The outside edge of the baffle should be parallel to the exterior wall sheathing.
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Cathedral vaulted or any ceiling that has insulation blocking the airflow from the soffit vents to the attic needs an attic baffle in each rafter bay.
These specialty vents do not affect the.
In a house with a vented unconditioned attic ventilation baffles are only needed near the eaves.
Without an attic baffle there will not be any air space for fresh air to enter the attic from the soffit vents.
Install attic baffles if the attic doesn t have attic baffles let s install them.
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Baffles establish a channel for air to circulate between the insulation and the roof sheathing.
You ll need to crawl to the end of the eave and staple the baffle against the roof deck.
Assist in the constant flow of fresh air from soffit vent to the ridge by preventing blockage of the airway at the soffit.
As with attic floor insulation moisture and heat removal are the reasons for creating proper air.
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Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.
Measure the space between the roof rafters in your attic.
Raft r mate attic rafter vents create a space between each rafter for air to flow freely up the rafters and into the attic.
Purchase enough baffles of the correct width to install one over every soffit vent.
Staple each side to the roof deck spaced about every 4 inches.
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Typical rafters are spaced 10 14 or 22 inches apart.
Use a piece of plywood a little wider than the floor joist spacing in your attic as a seat board to crawl out under the eaves on.
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