Residential Flat Roof Ventilation

Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.

Residential flat roof ventilation.

27 lineal feet required. This is a basic venting system that simply acts as a base and holder for piping that is coming through the roof. Avp ensures that its roof vents and roof accessories install easily on membrane roofs and once installed can add years of life to a roof membrane. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.

Flat roof ventilation is achieved by creating air changes to the attic or plenum. The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. This has generally been eminently successful but problems have sometimes developed where there has been inadequate ventilation. Even when a roof is sloped the ventilation isn t able to do many of the things that ventilation proponents expect for example lower roofing temperatures significantly.

Flat roof ventilation is a niche that active ventilation products avp has supported and supplied for many years. Removal of excess heat and moisture will help the life of the roof and will help the functionality and efficiency of the hvac systems. The rubber boot conforms to the exact size and shape of the pipe to keep water from leaking in. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals.

Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Not much air moves through vents installed in flat roofs. See the benefits of attic ventilation a new roof is more than just shingles. The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.

There are several reasons why you don t want to vent a flat roof. This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work. The aluminum base holds the vent in place with built in flashing. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.

Residential homes with flat roof vents make use of the boot vent. Ventsure 4 foot strip heat moisture ridge vent. The building codes and building science for. Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier.

Avp s flat roof vents are manufactured specifically for flat roof ventilation.