Installing Insulation Vent Baffles
Rafter Baffles to Insulate: Rafter baffles are great at protecting your rafters, and providing insulation. There are many kinds of baffles. Some can be placed under the floor and others over the joists. SmartBaffles are durable and simple to install. The non-collapsing construction prevents material entering areas it isn't needed. It is also available in different widths for different rafter sizes.
There are many types of attic baffles on the market today. Some can be placed under your crawlspace floor or above the joists. Others can be installed in your attic. The integral insulation baffle is designed to resist vertical airflow. It's made from expandable material that will fit into almost any type of construction. It is easy to cut and place.
Next, measure your distance between the two rafters. The distance should be no less than four inches. The bottom edge of each baffle should meet at the roof rafters and ceiling joist. Once you have measured the distance you can begin installing the baffles. Align and secure baffles properly. Spray foam can be used to seal the connecting points to prevent air leakage.