Adding Insulation To Exterior Walls

Before switching to spray foam insulation tom used to use polyisocyanurate panels that way he would build a 2x4 wall insulate between the studs with batting paper face removed then cover the whole thing with foil faced panels and seal them with foil tape before putting up wall board.

Adding insulation to exterior walls.

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. Unfortunately however builders didn t insulate the walls of most homes built before the 1980s. John hartman fine homebuilding magazine 208. Correcting this can pose a challenge as it is often difficult to determine how much insulation is in the walls let alone gain the access needed to add more.

Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners. It may look easy to go buy some packs of rigid insulation panels down at the. Fiberglass is a great way to insulate an existing wall. When properly constructed it provides a tight dry warm and durable structure.

How to insulate house walls from the outside. Measure and cut the fiberglass batt for an exact fit. In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it. Don t worry there is a way.

With a small hole and a pump you can insulate your existing walls with minimum fuss. A question about replacing siding sheathing and batt insulation in a 50 year old house revives questions about the use of rigid foam insulation on exterior walls. Add about 1 4 in. Adding exterior rigid foam.

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. Every gap and compressed batt leaves a path for heat or cold to escape. 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.

Insulation in house exterior walls is one of the primary defenses against heat and energy loss. To the measurement to ensure a snug fit. It s easy to insulate your walls with fiberglass insulation at least when they re open but the job still requires attention to detail to get the maximum benefit. In this post we explain.