Insulate Attic With Gable Vents

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.

Insulate attic with gable vents.

A gable is the triangular portion of the wall in an attic that is between the edges of a sloping roof. Master flow gable mount attic ventilators are a great choice for exhaust ventilation. To install the rafter vents staple them directly to the roof decking. When i m insulating an attic i go for an r value of at least 60.

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. These vents are installed in the gable ends of the home or building. The air is then exhausted through gable. They remove the greatest volume of hot and or humid air from your attic saving you more in heating and cooling costs than any other type of ventilation.

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. 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. Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. The two most common options are to.

They are the easiest power vent to install and won t detract from the appearance of your roof. 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. These specialty vents do not affect the. Baffles must run in every vaulted rafter space you intend to insulate.

That will help keep the house warm in the winter. 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. 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. 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.

How to insulate an attic ceiling with no soffit vent. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.