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Top 10 Styrofoam Foundation Vent Covers of 2020 – Consumer Guide & Reviews

Rank No. #1
Construction Metals DVBP 6-1/2x7-3/4 Foam Plug
  • 6-1/2x7-3/4 Foam Plug
  • It is not hazardous
  • Manufactured in China
Rank No. #2
LL BUILDING PRODUCTS FVC 168 2PK Found Vent Cover
  • Package Dimensions: 3.708 cms (L) x 20.599 cms (W) x 44.094 cms (H)
  • Product Type: Tools
  • Package Quantity: 1
  • Country Of Origin: United States
Rank No. #3
Foundation Crawl Space Vent Cover
  • Size- 16"x8"x1/2" made of ABS paintable open area 38.2 sq. in, metal screen, anodized, no rust issue, install with 6 screws(not included) or silicon. $29.99 for one vent
  • Made according to 2012 International Residential Code, Chapter 4, Section R408
Rank No. #4
Air Vent Inc Foundation Vent 16" X 8" 45 Sq. In. Free Area, Aluminum mill - silver gray, 16" x 8"
  • Aluminum Foundation Vent
  • 16 x 8
  • 32 sq. in. free area
  • Will ventilate 33 sq. ft
  • Adjustable sliding damper
Rank No. #5
Crawl Space Recessed Foundation Vent Cover - Black (For 8"x16" Foundation Openings)
  • Crawl space vent cover recesses into most 8"x16" openings. This is a solid piece cover. It does not open.
  • Attaches to inside of crawl space foundation opening with fasteners or adhesive (not included). You must remove you old vent to use this cover.
  • Crawl space vent cover can be insulated by gluing insulation inside the cover. May be used permanently or just for winter.
  • Dimensions: Rectangular Inside - 7 ¾” X 15" Outside Mounting Lip - 9 ¾" X 17 ¼" Inside Recessed Depth - 1 ¼".
  • Excellent for closed, encapsulated or conditioned crawl spaces. May be painted with a plastic adherent paint.
Rank No. #6
Crawl Space and Foundation Vent Cover Clips (Accommodates 10 Vents) - Carbon Steel.
  • ECONOMICAL & EASY way to cover your foundation vents.
  • FITS vent casings 2” deep or more.
  • ENOUGH clips to accommodate up to 10 vents (20 clips).
  • PERFECT for standard, large, or irregular shaped vent casings.
  • INSTRUCTIONS included.
Rank No. #7
Crawl Space Vent Cover - Outward Mounted (Black, 10" Height x 18" Width)
  • SURFACE MOUNTED: Attaches to outside of crawl space foundation wall over 8"x16" 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 1/4" 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.
SaleRank No. #8
Manual Crawl Space Vent with Removable Cover and Vermin Screen (Black, 8" Height x 16" Width)
  • DESIGNED FOR: 8" height x 16" width foundation openings. Great for ventilation and encapsulations. Installation hardware included.
  • TOTAL DIMENSIONS WITH MOUNTING FLANGE: 11" height x 19" width.
  • DURABLE: Made of durable ABS plastic that is also paintable. Will not rust or rot.
  • NFA (NET FREE AIRFLOW): 95 sq inches. Almost double the amount of other air vents.
  • BUILT TO LAST: Save money. Quit replacing crawl space vents year after year!
Rank No. #9
Smart Vent Insulated Foundation Flood Vent, FEMA Compliant and ICC-ES Certified - Model 1540-520, 16" x 8" (Stainless Steel)
  • Smart Vent Foundation Flood Vents are FEMA Compliant and ICC-ES Certified (ESR-2074) for 200 sq. ft. of flood protection per vent
  • Bi-directional flood vent feature allows for the free entry and exit of flood water, relieving hydrostatic pressure to help prevent foundation damage and lower your flood risk. Our Insulated model contains an insulated core and weather stripping to keep your enclosure as insulated as possible.
  • The Smart Vent product line is constructed out of Marine Grade Stainless Steel and is 100% made in the United States. T316L Stainless Steel is renowned for its ability to withstand usage in harsh marine and chemical environments, ensuring that our products will handle everything Mother Nature throws at them
  • The lower flood risk associated with the proper installation of Smart Vents can lead to a much lower insurance premium for you home. Save money and protect your property with engineered flood vents.
  • Easily surface-mounted over your foundation using Hurribond or an equivalent adhesive. Finish off your Insulated Smart Vent installation by adding our new Flood Vent Sealing Kit which creates a tight seal and finishes off the interior space.
Rank No. #11
Tjernlund 950-8303 UnderAire Steel Crawl Space Vent, Morning Star Pattern, 18" x 10" Screen (Vent Screen Only)
  • 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
Rank No. #13
Crawl Space Vent (White) - for 16"W x 8"H Foundation Openings
  • 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 1/2"L x 7 3/4"H x 3 1/8D
SaleRank No. #14
Air Vent RABR Heavy-Duty Automatic Foundation Vent, Brown, 50", 1-Qty
  • Designed to work effectively
  • Convenient and easy to use
  • Durable and long lasting
  • Country of Origin: United States
  • Included Components: Brown Auto Vent
Rank No. #15
Witten Automatic Vent B-EBLACK(MB)"Energy-Saver" Foundation Auto Vent 8" X 16"- Black
  • Color: Black
  • Fits standard 8" x 16" vent openings
  • With 18" lintel for new construction
  • High density thermo-plastic construction
  • Stainless steel and corrosion resistant metal parts
Rank No. #16
Witten Automatic Vent 306MBL Foundation Vent, 8" x 16", Stainless Steel
  • Fits standard 8 inch x 16 inch vent openings
  • No electrical hook-up
  • High-density thermo plastic construction with stainless steel metal parts
Rank No. #17
Manual Fndtn Vent W/Damper BRW
  • Made in United States
Rank No. #18
Home Intuition Adjustable Magnetic Heat and Air Deflector for Vents, Sidewall, and Ceiling Registers, 2 Pack
  • 5 YEAR MONEY BACK GUARANTEE. You have nothing to worry about because we have got you covered. Our money back guarantee provides you with the comfort you deserve to make sure your money was well spent and the best part is if your not satisfied we'll return
  • WIDE RANGE OF MOVEMENT. We provide you with the ability to extend and retract between 10” – 14” in order to make sure you still have the proper width and fit resulting in maximum effectiveness.
  • LONG LASTING and MONEY SAVING. Our heat and cold air deflectors are built from heavy duty plastic and super strong magnets delivering both quality and performance you deserve when making any purchase. An evenly heated or cooled room is one that will save you money and over handling your units making sure you don’t push your HVAC system to a point where it is overworking and can lead to overheating and hefty service call fees.
  • SIMPLE CLASSIC DESIGN. A combination of transparent material and low profile design will make sure your home, office, or personal space doesn’t seem to have any odd decorations hanging from your vents allowing you to keep things looking clean and uncluttered
Rank No. #19
Frost King HD7 Premium Unbreakable Air Deflector, 2 Piece (4 Pack Bundle)
  • "THERMWELL" frost king air deflector
  • Adjust from 10" to 14"
  • Heavy duty, magnetic hold, and unbreakable plastic
  • Fits registers from 10'' to 14'' wide
  • Frost King air deflector Bundle with Aserson 42 gallon garbage bag
Rank No. #20
Freedom Flood Vent - Bi-Directional Flood Vent to Reduce Foundation Damage and Flood Risk, FEMA Compliant, ICC-ES Certified for 250 sq. ft. - White, Wall Mounted (16" Wide x 8" high x 2" deep)
  • Freedom Flood Vents are Made in the USA, FEMA Compliant and ICC-ES Certified (ESR-4332) for 250 sq. ft. of flood protection per vent. These engineered flood vents meet the ASTM D2565-99 and ASTM D6110-18 Standards for impact and weathering. They are rigorously tested to ensure the plastic can withstand extreme temperatures and resist damage from impact.
  • Our foundation flood vent is surface mounted over the foundation opening and is usable in crawl spaces, garages, & full height enclosures. They are easily installed for new construction or can be retrofitted with HurriBond adhesive or an equivalent fastener.
  • Bi-directional flood vent feature allows for the free entry and exit of flood water, relieving hydrostatic pressure to help prevent foundation damage and lower your flood risk. The lower flood risk associated with the proper installation of Freedom Flood Vents can lead to a much lower insurance premium for you home, too
  • Freedom Flood Vents contain a permanently attached door that simply needs to be reset after a flood event, rather than a breakaway door that needs to be replaced. The permanent door feature also provides added security from unwanted critters entering your home.
  • Included winter shield does not affect the function of the flood vent when on. When the winter shield is removed, Freedom Flood Vents also provide natural air ventilation.

Last update on 2021-06-07 / Affiliate links / Images from Amazon Product Advertising API

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