5.2 Determining and measuring position solar panels
When determining the position of the solar panels on the steel roof, it is important to take into account the angle under
which the sunlight falls on the roof during the whole day and during the whole year. Place the panels on an area which has
no shadow whatsoever. Shadows created by chimneys, dormers, trees and nearby buildings have a negative effect on the
yield of the panels.
Measuring and marking
For placing the solar panel (in the portrait placement) you need approximately 160x80 cm or 160x100 cm or 200x100 cm
per panel (depending on the type of solar panel).
Make sure to keep out of the edge zone of the roof. Please take in mind the edge zones as described in DTI GUIDE 2nd
addition with a minimum of 30cm.
Mark the contours of the panel field on the steel plates with chalk or a marker. Draw the lines where the mounting rails will
be positioned (on ¼ of the panel’s upper edge and the panel’s under edge). Then mark where the mounting brackets will
have to be placed, which is on the edges of the mounting rail at most 30 cm from each other and further at most 120 cm
from each other (See calculator for distance between the mounting brackets and maximum allowable wind load).
06
Rev. 20.01.14
ASSEMBLY MANUAL FOR STEEL ROOFS
5.3 Cleaning the roof
Clean the steel roof plates with a brush.
Remove mould, moss, etc., to minimize surface irregularity during the installation!
min. 30 cm
min. 30 cm
min. 30 cm
min. 30 cm
