Cold Bathroom Floor Over Garage

Inspect the ceilings of the adjoining rooms.

Cold bathroom floor over garage.

The underlay is a good thickness and the carpet is 80 wool hessian backed. Energy saver explains that this practice is usually ineffective because the continuous flow of cold air goes through and around the insulation and comes directly in contact with the bottom of the floor to make matters worse over time gravity pulls the fiberglass insulation away from the underside of the floor increasing its exposure to cold air. Air sealing insulation and ductwork builders rarely insulate the floor above a garage. A lot of bedrooms over garages have both of these problems.

However the issue is mainly caused by the home s roofline. Go upstairs and inspect the bonus room for similar issues except in the floor. You are looking for recessed light fixtures or any penetrations that may communicate with your garage ceiling. Rugs carpeting and draperies are soft furnishings that help a room feel warmer and more comfortable.

Those issues must be addressed before you introduce any insulation. If the insulation is not dense enough this does contribute to the problem. I have a room above a garage and it is cold. When you walk on the floor the floor is cold.

Why rooms over the garage are cold most people assume that a lack of insulation between the floor and the garage below is the reason a room over the garage is colder than the rest of the house during the winter. And in homes with attic knee walls i e. Your attic is on the other side of the bedroom wall inadequate thermal treatment and air leaks can wreak serious havoc on comfort. Cover the garage floor with plastic sheeting.