Insulate Attic With Gable Vents

To install the rafter vents staple them directly to the roof decking.

Insulate attic with gable vents.

A gable wall also called a gable end more commonly refers to the entire wall including the gable and the wall. When i m insulating an attic i go for an r value of at least 60. 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. 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.

Rafter vents come in 4 foot lengths and 14 1 2 and 22 1 2 inch widths for different rafter spacings. That will help keep the house warm in the winter. Soffit vents sit underneath the eaves of the roof of a house to allow air circulation into the attic. 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.

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. 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. They are the easiest power vent to install and won t detract from the appearance of your roof. 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.

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. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. 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. Master flow gable mount attic ventilators are a great choice for exhaust ventilation.

The air is then exhausted through gable. These specialty vents do not affect the. Focus on the other ventilation you have in the attic. These vents are installed in the gable ends of the home or building.

Baffles must run in every vaulted rafter space you intend to insulate. The two most common options are to.