Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
Attic baffles images.
Typically made from.
An attic baffle is simply an item to regulate the flow of air aka required roof venting and impede it the insulation from interfering with each other.
Integrated baffle eliminates the need for blocking material such as batt insulation between the vent and the wall top plate as is commonly the practice for installation of rafter vents without an integral baffle.
Attic baffles how they work.
See all customer images.
The beauty of attic baffles is that they are available from most home improvement stores and can be installed simply with a few staples if you want the diy approach.
The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.
If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts.
To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes.
Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.
Owens corning raft r mate attic rafter vents.
Smartbaffle 16 out of the box size is 18 5 w x 37 5 l x 4mm thick and is constructed of rigid corrugated plastic with two bending routes each route at 2 25 in from the long edge.
Please try again later.
How much do you need.
Baffles are also called wind baffles venting chutes rafter vents or insulation baffles.
5 0 out of 5.
Innovents attic baffles 48 x 22 bundles of 100 5 0 out of 5 stars 2.
Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit.
Baffles provide a channel for air to flow through certain parts of the attic.
Let our calculator help.
These insulation baffles are strong durable easy to work with and can be used in new construction or retrofit during renovations.
Surprisingly even the most well insulated attic space may still require the assistance of attic baffles to provide the additional air circulation.