So why install a baffle.
Attic soffit vents baffles.
Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.
Per the 2009 irc r806 3 vent and insulation clearance insulation shall not block the free flow of air.
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.
Baffles ensure proper airflow into your attic space.
That airflow is intended to churn the stale air in.
Installing baffles from a soffit vent and up the rafter bay allows you to insulate every available inch of attic floor space.
Item 1571672 model xudv2248.
Without fresh air from the soffit vents your roof top vents such as.
Without an attic baffle there will not be any air space for fresh air to enter the attic from the soffit vents.
An attic with balanced ventilation has undereave or soffit vents which allow fresh air into the attic.
Soffit vents and baffles work in tandem together and you will usually find attic baffles between the rafters or the roof sheathing in order to create protection for the soffit vents.
The code associated issues.
These specialty vents do not affect the.
Durovent durovent 22 in x48 in raft vent 10 pack.
Baffles prevent vents from getting clogged by insulation and ensure a clear channel for outside air to move into the attic through soffit vents.
Without baffles you must keep vents clear of insulation which means.
If you opt not to have an attic baffle you could potentially be leaving your home to additional debris and moisture to enter through the.
From left to right air flows through the soffit vents up over the baffles allowing for the required roof venting.
If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before.
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.