Converting screened deck porch to a sunroom


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Old 03-25-14, 12:54 PM
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Converting screened deck porch to a sunroom

We have had several contractors talk with us. Only one has said that we should drop the existing "cathedral" porch ceiling (~8-12 inches) in order to insulate. That makes a lot of sense, but other contractors said probably not necessary. We live in Central Alabama, so most of our year is warm/hot. A majority of the glass will be quality reflective and facing North. the floor will be adequately insulated and there will be a PTAC for heating/cooling. Still, the thought of direct sun on an asphalt shingled roof (not insulated) causes me concerns. Thoughts?

-Michael S. Miller
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Old 03-25-14, 01:43 PM
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Welcome to the forums. Unless you are in love with the cathedral ceilings, I would make a consideration for insulation. Remember, you have a porch, now. Making it into a viable room will require insulation all around.
 
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Old 03-25-14, 09:01 PM
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Cathedral ceilings look cool but there a nightmare when it come to heating and cooling.
Seems like no one takes the time and money to use wider rafters so there's room for insulation and baffles for air flow to a ridge vent. Also need overhangs and soffit vents.
Another way is to have it spray foamed. Not cheap but well worth it.
Using light colored shingles in your area is the way to go.
 
 

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