Many may be surprised to learn that most plywood ceiling structures do not have a base level of insulation that was installed when the room was built. Instead, they may have light layers of foam ...

Insulation contractors Jim and John Case show Bob how to insulate the cathedral ceiling. To ensure airflow and prevent condensation buildup, channels are install between each rafter. Dense ...

The contractor said he will insulate that ceiling, right up to a flat ceiling above, about 8 feet. That is good, but he must install proper vents (Styrofoam “chutes” between rafters first to allow an ...