What Does A Roof Ridge Vent Look Like

Trusses are set onto the walls of a house and are tied together with horizontal boards called purlins.

What does a roof ridge vent look like.

Since exhaust and intake must be equal 450 square inches of total intake is required as well. Since each truss is a complete frame trusses do not use a common ridge board and the purlins along with the roof decking provide lateral support. But for a simple gable styled roof structure here is what a ridge vent looks like from inside the attic of a home. Now the ridge vents are sitting perhaps 3 or 4 inches above the base of the chimney on either side and it looks like they were stuck on as an afterthought being a bare metal housing the sits on top of the peak rising above it on both sides of the chimney.

The design of a roof ridge vent works with the look of your home. To calculate an example of exhaust and intake use 25 feet of roof ridge vent. Once the decking and roofing are installed a truss roof looks just like a stick framed roof. Start by inserting an end plug into the first section of the ridge vent.

The whole point to a ridge vent is that it takes air from all along the bottom of the roof line and exits it out the top kind of like a toilet. The ridge vent cut at the roof ridge or peak extends the entire length of the ridge stopping just a foot or so from either end and should give 1 5 to 2 5 of open space no plywood on either side of the ridge board for. Here s a look at the gaf cobra ridge vent attic exhaust vent installed with 4 sections https amzn to 2pdescw https amzn to 2smprxm. Finally you are ready to install the ridge vents.

Use two inch roofing nails to pre fasten the first section through pre drilled holes. They allow the house to breathe correctly. Then you might need the soffit vents too. The problem with gables is they short circuit the air flow paulcp writes.

Vents evenly spaced underneath the roof provide intake. That means roof ridge vents are like the exhaust system. Multiply it by 18 square inches the net free air per foot of ridge. The soffit vents act like the air intake for the home.

Expect the installation of a ridge vent to run about 500 on average if you.