9 Insulation
Simply use a utility knife or a slicing tool to cut SmartBaffle to the size you need. Then slide it between your joists. Baffles made from thin polyfoil can be tacked or nailed down so that they remain in place while you attach the rest of your insulation. It's that simple.
There are many options for attic baffles today. Many are installed underneath the crawlspace floor or on top of the joists. Some others can be installed inside your attic. An integral insulation baffle can resist vertical airflow. It is made of expandable material, which will conform to any construction. It's very easy to cut, and then place in the appropriate location.
Baffles can prevent insulation from entering areas it isn't supposed to, such as floors or exterior walls. These areas can cause costly repairs. Insulation that is not kept in their proper place can help to ensure insulation quality and can prevent expensive repairs.