DA 60-820
Technical User Guide
23
3.11 Mounting in the attic
3.11.1 Mounting the anchorage
850 mm
850 mm
ø832 mm
Insulation
Wooden
frame
Joist
Mount a wooden frame in the ceiling around the hole in
which the anchorage can be attached.
Mark up and drill 2 holes for each of the 4 anchorages
with a 6.2 mm drill.
Mount the 4 anchorages on the duct with 8 bolts M6x25,
washers and screws.
Mount the anchorages on the wooden frame.