Feathered skim finish, Retrofit / pre-skimmed surfaces, Full wet skim finish – Amina AIW750i User Manual
Page 19

Retrofit / pre-skimmed surfaces
Full wet skim finish
For walls /ceilings that have already been plaster 
finished.
Speaker alignment required for plastering
Using a 2-3mm shim set (contact your Amina
supplier) applied between the back of the
speaker and the mounting surface of the
backbox (or fixing blocks), the front face of
the speaker should be flush with the front
face of the existing painted/plastered
wall/ceiling.
To full wet skim finish:
The speaker will be skim coated along with
the rest of the wall or ceiling.
15
Retrofit / pre-skimmed surfaces
Full wet skim finish
1 5
To full wet skim finish:
The speaker will be skim coated along with 
the rest of the wall or ceiling.
For walls /ceilings that have already been 
plaster finished.
3
existing plaster
shim
existing render
existing plaster
plasterboard
speaker face
flush with 
existing plaster
Speaker alignment required for plastering
Using a 2-3mm shim set (contact your Amina 
supplier) applied between the back of the 
speaker and the mounting surface of the 
backbox (or fixing blocks), the front face of 
the speaker should be flush with the front 
face of the existing painted/plastered 
wall/ceiling.
Continue to section
plasterboard
stud wall or
ceiling
solid wall
Continue to section
C
B3
Retrofit / pre-skimmed surfaces
Feathered skim finish
1 4
Speaker alignment required for plastering
Using a 2-3mm shim set (contact your Amina 
supplier) applied between the back of the 
speaker and the mounting surface of the 
backbox (or fixing blocks), the front face of 
the speaker should be flush with the front 
face of the existing painted/plastered 
wall/ceiling.
To feather finish:
Allow a much larger area around the speaker 
(approx. 1m
2
(39”)) to be skimmed. This
1-2mm (5/64”) thick skim is then feathered 
outward at the edges and blended into the 
existing wall/ceiling finish. 
Amina recommend British Gypsum Easi-fill®. 
existing plaster
shim
existing render
plasterboard
speaker face
flush with 
existing plaster
existing plaster
For walls /ceilings that have already been 
plaster finished.
2
Continue to section
plasterboard
stud wall or
ceiling
solid wall
