Rigid foam can be adhered to a poured concrete or concrete block wall with foam compatible adhesive or with special plastic fasteners such as hilti idps or rodenhouse plasti grip pmfs.
Adding insulation to concrete block 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.
It may look easy to go buy some packs of rigid insulation panels down at the.
While these are the options again the material available to use depends on whether the walls will be covered or the open top is exposed like in a remodel or new build.
Concrete block makes a cost effective and structurally sound wall but it has.
Your walls in their present state have an r rating of about 3.
In your climate zone zone 5 code requires you to insulate concrete block and other mass walls to at least r 13 if all of the insulation is on the exterior.
A wall s thermal resistance or its r value is its ability to slow the transfer of heat from one side to the other.
Foam board insulation is easy to use and is a great diy way to add some insulation.
X 3 in or even 50 mm x 89 mm 2 in x 4.
According to the international energy conservation code iecc for your area mass walls ones made of thick block brick stone or adobe should be at least r 10.
Some types of thicker foam board insulation are available but they may need to be special ordered.
Adding insulation to basement walls.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation.
How to insulate house walls from the outside.
Available in large three by five or four by eight sizes the panels.
Better yet reduce thermal bridging by upgrading the stud cavity and adding 50 mm x 50 mm 2 in.
Adding 2 inch thick insofast panels will bring your walls to r 13 30 percent more than the iecc minimum.
Remove the existing wall board or plaster from a wood frame wall add or upgrade the existing wall cavity insulation and then install the vapour barrier new drywall and finish.
To prevent interior air from reaching the cold concrete seal the perimeter of each piece of rigid foam with adhesive.
X 2 in 50 mm x 76 mm 2 in.