What Does A Flood Vent Do

These permanent openings accomplish this objective by allowing water to pass into or out of a building s exterior foundation walls.

What does a flood vent do.

This site serves as a technical resource for examining the purpose of flood openings how they perform and when they are required. The purpose of flood vents also called flood gates or flood ports is to reduce structural damage from flooding. Smart vent s line of icc es certified engineered flood vents protect houses and buildings during floods by preventing hydrostatic pressure buildup that can destroy walls and foundations. The opening in the wall must be at least 3 in diameter.

A flood vent or flood port is a permanent opening in a wall designed to allow the unobstructed passage of water automatically in both directions in to or out of the building interior. The mapping and regulatory standards of the national flood insurance program nfip are general standards and do not address every flood problem in the united states. Flood openings protect residential houses and commercial buildings in floodplains by preventing hydrostatic pressure buildup that can destroy walls and foundations. Flood vents protect houses and buildings during floods by preventing hydrostatic pressure buildup that can destroy walls and foundations.

Why is that so important. The bottom of the flood vent opening must not be higher than 12 inches above the adjacent grade. These permanent openings accomplish this objective by allowing water to pass into or out of a building s exterior foundation walls. Why is that so important.

This mitigation technique referred to as wet floodproofing allows floodwater to freely flow through an enclosure such as a crawlspace or garage. A garage attached to an elevated building is considered an enclosure. This requirement refers to the hole in the wall and not the flood vent. This mitigation technique referred to as wet floodproofing allows floodwater to freely flow through an enclosure such as a crawlspace or garage.

The top of the opening must be below the base flood elevation bfe. The purpose of flood vents also called flood gates or flood ports is to reduce structural damage from flooding. See fema technical bulletin 1 2008 page 21 and 26. Flood vents protect houses and buildings during floods by preventing water pressure buildup that can destroy walls and.