Cold Bathroom Floor Over Garage

A lot of bedrooms over garages have both of these problems.

Cold bathroom floor over garage.

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. Inspect the ceilings of the adjoining rooms. In most cases the builders install fiberglass rolls of insulation in the cavity under the floor while constructing the house and dr. Rugs carpeting and draperies are soft furnishings that help a room feel warmer and more comfortable.

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. 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. Go upstairs and inspect the bonus room for similar issues except in the floor.

The walls are cavity wool insulated and the above the ceiling i have 100mm of insulation overlaid by chipboard as a storage loft. When you walk on the floor the floor is cold. You are looking for recessed light fixtures or any penetrations that may communicate with your garage ceiling. Air sealing insulation and ductwork builders rarely insulate the floor above a garage.

If the insulation is not dense enough this does contribute to the problem. Wall to wall carpeting is installed with a thick pad underneath which is another layer between. Cover the garage floor with plastic sheeting. The underlay is a good thickness and the carpet is 80 wool hessian backed.