Pitted Polished Plaster
Proprietary multicoat plaster system.
Suitability
- Suitable for application to internal substrates, and external use is possible in sheltered locations in a limited colour range.
- Generally suitable for application to 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 on 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–three coats Pitted finish (approximate total 2–2.5 mm).
Partly self-polishing, proprietary multicoat plaster system with a non-directional open texture and a partial honed surface.
- Applied coating for higher sheen or increased protection against soiling: White wax or black wax.
- Applied coating for breathable water repellence, frost resistance, mould inhibition: Armourcoat Armoursil.
Features and benefits:
- British fire test result: Class 0 as defined in paragraph a12(B) of Approved Document B, ‘Fire Safety’, to the Building Regulations 1991.
- BS476-7:1997 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 resistance. Tested to ASTM D 3273 and ASTM D 3274.
- VOC Content to ASTM D3960: 0 g/L.
ColorWide choice of integral colours. | - |
Finish | Armoursil Water repellent. Black wax Standard sheen, partial protection, also intensifies dark colours. Colourwash L-W Insert reference. White wax Standard sheen, partial protection. Unwaxed Low sheen, unsealed. |
MaterialSelection of materials and number of coats determined by supplier to achieve required finish. | - |
Size | 1.5–2 mm Finished thickness. |
WarrantyDescription | Ten years Ten year warranty for internal applications. |
Uniclass 2015 | |
CAWS | M20/220 Multicoat proprietary plaster M20/330 Proprietary lime:sand |
Colour | PT L0253.PT L0246.PT L0238.PT L0121.PT L0113.PT L0105.PT L0220.PT L0147.PT L0139.PT L0212.PT L0162.PT L0154.PT L8165.PT L8033.PT L8090.PT L2077.PT L2200.PT L2226.PT L0204.PT L0196.PT L0022.PT L0279.PT L0261.PT L0006.PT L0170.PT L6185.PT L0188.PT L4107.PT L4065.PT L4131.PT L4123.PT L4024.PT L4115.PT L6102.PT L6052.PT L6110.PT L6078.PT L6086.PT L6144.PT L0469.PT L6284.PT L0477.Dulux Trade.Insert reference. Pantone.Insert reference. RAL.Insert reference. As sample BUK.Input reference as marked on reverse of sample. |
Product Reference | Pitted Polished Plaster |
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 standard. As sample BUK. Input reference as marked on reverse of sample. |
Location | As drawing. Show dimensions, also edge, corner and shadow joint beads by main contractor. |
Recycled content | 40 Contains 40% pre-consumer recycled marble. |