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.

Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier. Ventsure 4 foot strip heat moisture ridge vent. 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. Choose one of the following products to meet the recommended exhaust nfva of 528 square inches.

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. 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.

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. In a hot climate roof vents expel hot air from the roof or attic while relieving the load on the air conditioning system. The soffit vents act like the air intake for the home. Roof ridge vents provide a costly system of ventilation that may not be suitable for the checkbooks of some homeowners.

Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams. 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. 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. That is a good indication of the difference in efficiency.

There are two primary types of ridge vents. Click through the range below to find out more about flat roof ventilation and extraction ducting roof tile vents and extraction fascia vents circular soffit vents continous soffit vents eaves ventilation slate vents vented ridge tiles and extraction through wall extraction vents abutment ventilation lead ventilators vent turbines and much much more. 27 lineal feet required. 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.