HQ mount no penetration easy install solar ballasted roof mounting systems ballasted mount flat roof solar mounting bracket Ballast mounting system with great flexibility and lower cost, ballast mount can be used for both commercial and civil flat roof solar system. Material Al 6005-T5/AL 6063/AL available Surface Anodized,Black Electrophoresis Installation site Flat solar roof top mounting system Certification ISO,SGS,Aluminum testing report Installation direction Horizontal/Vertical Applicable panels All kinds of panels