Retrofit / pre-skimmed surfaces, Patch plastered finish, Retrofit drywall – Amina AIW750i User Manual

Page 20: Patch plaster finish, Alignment and plastering preparation

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Retrofit drywall

Patch plastered finish

For new drywall walls /ceilings that will be taped
and jointed.
(typically in North America but becoming
common elsewhere)

Speaker alignment required for plastering

Using shims if required, the front face of the
speaker should be located 2mm (5/64”) behind
the face of the wall/ceiling.

To patch plaster:
Apply a 2mm skim across the speaker front
and blend with the drywall.
Amina recommend British Gypsum Easi-fill®
which allows a smooth accurate finish using
fine sandpaper or a wet sponge.

16

Retrofit drywall

Patch plaster finish

1 6

Speaker alignment required for plastering

Using shims if required, the front face of the
speaker should be located 2mm (5/64”)
behind the face of the wall/ceiling.

raw drywall
surface

shims (if required)

remove a section
of drywall around
the cutout
30-50mm
2”

For drywall walls /ceilings that will be taped
and joined.
(typically in North America but becoming
common elsewhere)

4

To patch plaster:
Apply a 2mm skim across the speaker front
and blend with the drywall.
Amina recommend British Gypsum Easi-fill®
which allows a smooth accurate finish using
fine sandpaper or a wet sponge.

Continue to section

C

B4

Retrofit / pre-skimmed surfaces

Patch plastered finish

Alignment and plastering preparation

1 3

Speaker alignment required for plastering

After removing a 30-50mm (3/16 - 2”) wide
section of existing finishing plaster
surrounding the cutout, the front face of the
speaker should be flush with the paper face
of the plasterboard or render.

To patch plaster:
Skim across the speaker front and blend with
the existing finished plaster.
Amina recommend British Gypsum Easi-fill®
which allows a smooth accurate finish using
fine sandpaper or a wet sponge.

For walls /ceilings that have already been
plaster finished.

sand down to
create taper

existing plaster

remove existing
plaster from
plasterboard
around perimeter
of hole

1

30-50mm
(2”)

shims

Continue to section

plasterboard
stud wall or
ceiling

solid wall

plasterboard

render

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