Insulate Rafters Or Floor

Your rafters are insulated.

Insulate rafters or floor.

For example if the space beneath the rafters is going to be used for a living area then you will need to insulate the roof rafters. Although there are many different circumstances that may call for insulating roof rafters the means to determine the necessity for insulating rafters remains the same. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. Should this occur repair it with duct tape.

Installing roll insulation in ceiling of basement which is under floors of living space my basement is heated but a smaller amount than up in living space usually 66 68 upstairs and 58 60 at the same time in basement my question is about the kraft paper facing i think it should face the basement because of any moisture in basement. Now there s only one area to go. Insulation also helps to preserve the air quality and reduce energy costs. As you staple the vapor barrier to the rafters draw it as airtight as possible but be careful not to puncture the plastic unnecessarily as you put it in place.

You can insulate second floor rim joists following the same steps shown here if you happen to tear out a ceiling during remodeling. There are two types of crawl spaces ventilated and unventilated and each requires its own form of insulation. When the basement or crawl space has vents installed insulating joist bays. Without insulation heat and cool air are easily lost through the floor.

If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. With the floor gone you ll have to find a spot elsewhere for stashing those off season clothes and that holiday decor. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Learn how to insulate your attic floor in part 8.

Rigid foam is the best insulation for rim joists. To enclose the space in a thermal envelope. Joist bays the open spaces between floor joists are prime hosts for insulation under specific circumstances. The goal however is the same.