Products / Special Pipe Portal Systems Large Openings

A curb-based flashing assembly for pipe penetrations of 13 in. diameter and larger, built on an RPS roof curb of 18 gauge galvanized steel with a wood nailer, an 18 gauge galvanized steel cover, a neoprene wrap and two stainless steel clamps. The size chart pairs pipe sizes from 14 in. to 30 in. with roof curb outside dimensions from 22 in. to 38 in., and the submittal offers the assembly on RC-2A, RC-3A, RC-4A, RC-5A and RC-6A style curbs.