Crawl Space Door Systems 21-in x 13-in Black Plastic Foundation Vent Cover

Surface mounted design: easily attach to the outside of your crawl space foundation wall, covering 8-in height x 16-in width openings securely with screws or adhesive (not included)

Durable ABS plastic construction: crafted from solid ABS plastic, this vent cover is resistant to rust and rot; it mounts over the opening, providing long-lasting protection

Static vent design: designed as a non-opening, solid piece vent cover, ideal for enclosed, encapsulated, or conditioned crawl spaces

Simple installation: tailored for standard 8-in height x 16-in width crawl space openings, it can be securely mounted by either screwing directly into the foundation wall using a 1/4-in masonry bit or using construction grade adhesive

Paintable finish: customize the look to match your surroundings; this crawl space vent cover is paintable with plastic adherent paint, and for added insulation, it can be easily upgraded by gluing insulation inside the cover