You can use rigid foam panels or do as tom silva does with nearly all houses these days.
Insulation between living area and attic.
If it is and you plan to provide heating and cooling to the finished attic space you need to remove.
The attic floor which is the ceiling of the living space below often already is insulated.
It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.
So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.
If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor.
They are the easiest to insulate because the insulation is installed between the framing members or joints of the floor according to the university of tennessee extension.
Option 1 300mm 12 the ceiling level insulation between and over the joists.
1a attic access door 2.
I live in the sacramento valley area which gets very hot and dry in the summer doesn t get to cold in winter but foggy damp days in the 30 3 and 40 s.
So i am not sure which way to install the new insulation.
If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
R value is a measure of insulation s ability to resist heat traveling through it.
This is the required option for both living non living area within the attic this will stop heat escaping through your ceiling and is one of the first things done before installing flooring within your attic.
In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below.
In practical terms you can choose between mineral wool or insulation boards.
Any holes in the garage s walls or ceiling must be properly covered sealed and plastered off.
An unfinished attic is an attic that is not considered part of the living space.
The shower has two outside walls.
How to insulate living space above a garage.
Insulating the attic floor if you do not use the attic much it is pointless heating this area.
You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.
The higher the r value the better the thermal performance of the insulation.
Hire a pro to install spray foam insulation.
I have install new insulation becasue of a valve leak got the old stuff wet.