Spray Foam Insulation In Existing Walls
For existing walls the most common types of insulation are loose fill or blow in insulation and spray foam insulation.
Spray foam insulation in existing walls. Concerns with finished walls. While this same material can be used for walls it s usually for new construction when the wall cavity is exposed before drywall is put in place. Some spray foam products expand very quickly to as much as 100 times the volume of. The installation process is similar for both types.
Helps reduce the amount of pollen and allergens that get into walls. A cavity wall consists of 2 layers of wall separated by a cavity between them. The insulation is inserted into your home s existing external walls from the inside via small holes which are later patched. Let s take a look at each type.
Cavity wall insulation consists of filling the spaces between the cavities with some porous material so that the movement of air is blocked. Typically this is a fairly expensive process that costs anywhere from 50 to 300 more than a standard dense pack cellulose or fiberglass cavity wall fill job. Spray foam insulation products are polymer compounds that are applied in liquid form. The foam seals up areas other insulation doesn t cover preventing air and water seepage.
One improvement that was made to the house was retrofit spray foam insulation in the walls. Retrofoam of michigan has installed spray foam insulation in existing walls for thousands of homeowners across the state for more than 17 years and our team know that using injection foam is a convenient way to insulate walls without removing drywall or make a huge mess. Open cell spray foam in particular works really well when it comes to noise reduction.