Note
Correct and precise layout is the best prerequisite for quick and neat installation.
To help with the installation of the PREFA rhomboid roof tiles 29 × 29, it is advisable to create a grid of vertical lines at a distance of 450 mm (the markings in the starter strip can be used as a guide). In order to keep the dimension exact in each row, half of the layout dimension can also be marked and checked at regular intervals if necessary. Align the starting plates with the notches (on the top edge of the starting plates) on the vertical lines (see figure below). It should be noted that the area for the lateral upstand (e.g. verge formation) is not in the centre of the rhomboid roof tiles 29 × 29 (observe symmetry/middle of the roof).
1 Area of theabutment |
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