In brief baffles are designed to provide a channel of air to flow through specific parts of your attic.
Wind baffles attic insulation.
There are also references to baffles made from different materials.
Putting baffles in your attic is a crucial step in installing attic insulation.
The dual function design creates ventilation channels under the roof sheathing for healthy air circulation while integral baffles prevent wind washing.
They are usually made from cardboard or rigid foam board or polyvinyl chloride.
Installing baffles will let the insulation extend only enough to cover the top plate no further.
The durovent baffle is both water resistant and durable blocking out moisture and wind 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.
Vents rafter vents soffit vents attic soffit vent baffles proper vents or rafter vent baffles.
It is crucial that correct attic baffling with a wind wash barrier be installed.
I recommend the accuvent soffit insulation baffle by berger.
The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works.
Baffles are also called wind baffles venting chutes rafter vents or insulation baffles.
Why is attic ventilation important.
Air seal floor cavities below attic kneewalls and cantilevered floors.
It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down.
Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic.
This directs air from the outside upwards along the baffle instead of across the insulation.
Air seal top plate drywall seams at ceiling corners.
Typically made from polyvinyl chloride rigid foam board or cardboard they can be installed with a few.
Accuvent offers a quick and inexpensive solution for architects builders and renovators to ensure proper insulation performance for better energy efficiency and indoor air quality.
One of many soffit vents under the eaves of my roof.
The baffles make sure that the blown in insulation stays put so there s no wind washing.
Install baffles at each rafter bay with a soffit vent to direct air flow and wind above rather than through attic insulation.
They are known are also known as wind baffle insulation baffles rafter vents or venting chutes.
Installation of the durovent baffle eliminates the need for using 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.