Insulate Attic With Gable Vents

Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.

Insulate attic with gable vents.

The two most common options are to. Soffit vents sit underneath the eaves of the roof of a house to allow air circulation into the attic. These vents are installed in the gable ends of the home or building. Master flow gable mount attic ventilators are a great choice for exhaust ventilation.

They are the easiest power vent to install and won t detract from the appearance of your roof. Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. To install the rafter vents staple them directly to the roof decking. Focus on the other ventilation you have in the attic.

They are normally louvered vents that allow air to be drawn out of the attic space but prevent moisture from rain and snow from blowing back into the home. Rafter vents ensure the soffit vents are clear and there is a channel for outside air to move into the attic at the soffits and out through the gable or ridge vent. How to insulate an attic ceiling with no soffit vent. They must extend from the soffit or knee wall space to a ridge vent or a blocked off area at the top of the vaulted attic.

The size and shape of a gable wall depends on the structural layout of the attic but all attics have some type of gable end. When i m insulating an attic i go for an r value of at least 60. Baffles must run in every vaulted rafter space you intend to insulate. A gable wall also called a gable end more commonly refers to the entire wall including the gable and the wall.

Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. The air is then exhausted through gable. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. Install low gable vents located above the top level of the attic ceiling insulation use eye brow vents that are on the top of the sloping roof surface near the soffit eave area.

Soffit vents the narrow horizontal section on the underside of your roof eaves gable vents located on the top of the wall on either side of a peaked roof box style vents. That will help keep the house warm in the winter.