assembly Instructions
The first step is to clean the roof of moss and dirt. It is best to use a conventional street broom.
The points of the holes on the roof must then be marked. Depending on whether you can see the rafters from the inside or not, this can be the most tedious part. It is best to mark them with a Chalk line, with chalk and one professional chalk marker. As a tip, I can recommend opening the roof ridge. I have one for this YouTube video turned, maybe it will help you.
The drilling points should be done directly above the transverse roof batten. Where the roof battens run You can recognize them by the nail points on the Eternit plates.
Graphic: © baulinks.de 2014
After marking, drilling can begin. The Eternit panels themselves come with a big drill drilled through so that the hanger bolt does not touch the roof panels on the side. It is recommended to drill 5mm larger than the hanger bolt diameter. The EPDM (cellular rubber) seal should definitely rest on the Eternit plate. The wooden rafter itself is then pre-drilled with a smaller drill, depending on the hanger screw diameter.
The 50 mm EPDM cellular rubber seal must be glued to the back of the sheet metal by the customer. Unfortunately, it is not possible to glue them in the factory because the seal is crushed when the solar panels are shipped.
The solar panels can then be inserted from below. See the photo above again. Sometimes the sheet metal cannot be pushed in completely. Nail spots on the upper plates rarely get in the way. The solar panel then belongs like this Video shown with one Angle grinder shortened.
Please note that it will happen that not every sheet will lie fully on the roof. It can be a few millimeters away from the roof. That doesn't matter. It is important that the sealing ring is in place. If the distance is too large, press the sheet metal briefly by hand.
The final step is to screw in the hanger bolt and tighten the nut with the rubber seal. The hanger bolt comes with a ratchet or strong drill screwed in. The rubber seal should not be screwed on too tightly. According to the manufacturer, the EPDM (cellular rubber) seal should be pressed in approx. 1/3.
Note: I assume no liability for the timeliness, accuracy or completeness of the information.
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