Insulation in house exterior walls is one of the primary defenses against heat and energy loss.
Adding insulation to walls in existing homes.
While fiberglass often comes in batts it does come in loose fill form as well making it easy to install without tearing open any walls.
In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it.
It may look easy to go buy some packs of rigid insulation panels down at the.
With a small hole and a pump you can insulate your existing walls with minimum fuss.
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.
Unless your home was specially constructed for energy efficiency you can probably reduce your energy bills by adding more insulation.
Unfortunately however builders didn t insulate the walls of most homes built before the 1980s.
How to insulate house walls from the outside.
Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer.
So if your house was built before insulating walls became standard you can potentially save a great deal of energy by insulating.
Many older homes have less insulation than homes built today but even adding insulation to a newer home can pay for itself within a few years.
You can also add insulation to existing walls without removing drywall by cutting holes in the exterior siding.