» how to block off gable vents?

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  Post subject: how to block off gable vents?
PostPosted: Sun Feb 15, 2009 1:51 am 
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What is the proper way to close off a gable vent so it doesn't short the ridge vent ventilation system? One roofer said he used ice and water? One said he used foam with plywood board.


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PostPosted: Sun Feb 15, 2009 6:20 am 
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Are you talking just blocking from attic side,if so then anything that will make it airtight.


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PostPosted: Sun Feb 15, 2009 9:14 am 
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kage wrote:
Are you talking just blocking from attic side,if so then anything that will make it airtight.
Anything?Even spaghetti?Just Kidding.had to say it...Take care


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PostPosted: Sun Feb 15, 2009 4:14 pm 
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from attic side you could use plywood,plastic,insulation and peel & stick,or what the other roofers said,a little common sense on makin it airtight.....duct tape and plastic would work.


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  Post subject: Re: how to block off gable vents?
PostPosted: Sun Feb 15, 2009 4:54 pm 
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masonv wrote:
so it doesn't short the ridge vent ventilation system?


I disagree.


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PostPosted: Sun Feb 15, 2009 5:24 pm 
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SOme say it disrupts air flow with the gable vents some say it does not. I always used a piece of plywood cut to fit and then used a high grade caulk to seal it so it does not leak any air. AIrvent states it disrupts there ridge vent, some do not even test this.

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  Post subject: Re: how to block off gable vents?
PostPosted: Sun Feb 15, 2009 5:29 pm 
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roof-lover wrote:
masonv wrote:
so it doesn't short the ridge vent ventilation system?


I disagree.


I agree I have done lots of roofs w/ridgevents leaving gable vents in,some h/o have told me there house was actually cooler in summer compared to before new roof and vents,and the roof still breathed fine thru out the year :mrgreen:


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PostPosted: Sun Feb 15, 2009 6:39 pm 
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masonv,

There is no good reason to block the gable vents.

These links have more information on attic and roof ventilation.
http://roofingcontractorreview.com/Roof ... -Myth.html

http://roofingcontractorreview.com/Roof ... ation.html

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PostPosted: Mon Feb 16, 2009 12:47 am 
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you can never have to many vents properly placed


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PostPosted: Tue Feb 17, 2009 2:07 am 
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GAF wont give the Golden Pledge warranty if the gable vents arent blocked off....


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PostPosted: Tue Feb 17, 2009 3:29 am 
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Hi mayniac,

There is nothing in the GAF GP warranty that refers to blocking off the gable vents.

http://www.gaf.com/Content/Documents/60357.pdf

Is there a requirement elsewhere that states to block off the gable vents to enable the warranty?
Can you post a link to it?

Thanks

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