Roofing Ridge Ventilation

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.

Roofing ridge ventilation.

Roofing manufacturers warranties require a minimum of one square foot of ventilation for every 150sf of attic space for traditional systems but only one square foot of ventilation for every 300sf when the ridge vent system is used. Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier. Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent. That is a good indication of the difference in efficiency.

Rather than interrupting the roof line the way other raised vents do a ridge vent is so low profile that almost unnoticeable. In a hot climate roof vents expel hot air from the roof or attic while relieving the load on the air conditioning system. A very popular way to provide adequate ventilation in an attic space is with a ridge vent sometimes called a continuous vent. A ridge vent is a ventilation strip that is placed along the ridgeline of the home.

Proper ventilation is required to validate warranty coverage for most roofing shingles. 27 lineal feet required. There are two primary types of ridge vents. Shingle over vents and aluminum vents.

Roof ridge vents provide a costly system of ventilation that may not be suitable for the checkbooks of some homeowners. House roof ridge venting in independent tests against competitive ridge vents air vent products produced the greatest amount of low pressure above the vent which resulted in a greater ability to exhaust air from the attic. Ventsure 4 foot strip heat moisture ridge vent. One of the great things about a ridge vent is that it is at the topmost point of your roof with hot air constantly rising it is bound to make it way out of the top of your vents thus bringing in cooler air through your soffit vents and into your roof cooling it down.

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 soffit vents act like the air intake for the home. This option might be the updated system which most newer homes use but if you have an older home then you might need the soffit vents too. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams.