be certified by a design professional as having been designed to provide automatic equalization of hydrostatic flood forces by allowing for the entry and exit of flood waters.”
- Design requirements and specifications for certification statements are outlined in FEMA Technical Bulletin 1-08.
Flood Flaps manufactures and sells Engineered Openings, Foundation Vents.
Contact Flood Flaps today at 843-881-0190 or [email protected] to find out how our flood vents can help reduce your flood insurance, and protect your home or business property from flood damage.