Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer.
Adding insulation to concrete walls.
When adding insulation to concrete applications such as foundations walls and slabs one of the more highly recommended forms is rigid foam insulation.
Between the back of the studs and the concrete wall.
How to insulate house walls from the outside.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
While concrete provides a high degree of strength and durability it offers very little natural insulation for the home.
The only type of insulation that makes sense for stone and mortar walls is closed cell spray polyurethane foam.
Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level.
It may look easy to go buy some packs of rigid insulation panels down at the.
One advantage to the novice who has neither the equipment the tools nor experience to install foam insulation is that rigid foam insulation can be installed very simply.
When insulating concrete basement walls a good idea because concrete basement walls are often cold use rigid foam board insulation if the insulation will come into direct contact with the.
The only option is to add insulation to the exterior or to the interior.
Adding insulation to your concrete walls improves your home s energy.
If you plan to insulate your basement walls with spray foam the best approach is to frame your 2 4 walls before the foam is sprayed leaving a gap of 1 1 2 in.
Now as you glue the panels to the exposed concrete blocks leave a inch gap at the floor and ceiling and cut holes in the panels to fit around outlets and wall switches.
Solid walls built of brick stone concrete block log or wood plank do not have a cavity that can be insulated.
After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box.
Many solid walls including double brick walls see figure 7 1 have a small cavity generally less than 25 mm 1 in which is a drainage plane that.