Adding Insulation To Concrete Walls

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.

Adding insulation to concrete walls.

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. Solid walls built of brick stone concrete block log or wood plank do not have a cavity that can be insulated. Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners. The only option is to add insulation to the exterior or to the interior.

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. Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer. While concrete provides a high degree of strength and durability it offers very little natural insulation for the home. It may look easy to go buy some packs of rigid insulation panels down at the.

Between the back of the studs and the concrete wall. Adding insulation to your concrete walls improves your home s energy. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. 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.

The only type of insulation that makes sense for stone and mortar walls is closed cell spray polyurethane foam. In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it. After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box. 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.

When adding insulation to concrete applications such as foundations walls and slabs one of the more highly recommended forms is rigid foam insulation.