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insulate roof foam baffles ventilation

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Uploaded by on Nov 4, 2009

Using foam baffles for ventilation to channel cold and hot air to roof vents before insulation is added.

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Howto & Style

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  • so how this guy thinks this house is going to have air flow, he is doing this wrong, I do this for a living and let me tell you you will never see me doing this because i will get fired and messed up your house, besides that, thats not code, check your local codes for insulation

  • Never do what this guy is doing. Never do this to your house. Follow instructions from the manufacturer.

  • If you're insulating both the under side of the roof, and the top side of you ceilings, you want the soffit baffles to carry air to the ridge vent. This is to keep the roof deck (underside of the shingles and plywood) to have ventilation for cooling the roof, removing moisture, and also to prevent ice damming in the winter.

  • @sarah4one

    Thats funny I thought the same thing, however if He lives in South Dacota you might want to fill the whole attic up.

  • I'm opting for the baffels only as high as the insulation on the floor and using the foil from that point up to the ridge.

  • @geekstreat Yes, I was wondering about that too. All other videos I've seen only these baffles only go as high as the insulation you put on the floor area (not all the way to the ridge vent) and that is because you want ventilation in the attic. So, my question is what is he doing???

  • Youre also not insulating the top plate. If you live in a cold climate, this WILL create lines on the finished drywall, put money on it. I guess everyone is an insulation specialist.

  • Venting all the way up will keep your roof cool, BUT you are cutting off all ventilation in the rest of the attic space! Very bad idea! Use cardboard baffles or use fiberglass batting to stuff soffits with ONE vent.

  • It's better to use a product like Attic-Foil, or some type of radiant heat barrier if you are doing this...not baffles.

  • My brother is an Insulator and he says this will get you fired. He said the same thing as the guy ,Baffles offer no R-Value.

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