Was: $372.60
Price: $372.60Sale: $372.60
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Description
The Portals Plus 74004 and 74044 are large 2-way aluminum breathers designed to relieve moisture vapor and equalize air pressure in commercial roof systems. They feature heavy-gauge spun aluminum construction (.060″ gauge) with a base flange diameter of 11.5″ and a stand-pipe opening of 6.5″. The units include a locking, vandal-proof rain cap and are packaged in cases of four. Installation spacing is recommended at one unit per 1,500 square feet.
Key features:
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Heavy-gauge spun aluminum body (.060″) ensures durable field performance.
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Base flange diameter is 11.5″ for secure flashing and integration with roof membrane systems.
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Stand-pipe opening of 6.5″ and height of 11″ to provide adequate airflow for large roof areas.
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Locking vandal-proof rain cap protects interior from wind-blown rain or snow infiltration.
Specifications
- SKU: 74004 / 74044
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Construction: .060″ spun aluminum body with heavy gauge design.
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Base flange diameter: 11.5″.
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Stand-pipe opening: 6.5″.
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Height: 11″ minimum.
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Application spacing: One unit per 1,500 square feet of roof area.
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Cap design: 4.5″ counter-flashing rain cap, locking, vandal-proof.
FAQs
Q: How many units should I install for a typical commercial roof?
A: Install approximately one breather per 1,500 square feet of roof area.
Q: What is the body construction of models 74004 / 74044?
A: The body is heavy-gauge spun aluminum (.060″) with a base diameter of 11.5″.
Q: What size is the stand-pipe opening and why does it matter?
A: The opening is 6.5″, allowing adequate airflow and vapor escape for large roof systems.
Q: Does the unit include a rain cap and does it protect against vandalism?
A: Yes. It includes a locking, vandal-proof rain cap that helps prevent wind-blown rain, snow or debris from entering the stand-pipe area.
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