Alton Evolution octagonal Instruction Manual page 24

Roof Assembly
Diagram 46
External
Before fixing the bottom of the roof bars,
make sure they are pulled tight into the side
glazing bar leaving no gap (diagram 46).
When in position drill vertically down in the
location shown in diagram 47. Then fix with
an 80mm screw.
Work your way around the building until all
roof bars are fixed.
X-ray
Diagram 47
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