{"id":38983,"date":"2022-10-17T12:00:14","date_gmt":"2022-10-17T16:00:14","guid":{"rendered":"https:\/\/roofvents.com\/uncategorized\/rbv-03-c04-round-back-vent-3-inch-diameter-4-inch-collar"},"modified":"2022-10-21T14:31:30","modified_gmt":"2022-10-21T18:31:30","slug":"rbv-3-c4-round-back-vent-3-inch-diameter-4-inch-collar","status":"publish","type":"product","link":"https:\/\/roofvents.com\/static-vents-round-back-vent\/rbv-3-c4-round-back-vent-3-inch-diameter-4-inch-collar\/","title":{"rendered":"Round Back Static Roof Vent | 3″ Diameter 4″ Tall Collar | 7 Sq. In. NFA | Model RBV-3-C4"},"content":{"rendered":"
The\u00a03 inch Round Back Static Roof Vent is 3 inches in diameter and has a 4 inch tall collar. In other words, this vent has 4 inches of clearance between the base and the inner louvers. The model RBV-3-C4 has 7 inches of net free area (NFA) which means each vent will ventilate 30 square feet of space.<\/p>\n
To determine the number of roof vents<\/a> you may need, see the Vent Calculator<\/a>. Each 3 inch static vent comes with an 8\u201d x 8\u201d square flange.<\/p>\n This 3 inch roof vent is ideal for roofs with a 3\/12 to 12\/12 roof pitch. For a pitch of 3\/12 or greater<\/a>, install this vent no more than 3 feet from the ridge of the roof. Doing this will enable you to install your static vent in all climate zones<\/a>.<\/p>\n The 3 inch static roof vents will work in conjunction with bathroom fans and range hoods.<\/p>\n The vent lid is one piece of spun aluminum that prevents rain and snow from entering the attic. The round design is aerodynamic to withstand wind pressure exceeding 200 mph. All Round Back roof vents are resistant to corrosion and will remain rust free for the life of the roof.<\/p>\n The inner louvers of the roof vent keep insects and animals from entering the attic. Meanwhile, the louvers will also allow the air to flow freely to the outside.<\/p>\n This 3 inch roof vent is great for residential roof applications because of its low profile. These vents can also be powder coated to match the color<\/a>\u00a0of asphalt shingle roofs.<\/p>\n AVP\u2019s Round Back Static Vents are\u00a0UL Listed<\/a> and rated up to 50+ PSF or wind pressure above 200 MPH.\u00a0 Certified by Texas Department of Insurance<\/a>,\u00a0Florida State Approved<\/a>\u00a0& Conforms to the Standards of\u00a0CALFIRE<\/a>.<\/p>\n In addition, if you are looking to ventilate a duct, please see the\u00a0Round Back Roof Jack<\/a>\u00a0for vents with a tailpipe adapter. AVP also offers Static Vents with\u00a0curb mount flanges<\/a>\u00a0to go on roof curbs.<\/p>\n","protected":false},"excerpt":{"rendered":" The 3 inch Round Back Static Roof Vent is ideal for ventilating small attic spaces, bathroom fans, or range hoods | Made in America<\/p>\n","protected":false},"featured_media":68966,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":""},"product_cat":[54],"product_tag":[],"diameter":[256],"height":[210],"product_line":[237,276],"nfa":[277],"diameter_nfa_combo":[201],"flange_type":[212],"attic_fan_cfm":[],"solar_fan_cfm":[],"pipe_cap_type":[],"shingle_vent":[],"curb_height":[],"acf":[],"yoast_head":"\nWhere to install:<\/strong><\/h4>\n
How it Operates<\/strong>:<\/h4>\n
Lastly, for any questions please see the frequently asked questions page<\/a>. If you still have questions, email the sales team at\u00a0sales@roofvents.com<\/a> or call 845-565-7770.<\/h6>\n