Adding Insulation To Exterior Walls

In this post we explain.

Adding insulation to exterior walls.

Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer. It may look easy to go buy some packs of rigid insulation panels down at the. So if your house was built before insulating walls became standard you can potentially save a great deal of energy by insulating. In some cases the cost of adding insulation may exceed the cost of energy needed to heat or cool it.

Adding a layer of rigid foam to the walls of any building is somewhat labor intensive. Measure and cut the fiberglass batt for an exact fit. Adding exterior rigid foam. 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.

John hartman fine homebuilding magazine 208. Every gap and compressed batt leaves a path for heat or cold to escape. Add about 1 4 in. To the measurement to ensure a snug fit.

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. 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. When properly constructed it provides a tight dry warm and durable structure. Insulation in house exterior walls is one of the primary defenses against heat and energy loss.

Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners. How to insulate house walls from the outside. Don t worry there is a way. Fiberglass is a great way to insulate an existing wall.

Many older homes and some newer ones lack sufficient insulation in the exterior 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. Unfortunately however builders didn t insulate the walls of most homes built before the 1980s. With a small hole and a pump you can insulate your existing walls with minimum fuss.