Insulated Exterior Walls And Attic Floor Now Basement Seems Colder

Blowing insulation in a wall cavity willy nilly is a sure fire way to create rot and mold issues.

Insulated exterior walls and attic floor now basement seems colder.

The crew sprayed r54 foam insulation all over the roof of the attic and onto the soffits to completely close things off. Moisture can invade a basement from two directions. Basement insulation mold busting strategy 3. With cold air inside the wall and warm air on each side in the house heat moves through the drywall which has a low r value and warms up the air in the cavity.

In most cases rolled or batt insulation will have a vapor barrier already. There s a radiator prior to coming up the stairs in the hallway on the first floor. Tariq dec 23 13 at 20 40. In most cases a basement with insulation installed on its exterior walls should be considered a conditioned space.

That means that cold attic air gets down into those cavities. However adding insulation to the walls or under the floors can be more difficult since it requires opening up the walls or flooring. Now that the house is properly sealed it is crucial to verify the attic s thermal insulation is adequate and properly installed. Even in a house with an unconditioned basement the basement is more connected to other living spaces than to the outside which makes basement wall insulation preferable to ceiling insulation.

Use carpeting some floor materials are naturally colder than. How bout adding another radiator in our bedroom i have two exterior walls and only one radiator. Some regions don t require a vapor barrier. It can travel in through masonry walls and floors in the form of liquid or vapour but it can also come from humid air inside the basement itself.

It s a weird setup in this house. Old houses often have no building wrap or the wrap is 100 year old felt or kraft paper that has begun to degrade. The insulation on the floor of your attic needs to have an approved vapor barrier installed on the warm in winter side of the insulation. Cold air rushes in on the ground floor to replace whatever is lost.

Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation. Warm spaces have less condensation risk than colder space so when you add insulation to the attic floor you re intentionally blocking some of that heat from keeping the attic warm. You can go into the attic and look down into the interior walls and see the drywall.