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This is a shallow-recessed crawl space vent cover for standard 8"H × 16"W foundation openings, built with a ¼" recess instead of the usual 1¼" so it seats into thin concrete block and thin foundation walls. It mounts from outside over the existing opening with construction adhesive, Tapcon screws, or both, so no one has to go into the crawl space. UV-stabilized ABS resists rust, rot and fading, and it replaces louvered, automatic or screened vents. It suits homeowners sealing a thin-walled foundation and anyone building out a full encapsulation system; the trade-off is that it only fits thin walls, so thicker foundations need the deeper standard cover.
In stockShips from Hong Kong SAR China · duties may applyReturn policy
This shallow recessed vent cover fits standard 8"H × 16"W foundation openings. Its ¼" recess suits thin foundation walls, concrete block, and other places where a standard 1¼"-deep recessed cover won't fit. Measure your wall thickness before ordering.
It is made of UV-stabilized ABS plastic, which resists rust, rot, fading, and weather damage. It is built for direct sun, rain, and high-humidity crawl space conditions.
The recessed body seats into the existing opening, and the flange overlaps the surrounding wall for a weathertight seal. It mounts from outside, so no crawl space entry is needed. Secure it with construction adhesive, Tapcon screws, or both. It can replace louvered, automatic, or screened foundation vents, and it can be painted with any plastic-adherent paint to match your foundation.
