Install Attic Baffles Vent Chutes

Rafter vent with built in baffle helps keep air moving in your attic.

Install attic baffles vent chutes.

Baffles provide a channel for air to flow through certain parts of the attic. Install attic baffles if the attic doesn t have attic baffles let s install them. Attic vent chutes are very useful for attic ventilation improvement in attics filled with a blown in type insulation. Putting baffles in your attic is a crucial step in installing attic insulation.

The ado products durovent 23 1 2 in. Sometimes called rafter vents baffles provide ventilation and keep the insulation from blocking airflow through your attic. Typically made from polyvinyl. Each carton contains 10 vents.

First insulation chute installed. I used small cut pieces of 2 4 six per osb sheet as a screwing base visible in the photo below to install each insulation chute screwing the blocks first to the roof trusses then after putting the osb into place screwing through the osb and into the bottom of each 2 4. You ll need to crawl to the end of the eave and staple the baffle against the roof deck. To completely cover your attic floor with insulation out to the eaves you need to install rafter vents also called insulation baffles.

Without this air movement any moisture that gets into the attic area becomes stagnant and causes mold and mildew to develop. Installing rafter vents between the rafters along the soffit on the. Attach this roof and attic insulation treatment using foam baffles to ventilate insulate and channel cold and hot air to roof vents before insulation is add. The outside edge of the baffle should be parallel to the exterior wall sheathing.

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. The ventilation system features polystyrene construction which is lightweight and moisture resistant and the integrated baffle means that you need no blocking material between the vent and the top. Baffles are also called wind baffles venting chutes rafter vents or insulation baffles. Attic vent chutes can be also installed by sliding them between the insulation and the roof decking which might be hard in some cases because of the roofing nails sticking out of the decking low clearance and insulation of course.