All factory roof and all empty factory floor. the project was finished on may, 2016. this is only show a parts of project on roof top. *Wind speed: 60m/s *Snow load: NA *Materials: aluminum 6005-T5/6063-T5 METAL ROOF SOLAR MOUNTS Our wide variety of attachment makes easy work of any metal roof installation. With few components and single penetration into wood truss, the Metal Roof Mount Kit allows for fast installation. We also have three dual penetration mount options for m