Features: .<br> Application: Mini-rail for installation of trapezoidal photovoltaic panels on walkable trapezoidal metal sheet roofs with metal sheet skins.<br> Good static load distribution. This type of installation reduces the suction effect of the weight of the PV system on the outer skin of the roof covering.<br> No need to port long profile strips, adjusted to the post spacing of the profile panels.<br> Profile sections are pre-drilled and covered with sealing tape.<br> <br> Rail size: 200mm<br> Middle clip: for solar panel 30mm<br> Assembling:<br> 1. The division of the roof depends on the size of the module.<br> 2. Align the first row with chalk lines.<br> 3. Place the bracket in place, pre-drill holes with Ø 5.00 mm sheet metal and secure with 4 blind rivets. Or use a thin sheet metal screw to fix it without pre-drilling.<br> 4. Place the next row with a wooden template and after 10 rows, check the orientation again with a piece of string.<br> note:<br> The production batches are different and the colors of the accessories are random, Cannot be chosen the specific color.which does not affect the use.<br> size:<br> Material: Aluminum alloy<br> colour: silver<br> Package Contents:<br> 2 x Rails(with accessories Gasket+Screw)<br> 2 x middle clamp<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.