Do Attics Need Insulation At The End

Nope you absolutely do not need to ventilate a spray foam house and here s why.

Do attics need insulation at the end.

In practical terms you can choose between mineral wool or insulation boards. After confirming that your attic is air sealed you need to select insulation. There are many types to choose from including blown in cellulose batt such as fiberglass mineral wool or cotton. It s terrific because it s pretty much the same temperature as the rest of the house all the time.

How important is using baffles in attic insulation. Both can be added to uninsulated attics or layered over existing material. In particularly cold climates you might go up to r 60. This is more expensive and usually requires a contractor but it may be worth the cost especially if you live in a very cold climate.

For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. In general an attic s r value should be between r 30 and r 49. If you decide on mineral wool such as glass wool or rock wool you will need to put down a damp proof membrane.

On the other the florida solar energy center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not need powered vent fans as it turns out because the insulation slows heat from moving down into the living space homes with well insulated attics don t see a significant. With square foot living space at a premium many homeowners turn to their attics for a little extra room. Because basically now that attic is a conditioned space. I have a spray foamed attic.

While it may seem counterintuitive even well insulated attic spaces require air circulation. That means drawing air in from outside the home. If your attic has enough insulation and proper air sealing and your home still feels drafty and cold in the winter or too warm in the summer chances are you need to add insulation to the exterior walls. If you would like to use the attic for storage it is best to cover the insulation with some sort of boarding such as oriented strand board such as.