High Wind Roof Vent Caps

Each features a black steel roof cap with a built in back draft damper and bird screen.

High wind roof vent caps.

Heatsource minister of fire. Not recommended for dryer venting. Currently there is no ade quate standard test method to evaluate the potential for wind driven rain to enter attics through soffit vent openings such as those shown in figure 6. Round gas vent collection aluminum high wind cap with 4 inch inner diameter this aluminum high wind cap with 4 inch inner diameter from the round gas vent series is a type b gas component and consists of the duralock system for a tight seal.

Sometimes altering the cap on the vent reduces the vacuum. I need to know what would be the best termination cap for very high wind area. The gas vent is on the south side of our home and when the winds come from that direction the stove goes crazy. Dec 19 2011 1 064 northern ca.

Use for vertical terminations only. On the roof if you have a few possible locations for a vertical vent it might be a. Duravent 4 x 6 5 8 inner diameter directvent pro direct vent pipe double wall co linear masonry chimney conversion kit with flex pipe and high wind cap model. Vertical vents were a source of whistles and banging flappers.

Your feed back will be most welcome thank you. Designed for 3 and 4 ductwork these roof cap vent kits help vent heat moisture and odors from bathrooms showers and recreation rooms. Minimizing water intrusion through roof vents in high wind regions 4 of 8 r 7 oofing 12 10 wind driven rain penetration. Newer vent caps will be somewhat enclosed at the top which will help to prevent water and pest intrusion.

Also these designs won t allow the cap to collapse and block the vent. Keep in mind that wind blowing across a vent opening creates a vacuum the faster things blow thus creating flap rattles as the wind gusts.