Pitted Polished Plaster Metallic



  • Suitable for application to internal substrates. External use is possible in sheltered locations with limited colour range.
  • Generally suitable for plastered or rendered masonry such as block, brick or concrete and to taped and skimmed boards such as Bluclad, plasterboard, GRG (glassfibre reinforced gypsum), primed MDF and previously decorated (but not papered) surfaces.
  • Not suitable for application to substrates with high water content.

Materials and number of coats:

  • Where surfaces are of uneven suction: One coat Armourcoat K40 Primer by brush or roller.
  • Where surfaces are not uniformly flat or smooth: Two coats Armourcoat K124 or K149 Keycoat (each typically 0.5 mm) applied by trowel over primer.
  • On unsealed plasterboard or gypsum plaster: One coat Armourcoat Anti Crack Skim Coat Plaster (typically 3–5 mm) applied by trowel.
  • Topcoat: Two to three coats pitted finish (approximate total 2–2.5 mm).

Allow plaster to dry for at least 24 hours under good drying conditions before application of colourwash.


Partially self-finishing, proprietary multicoat plaster system with applied metallic colourwash, non-directional open texture and partial honed surface.

Features and benefits:

  • Choice of applied metallic colours. Appearance may vary with angle of view and lighting conditions. Obtain samples to confirm effect.
  • British fire test result: Class 0 as defined in paragraph a12(B) of Approved Document B, ‘Fire Safety’, to the Building Regulations 1991.
  • BS 476-7:1997 Class 1 surface spread of flame.
  • System is water vapour permeable and is suitable as a finish for traditional plastered masonry, including historic buildings.
  • Pencil hardness to ASTM D 3363: 5H+. Surface hardness increases with age and carbonation of the material.
  • Impact resistance to ASTM D 2794: Two inch pounds.
  • Shore D hardness when tested using Elcometer 3120 Shore Durometer D: 60.
  • Wet scrub resistance exceeding 10 000 cycles to ASTM D 2486.
  • Spread of flame to ASTM E 84 - 98: Class 1.
  • Compressive strength - 28 N/mm².
  • Mould and mildew resistant. Tested to ASTM D 3273 and ASTM D 3274.
  • VOC Content to ASTM D3960: 0 g/L.

General information



Translucent, water-based colourwash finish. 


Selection of materials and number of coats determined by supplier to achieve required finish.



1.5–2 mm

Finished thickness.


Ten years

Ten year material warranty for interior applications.

Uniclass 2015

Pr_35_31_64_64 Polymer plastersPrimary


M20/220 Multicoat proprietary plaster

M20/330 Proprietary lime:sand

M60/165 Multicoloured coating

M60/18 Special coating

M60/195 Special coating

Specification data - Polymer plasters Enhanced data


L6243 W0755.

L6235 W5846.

L4180 W5689.

L4172 W5838.

L4198 W0108.

L4164 W5820.

As sample BUK.

Input reference as marked on reverse of sample.

Product Reference

Pitted Polished Plaster with colourwash

Preparatory reinforcing skimcoat

Armourcoat Anti-crack.

Applied to pre-beaded plasterboard substrates where joints are left open in the top layer by 3-4 mm.

Surface texture


As sample BUK.

Input reference as marked on reverse of sample.


As drawing.

Show dimensions, also edge, corner and shadow joint beads by main contractor.

Environmental information

Recycled content


Contains 40% pre-consumer recycled marble.

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