Heat from the house rises up to the attic but when there isn t one the heat rises up to the roof.
Vent insulation roof.
Soffit vents are one of the most popular intake vent styles.
Beyond the decreased capacity for insulation when venting the roof deck venting the roof deck or the attic has some other drawbacks worth considering.
In cold climates snow can enter the soffit and ridge vents melt and potentially cause rot.
These specialty vents do not affect the.
All insulation materials require proper venting.
Cathedral roofs especially need a lot more insulation between the ceiling and the rafters because there usually isn t any attic space.
If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before it can traverse the attic.
For the same reason insulation shouldn t touch the roof s underside.
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.
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.
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.