Even without soffit vents a ridge vent is much more effective than gable vents paulcp thinks hammer is right.
Roof ridge vent something eating plywood.
But the ridge vent maintenance and running cost is a lot less than for turbines when.
To be sure your roof is getting enough ventilation there are simple calculations that you can follow.
Venting prolongs the life of the roof.
Maintain ridge nailing by adding additional blocking set back from the ridge or by using vent holes see.
Even a partially dislodged ridge vent can begin to act like a scoop that collects wind driven rain and directs it into the.
Ridge vents when the roof sheathing is used as a structural diaphragm as it typically is in high wind and seismic hazard areas the structural integrity of the diaphragm can be compromised by a continuous vent see figure a below left.
Ridge vents key issues n ridge vents are frequently fastened down us ing ordinary roofing nails since these are nor mally handy.
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.
However if you were only going to install 3 or 4 the turbines would be more affordable to you.
Complete replacement may be over 1 000 on some roofing types.
Also we present a video in which ryan explains how he bat proofs a ridge vent.
Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering.
Expect the installation of a ridge vent to run about 500 on average if you re not touching the rest of the roof.
Animals and ridge vents.
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 attic air to escape out through the ridge vent.
This post discusses animals getting in at ridge vents.
Position the aluminum ridge vent along the reference line.
The problem with gables is they short circuit the air flow paulcp writes.
They allow the house to breathe correctly.
It is fairly common to find ridge vents dislodged or blown off during a hurricane figure 8.
Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.
Yet when it comes to nuisance animals like squirrels and bats ridge vents can also offer animals a way into the attic.
Openings along the sides allow air out of the attic cooling the space and lowering your air conditioning bill.
A ridge vent is an important component of a roofing system.
What are the cons.
In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot.
Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer.
It doesn t work well in warmer climates.
