Since an average attic needs 16 inches or more of insulation the insulation is always thicker than the ceiling joists or trusses.
Insulating attic for storage.
Attic floor joists are 2 4 with blown insulation which is spotty in areas meaning none.
If so don t store temperature sensitive items in your attic.
You can use rigid foam panels or do as tom silva does with nearly all houses these days.
Lastly your home s energy efficiency almost always suffers when the attic is converted for storage.
There is an air handler with one large return and 3 ceiling grills 1 in each bedroom ceiling gable end walls are clay block with stucco on exterior.
Attics are great for storage but flooring directly over the attic floor joists doesn t provide room for the recommended 12 to 16 of attic insulation needed to keep your house cool in the summer and warm in the winter.
Roof rafters are 2 6.
The temperature for attic storage if your house is insulated there s a good chance that the attic is outside of the home s thermal envelope the boundary of insulation surrounding the heated cooled living space.
In this case the area behind the knee wall will be uncomfortably hot or cold.
If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space.
The attic floor which is the ceiling of the living space below often already is insulated.
If it is and you plan to provide heating and cooling to the finished attic space you need to remove.
If you would like to use the attic for storage it is best to cover the insulation with some sort of boarding such as oriented strand board such as smartply boards.
Insulating a finished attic there are two basic ways to insulate a finished attic.
There are insulation boards on the market that have this finish.