The fresh air flows up between rafters to the ridge where a ridge vent roof vents or gable vents allow the air to exit.
Vent insulation roof.
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.
Cathedral roofs especially need a lot more insulation between the ceiling and the rafters because there usually isn t any attic space.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
To be sure your roof is getting enough ventilation there are simple calculations that you can follow.
Raft r mate attic rafter vents create a space between each rafter for air to.
All insulation materials require proper venting.
These specialty vents do not affect the.
Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no.
Heat from the house rises up to the attic but when there isn t one the heat rises up to the roof.
The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.
In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot.
For the same reason insulation shouldn t touch the roof s underside.