ویدیوی رایگان Low-Income Weatherization B-Roll را تماشا کنید

This free, downloadable B-roll footage from the U.S. Department of Energy’s Office of Energy Efficiency and Renewable Energy (EERE) is for use by news media and education organizations. This high-resolution video features house weatherization B-roll in Wheatridge, Colorado, including clips of blown insulation, blowing cellulosic insulation into an attic, preparing a room for blown insulation, drilling holes and blowing insulation into wall cavity, and insulating sub-floor in a basement.