Best Roof Caps In January 2025

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Here, we’ll review the top 10 Best Roof Caps on the market today. We’ll provide an overview of the pros and cons of each product. Read on for our selection of Best Roof Caps.

To help you in your search, we have completed this list of the Best Roof Caps.

Top Rated Best Roof Caps Of 2025

Rank	Product Name	Score
1	Broan Steel Roof Cap for 3-1/4x 10"up to 8" Round Duct Buy Now	9.7 Buy Now
2	Broan-NuTone 634M Roof Cap Black Up to 6" Round Duct Buy Now	9.5 Buy Now
3	Broan 636 Roof Vent Cap Only Buy Now	9.1 Buy Now
4	Builder's Best 012633 Galvanized Steel Roof Vent Cap with Removable Screen & Damper Buy Now	8.8 Buy Now
5	Lippert Components 360 Siphon Roof Vent Cap - White (Gen 2) Buy Now	8.6 Buy Now
6	Roof Cap, 10 in. Fits Duct Size, Aluminum Buy Now	8.3 Buy Now
7	ECOTRIC 4Pcs Black Roof Rack Rail End Bar Cover Cap Shell Protection Replace Buy Now	8.1 Buy Now
8	NuTone 636AL Roof Cap for Ventilation Fans, Aluminum Buy Now	7.8 Buy Now
9	Broan 437 High Capacity Roof Cap Black 1200 CFM Buy Now	7.5 Buy Now
10	Oatey Mushroom Vent Cap, 3 Pack Buy Now	7.2 Buy Now

1. Broan Steel Roof Cap for 3-1/4x 10"up to 8" Round Duct

• Easy installation: roof cap is designed to fit with a 3.25" x 10" or up to 8" round duct to provide a simple, flexible installation
• High-quality roof cap: roof cap for use with range hoods, losone fans, and bath ventilation fans maximizes the air and sound performance of your fan or range hood
• Durable: constructed of sturdy, 24-gauge crcq steel construction with a black electrically-bonded epoxy finish to ensure durability and lasting use
• Secure: footprint is 18.75" x 14.25" for a secure, well-balanced fit
• Reliable: includes a built-in, backdraft damper and bird screen provide a dependable roof cap you can rely on

2. Broan-NuTone 634M Roof Cap Black Up to 6" Round Duct

• Reliable: includes a built-in, backdraft damper and bird screen provide a dependable roof cap you can rely on
• High-quality roof cap: roof cap for use with range hoods, losone fans, and bath ventilation fans maximizes the air and sound performance of your fan or range hood
• Secure: footprint is 18.75" x 14.25" for a secure, well-balanced fit
• Easy installation: roof cap is designed to fit with a 6" round duct to provide a simple, flexible installation
• Durable: constructed of sturdy, 24-gauge crcq steel construction with a black electrically-bonded epoxy finish to ensure durability and lasting use

3. Broan 636 Roof Vent Cap Only

• This item is broan-nutone 636 roof vent cap only
• Used for appliance parts & accessories,miscellaneous accessories
• Compatible with either a 3 in. or 4 in. round duct
• The product is manufactured in united states

4. Builder's Best 012633 Galvanized Steel Roof Vent Cap with Removable Screen & Damper

• Protection against corrosion: our vent caps are astm b117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. other leading and foreign brands have little or no corrosive protection.
• Ideal for bathroom or kitchen vents. screens are removable so that caps can be used for venting clothes dryers as well.
• Features: riveted construction, does not use caulk. includes pre-drilled holes for easy mounting. vent also comes with a flapper (damper) that prevents back drafts.
• Extremely durable: this is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish.
• Quality made in the usa by builder's best, inc. builder's best brand is a us registered trademark.

5. Lippert Components 360 Siphon Roof Vent Cap - White (Gen 2)

• No maintenance
• Sophisticated, patented design with no moving parts
• Measures 99-1/2" long x 19-1/8" wide x 8-1/4" deep
• Easy installation and universal fit
• Prevents odors and gasses from invading rv living space
• Speeds up waste breakdown, eliminating the need for chemicals

6. Roof Cap, 10 in. Fits Duct Size, Aluminum

• Includes: bird screen, built-in backdraft damper
• Construction material: steel
• Item: roof cap
• Flange size (in.): 14-1/4" x 18-3/4"
• Cap height (in.): 6-1/2"

7. ECOTRIC 4Pcs Black Roof Rack Rail End Bar Cover Cap Shell Protection Replace

• -replace original roof rack end when it lost or broken, easy to install,brings you car a whole new look.
• -material: abs. color : as picture show, unpainted black.
• -instruction is not included!!
• -fit for toyota 4runner n210 2003 2004 2005 2006 2007 2008 2009
• -package includes: 4pcs roof rail end bar cover

8. NuTone 636AL Roof Cap for Ventilation Fans, Aluminum

• Natural aluminum finish
• Fits 3-inch or 4-inch round duct for versatility
• Not for use with dryers
• Built-in backdraft damper to keep out unwanted outside air
• Built-in bird screen keeps out unwanted critters

9. Broan 437 High Capacity Roof Cap Black 1200 CFM

• Footprint is designed for use with fans up to 1200 cfm, providing the right roof cap for use with high performance blower systems a built-in, spring-loaded backdraft damper and bird screen provide a dependable roof cap you can count on roof cap is made of 24 gauge crcq steel construction with a black electrically-bonded epoxy finish for durability and long life for use ...

10. Oatey Mushroom Vent Cap, 3 Pack

• Sold as 3 pack
• Mushroom vent cap, fits brand any
• Includes 3 hex bolts