- 3rd-party tested to ICC 500 and FEMA 2014 P-361 for tornado 250+ mph impact
- meets ANSI standards for size and GPM discharge
- CRD models available in 4″, 6″, or 10″ sizes for poured in place or precast.
- overflow capabilities in COFRD models
- dome shaped to dampen shock to roof drain
- steel or polymer body & dome
Keywords: Vault, roof penetration housings, pipe penetration hood, storm shelter, safe room, pipe portal, aluminum curb, gas portal, electrical portal, conduit portal