Cor-A-Vent V-300 Ridge Ventilation System

- Even Lower Price!
NEW V-300E in 11" and 8 1/2" widths are the same great product as regular V-300 but with an added Enhanced Snow Screen™ to prevent fine snow from entering the ridge vent.

The V-300 product line is our lowest profile ridge vent line. It works equally well under shingles as well as shakes or slate roofing. V-300E products are ideal for hip use. The low profile make the hip vent blend in with the roof. If you are looking for a low profile ridge vent that still provides plenty of ventilation our V-300 product line is your answer.

V-300 used with Shingles
V-300 used with Flat Tile

Key Benefits

• 13.5 sq. in NFVA per lineal foot UL CLASS "A" approved
• 5/8 inch low profile design
• Use V-300E as a hip vent
• 3 widths to choose from: 11", 8 1/2" and 7"
• Use on  all slopes from 3/12 to 16/12
• Crush Proof Design
• Made from heat resistant polypropylene

General Installation Instructions


For dimensions open the End View 1 PDF & End View 2 PDF files.
For dimensions if you have AutoCad open the End View 1 DWG & End View 2 DWG files.
You can also view our "Balanced Ventilation How it works" FAQ sheet.
V-300 Brochure click here.
Frequently asked questions (FAQ) click here.
Click here for our complete list of Technical Drawings.

Product Packaging and Shipping Information for V-300 and V-300CS (8 1/2")
Pcs per Unit Shipping Weight per Unit
12 - 4 foot pcs 30 lbs

Product Packaging and Shipping Information for V-300 - 7 Inch
Pcs per Unit Shipping Weight per Unit
18 - 4 foot pcs 30 lbs

To request more information please click here.

 

Figure your Ventilation Needs

Enter your Square footage of your building footprint below and click "Calculate" to find the amount of Lineal Feet of V-300 you need for your project.

Specify your vent ratio:
1/300 ratio 1/150 ratio
Building Footprint: sq. feet.    
You need Lineal feet of V-300.

Note: Remember to provide balanced soffit ventilation also.  		  
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