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pattiann4 09-16-2012 09:05 AM

rafter vents
when installing rafter they need to be full length---eave to ridge---or just long enough to clear the depth of the insulation ?

joecaption 09-16-2012 09:22 AM

Are you talking about foam or plastic baffles?
If so they just need to clear the insulation.

pattiann4 09-16-2012 09:58 AM

rafter vents
yes, I am using the foam baffles/vents.

GBrackins 09-16-2012 01:14 PM

insulation baffles are installed prevent insulation from blocking the air flow from your soffit vents to the ridge vent. therefore they should extend above the insulation.

I like the following baffle it blocks air flow (windwash) from the soffit vent through air permeable insulation. cold air running across a warm ceiling can lead to condensation.

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