Attic Insulation above Garage

Old 01-25-05, 06:49 AM
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Attic Insulation above Garage

I currently have a 2 car attached garage, which is insulated and sheetrocked, but not heated. Above 1 bay is my master bathroom, and above the other is a separate section of attic accessed by an access panel in the garage ceiling. This section of attic is in back of 2 walls of my master bathroom. This section of attic is also separate from the main area, which is accessed from the master bedroom closet. I currently have issues with my master bath floors being cold, and during lengthly period of fairly cold weather (below freezing for several days in a row), have some issues with freezing pipes. The attic section abutting the master bath does have insulation in the floor joists, as do the bathroom walls. I have a continuous soffit vent. Any suggestions as to what can be done to prevent the freezing pipes ? The garage, while cold in winter, is still normally 20 to 25% above the outside temperature. Would adding insulation to the ceiling of the attic area help ?
Old 01-26-05, 09:39 PM
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Building Code

Modern Building and energy codes require the ceiling of a garage below a heated living space to be insulated with the same amount of insulation an attic would require for the same climate.

This means that if your local code requires an R-38 for your attic, you need the same thickness of insulation for your crawlspace ceiling or garage ceiling below a living space.

Consult your local code office on how you can achieve minimum code insulation requirements.

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