Price: $27.30
Item #POR-72018
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Description
The Portals Plus 72018 1-Way Black Plastic Vent is designed to allow moisture vapor to escape from roof systems and prevent moisture from re-entering the system. Built of high-density polyethylene (HDPE) in black, the unit features a base flange diameter of 10.5″ and height of 7.75″, with a stand-pipe 5.5″ base opening and a 2.5″ counter-flashing rain cap with locking, vandal-proof design. The vent is specified at a spacing of approximately one unit per 1,000 sq ft of roof area.
Key features:
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Black high-density polyethylene (HDPE) construction resists corrosion and weather.
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One-way valve design prevents moisture from re-entering the roof system.
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10.5″ base flange and 7.75″ height provide ample coverage and height for rooftop application.
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Locking, vandal-proof rain cap shields against wind-blown rain and snow intrusion.
Specifications
- SKU: 72018
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Product type: 1-Way Black Plastic Vent (Roof Ventilation Accessory)
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Material: High-density polyethylene (HDPE) in black
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Base flange diameter: 10.5″
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Height: 7.75″ (minimum)
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Stand-pipe base opening: 5.5″; rain cap: 2.5″ counter-flashing
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Recommended spacing: ~1 vent per 1,000 sq ft of roof area
FAQs
Q: What spacing is recommended for these vents on a roof?
A: They are recommended at approximately one unit per 1,000 sq ft of roof area.
Q: What material is the vent body made of and what color is it?
A: The vent is made of black high-density polyethylene (HDPE).
Q: How does this vent prevent moisture from re-entering the roof system?
A: It incorporates a one-way valve that allows vapor to exit but blocks moisture from coming back in.
Q: Is the rain cap protected against tampering or harsh weather?
A: Yes — it features a locking, vandal-proof rain cap to protect against wind-blown rain, snow and tampering.
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