Converting Attic To Conditioned Space
From my research it looks like the best option is to make the attic a conditioned nonvented space.
Converting attic to conditioned space. Converting unconditioned garage to conditioned space code notes 2009 iecc requirements converting an existing unconditioned garage to conditioned space is a popular strategy for increasing the living space of a house. Making the attic a conditioned space taking the building envelope to the roof is a good approach and will save energy another approach is to use radiant coated deck sheathing seal all ceiling attic penetrations and blow in r 60 insulation as it will cost less than spray foam and should give at least the same energy efficiency to the home. If you planned to leave the open cell foam exposed to the attic it would certainly. Currently the attic is vented and has zero insulation anywhere.
The attic is fairly small at about 1 000 sqf total. With full home additions costing 75 000 minimum and usually far higher many homeowners search for creative ways to increase living space without overly decreasing their bank account. R 30 blown insulation at ceiling floor. However you do not describe the potential uses for that space and that gives me pause as to how to properly evaluate the risks of your options.
Typically the conversion or. Your stated goal is to turn your attic into a non vented conditioned space. R 30 in ceiling attic floor assembly. Looking for a way to expand your home s square footage without building an entire new addition.