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.
Foam board insulation is easy to use and is a great diy way to add some insulation.
Adding insulation to basement walls.
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.
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.
To prevent interior air from reaching the cold concrete seal the perimeter of each piece of rigid foam with adhesive.
Some types of thicker foam board insulation are available but they may need to be special ordered.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
It may look easy to go buy some packs of rigid insulation panels down at the.
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.
X 2 in 50 mm x 76 mm 2 in.
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.
The simplest and most affordable method of insulating the interior of a block wall is to install rigid foam board insulation.
A wall s thermal resistance or its r value is its ability to slow the transfer of heat from one side to the other.
X 3 in or even 50 mm x 89 mm 2 in x 4.
How to insulate house walls from the outside.
Adding 2 inch thick insofast panels will bring your walls to r 13 30 percent more than the iecc minimum.
Your walls in their present state have an r rating of about 3.
This can be done with pretty much any rigid insulation.
The option for insulating concrete block walls includes spray foam insulation injection foam insulation polystyrene beads foam boards and loose fill masonry insulation.
Before insulating coat the exterior of the walls with fluid applied water control and air control layers.
Concrete block makes a cost effective and structurally sound wall but it has.