Attic Baffles How Many

Basic functions of baffles baffles are chutes that when installed properly can provide a channel for air to flow from your exterior soffit vents up into your attic space.

Attic baffles how many.

Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Attic baffles how they work. How much vent space do you have. The first step in determining how many rafter vents your home needs is to determine your home s vent space in square feet.

The outside edge of the baffle should be parallel to the exterior wall sheathing. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. Calculate how many rafter vents you need. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect.

Of total vent space needed. You ll need to crawl to the end of the eave and staple the baffle against the roof deck. A 50 x 30 attic would have a total area of 1 500 sq. Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation.

Call us today for a free inspection at attic insulation toronto 647 931 6385. The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. Measure the length and width of the house in feet. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.

Moreover they provide clear and efficient air circulation which will keep your attic moisture and mildew free. Baffles provide a channel for air to flow through certain parts of the attic. Multiply those two numbers and then divide by 150 to get the vent space square footage. Multiply the length of the attic times the width in feet to find the attic area then divide by 150 to find the total square feet of vent space needed.

An attic baffle is simply an item to regulate the flow of air aka required roof venting and impede it the insulation from interfering with each other. Length x width of attic in feet 150 total sq. Staple each side to the roof deck spaced about every 4 inches. Install attic baffles if the attic doesn t have attic baffles let s install them.

That airflow is intended to churn the stale air in. Calculate the total vent area needed.