Amina BackboxSW345 V1.4 - Manual (Page 7)

This method positions the speaker for a large
area (approx. 1m
2 (39”)) to be skimmed over
it. This 2mm (5/64”) thick skim is then
feathered outward at the edges and blended
into the existing wall/ceiling finish.
Retrofit / pre-skimmed solid wall
Feathered skim finish
Backbox alignment required for plastering
Use shims between the back of the
BackboxSW and the inside of the cavity to
align the front edge of the BackboxSW with
the front face of the finished wall. existing render
and plaster skim
shims
For solid walls /ceilings that have already been
plastered and painted.
Alignment and plastering preparation
04