My Attic Does Not Have Baffles
Help purchased home 8 years ago with 2 power attic vents.
My attic does not have baffles. Make sure the fill s depth is uniform across the attic. This is called passive ventilation. Noticed one of the attic vents was not working.
Without baffles you must keep vents clear of insulation which means the space around the vent typically receives no blanket of protection. This creates a natural air flow by drawing in the air from outside pushing it up and out through the vent at the top of the house. 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 soffit vents.
Check your attic for baffles. Not sure i follow this but it sounds like you have two vents in the gable ends of the attic and three box type roof vents. Are the two gable vents above or behind the kneewall.
Don t be baffled by baffles. 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. Told that the 2 attic power vents are the only attic ventilation i have the house does have vented soffits every other soffit cover is vented.
Keep in mind not all rafter need baffles just those with intake vents at the soffit. Could it make sense to do site built baffles rigid foam all the way up my rafter bay from the soffit to the roof line so the rafter cavity is enclosed with 2 in gap for air flow of course and then run duct from each rafter bay to the attic. In either case this is nowhere near enough ventilation in my opinion.
Things have been ok low energy bills house very comfortable. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house.
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