Top 10 Best Foundation Vents

Fits standard 8 inch x 16 inch vent openings. No electrical hook-up. High-density thermo plastic construction with stainless steel metal parts.

Replaces old-style manual vents. Fits standard 8 X 16 in vent opening. Automatically opens at 70 deg F and closes at 40 deg F approximately. The key mechanism, bi-metal coil, fully enclosed in protective cover. Stainless steel compression spring with 1 adjustable screw for easy installation.

Manual open air foundation vent with push-pull damper protects against moisture and allows for the natural flow of fresh air under structures. Circulates fresh air and removes musty, moist air. 8 In. x 16 In.. Black. Plastic.

Higher Grade Look Finish picture frame shadow box frame with recessed screen. One size covers range of rough openings 5 x 14 inch 4-78 x 13- to 6 x 14- inches. Also fits 5 x 13 and 4.5 x13 inch openings with modification. Easy and quick labor saving install from outside under 2 minutes with No stucco or siding replacement required. Heavy .023 18 inch mesh pitch Galvanized mesh offers added protection of keeping swarming bees and wasps out Along with meeting Insurance and Building Codes.

Made in United States.

The RazAir home vent made in USA has been a proven product since it was introduced in 2000. Paintable ABS plastic with ultraviolet inhibitors. Layer of mesh screen acts as ember inhibitor keeps insects out. Damper may be kept open to provide ventilation to the crawl space or in times of severe weather, easily closed. Size 16 x 6.5.

Aluminum Foundation Vent. 16 x 8. 32 sq. in. free area. Will ventilate 33 sq. ft. Adjustable sliding damper.

SURFACE MOUNTED Attaches to outside of crawl space foundation wall over 8x16 openings with screws or adhesive not included.. SOLID ABS PLASTIC VENT COVER Won't rust or rot Does not go into the opening. Mounts over the opening.. DOES NOT OPEN OR CLOSE This is a solid piece vent cover for enclosed, encapsulated, or conditioned crawl spaces.. INSTALLATION Designed to be mounted over standard 8 height x 16 width crawl space openings. Screw directly into foundation wall with a 14 masonry bit or construction grade adhesive.. PAINTABLE May be painted with a plastic adherent paint. Crawl space vent cover can be insulated by gluing insulation inside the cover..

Sturdy Galvanized Steel Construction Increases Product Durability and Lifespan. Install from Outside or Inside of Crawl Space. 18 x 10 to Cover Block Foundation Wall Openings. Professional Modern Decorative Designs with Over 80 Open Area. Mounting Hardware Included.

Made in the U.S.A.. Energy efficient window style construction with superior UV resistance. Double pane, frosted glass sash door with extruded bubble seal on perimeter ensures great thermal properties. Removable aluminum insect screen. Fits 16x8 in. opening - Actual size 15 12L x 7 34H x 3 18D.