Underside of Metal Roof with Support Beams and Girders admin February 5, 2011 Posted in Buildings and Structures Share: TwitterFacebookPinterestLinkedin Underside of Metal Roof with Support Beams and Girders - Free High Resolution Photo - Dimensions: 2592 × 3888 Click Here to Download Full Resolution Image Free high resolution photo of the under side of a metal roof or awning. You can see the support beams and diagonal girders. This picture is free for any use.