Attic Baffles How Many

The outside edge of the baffle should be parallel to the exterior wall sheathing.

Attic baffles how many.

Baffles provide a channel for air to flow through certain parts of the attic. Moreover they provide clear and efficient air circulation which will keep your attic moisture and mildew free. You ll need to crawl to the end of the eave and staple the baffle against the roof deck. Putting baffles in your attic is a crucial step in installing attic insulation.

Call us today for a free inspection at attic insulation toronto 647 931 6385. The first step in determining how many rafter vents your home needs is to determine your home s vent space in square feet. Baffles are a critical component to our attic insulation process that provides multiple benefits to a difficult construction aspect. Multiply those two numbers and then divide by 150 to get the vent space square footage.

Complete coverage of the attic floor along with sealing air leaks will ensure you get the best performance from your insulation. It is a fairly easy process that will make a world of difference in assisting your insulation and keeping your home protected from rot which can save you a substantial amount of money down. Attic baffles how they work. Of total vent space needed.

The picture below courtesy of the epa indoor airplus program which we provide builder verification services for helps show how the system works. Calculate the total vent area 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. 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.

A 50 x 30 attic would have a total area of 1 500 sq. Calculate how many rafter vents you need. 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. Ft divided by 150 equals 10 sq.

Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. How much vent space do you have. Install attic baffles if the attic doesn t have attic baffles let s install them. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.

Staple each side to the roof deck spaced about every 4 inches. Measure the length and width of the house in feet.