Building Garage Attic


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Old 08-24-04, 09:19 PM
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Building Garage Attic

Hi,

I'm trying to enclose a section of the attic in my garage for storage. Currently the garage is unfinished and the trusses are in full view. I have already reinforced the trusses to support the additional weight. I would like to enclose the attic to prevent all the dirt and bugs that end up in the garage from getting up in the attic. If put sheetrock up on the ceiling rafters can I put insulation behind the sheet rock? I live in Southern California and I don't want everything I put in there to bake, but I have also read about baffles and I'm wondering if I going to create problems with my roof if there is not an air channel behind the sheet rock. I only soffit vents, so putting baffles in would only allow the air to flow, but not vent since I don't have ridge vents ( and I don't want to go to the expense of adding them.) Also, it already pretty cramped up there now so adding to the height of the ceiling rafters wouldn't be an option because the space would then be too small. Any advice would be appreciated
 
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Old 08-25-04, 05:50 PM
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Old 08-26-04, 10:33 AM
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No, the garage is a rafter-frame roof with a center support
 
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Old 08-26-04, 02:12 PM
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Ok, you don't have a "truss" framed roof structure in the garage and it appears that you have a conventional framed roof structure, with a center beam, supporting a framed joist system which is attached on either side of the beam with joist hangers and you have hung drywall as a ceiling for the garage.
Vermin control will be an effort in futility. you'll be far better advised in the liberal application mothballs and Borax and other household remedy's.
While insulating the rafter bays will help lessen the affect of re radiated heat from the roofing, placing a gable vent fan that's thermostatically controlled, will do far more to lower the heat in the attic. You will also have to provide screened openings for inlet air.
 
 

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