Alton Evolution Octagonal 9x9 Instruction Manual page 24

Lantern Assembly
With both lantern gables assembled you can join
them together with the (EV1087) cills, eaves (EV1098)
and ridge (EV1090) .
The cill and eaves are both fixed through the gable
ends with eight 80mm CSK screws. Diagrams 54 and
55 show the optimum positions for the pilot holes,
note these screw heads will also be visible externally.
The ridge is fixed to the gable bars with 50mm CSK
screws (diagram 56), pilot drill first.
Diagram 53
Diagram 55
9
Dia. 56
Dia. 55
Diagram 54
Dia. 54
Diagram 56
External
24
External
External