Portals Plus 22051, Alumi-Flash Standard Base w/182 Black Cap

The Portals Plus 22051 Alumi-Flash Standard Base with C-182 Black Cap is specified for flashing a single roof penetration in the 8″-12″ diameter range. The unit includes a .060″ spun aluminum base, 4″ high, with a 22″ base diameter and a 14″ collared opening featuring two roll-formed sealing beads. The molded EPDM C-182 cap uses a stainless-steel Snaplock clamp for a mechanical weather-tight seal.

Key features:

• Designed for a single penetration sized 8″-12″ in diameter.
• .060″ spun aluminum base unit measuring 4″ height, 22″ base diameter, and 14″ collared opening with two sealing beads.
• Molded EPDM cap model C-182 combined with a stainless-steel Snaplock clamp for mechanical pressure sealing.
• Compatible with all roof systems and engineered to replace traditional pitch-pan flashings.

• SKU: 22051 (POR-22051)
• Product type: Alumi-Flash Standard Base with C-182 Black Cap
• Penetration capacity: Single pipe 8″-12″ diameter
• Base construction: .060″ spun aluminum, height 4″, base diameter 22″, collared opening 14″ with two beads
• Cap: EPDM molded cap model C-182 with stainless-steel Snaplock clamp
• Application: Flashing a single large penetration through the roof

• Roof-in and secure the spun aluminum base according to Portals Plus installation instructions and the roofing membrane manufacturer’s requirements.
• Insert the 8″-12″ diameter penetration through the 14″ collar opening.
• Place the C-182 EPDM cap onto the collar so its internal grooves engage the two roll-formed beads.
• Tighten the stainless-steel Snaplock clamp evenly to form the mechanical pressure seal.
• Inspect the assembly to ensure proper bead engagement and clamp security for a watertight fit.

Q: What size penetration does this model support?
A: It supports a single penetration sized from 8″ to 12″ in diameter.

Q: What are the base dimensions and materials?
A: The base is constructed of .060″ spun aluminum, measures 4″ high, has a base diameter of 22″, and features a 14″ collared opening with two sealing beads.

Q: How does the C-182 cap seal to the base?
A: The EPDM cap seats onto the collar beads and is secured by the stainless-steel Snaplock clamp to form a mechanical weather-tight seal.

Q: Is this product compatible with all roof systems?
A: Yes, the Alumi-Flash system is designed for installation on all roof types as a superior alternative to pitch pans.