Smooth & Tonal Finishes
A premixed, pre-pigmented interior wall & ceiling plaster, ready to mix with water apply and with traditional plastering skills and tools. 100% natural: all compostable.
25Kg bags of dried plaster. Recyclable or compostable bags.
7-8 square meters per bag with 2 x 1mm layers. Total 2mm thick.
4. OTHER ESSENTIALS
Clayworks Wall Primer & Clayworks Glaze (supplied by Clayworks with all clay orders plaster for additional cost).
We strongly recommend application by an approved Clayworks plasterer. Where not possible, follow our application guidelines.
88 Standard colours. Custom colours available on request. UV Resistant. Through pigmented.
Unique blends of unfired clays mixed with natural minerals and pigments.
Most commonly applied directly onto gypsum plasterboard, masonry, blockwork, wood fibre board & wood wool carrier board. Can be applied directly onto Gypsum backing board suitably primed. Other substrates may require a backing coat. For details please also see our separate data sheet Clayworks Design Details.
Cannot be applied directly onto wood, including plywood, MDF or OSB.
9. RESTRICTIONS ON USE
Suitable for interior walls and ceilings and fixed furniture. Appropriate for bathrooms, but not wet or shower areas. We advise against use on items that will be moved around or doors. Not suitable for floors. Clayworks supply interior waterproof finishes and exterior grade finishes where a seamless match is required.
10. COUNTRY OF ORIGIN
UK. Manufactured in Cornwall.
10. Fire: BS 476: Part 7: 1997 Surface spread of flame: achieved Class 1.
BS 476: Part 6: 1989 + A1: 2009 Fire propagation test: fire propagation index I = 0.5, i1 = 0.0
The results confirm that the plasters fulfil the following: UK Building Regulations: Class 0
Class 0 is defined as: BS 476-7 Surface spread of flame Class 1, and BS 476-6 Fire propagation index test (I < 12, i1 < 6)
12. HEALTH & SAFETY
As a powdered product a dust mask should always be worn when handling the product. Non caustic.
Noise reduction coefficient (NRC): 0.10 NRC. Sound absorption coefficient: 0.090N
100% natural, Zero VOCs, formaldehydes, polymers or oils. Absorbs toxins, regulates humidity. No off-gassing.
Can be wiped clean with a non-toxic cleaner when glazed. Seamless. Easily repaired. Fixtures, fittings, wall hangings as per any other plaster.
17. DRYING TIMES
Drying times – 2-3 hrs is between each layer. 24 hours for the entire finish to dry.
|Dried||low g/L||high g/L|
|Applied.||g/l kg/m3||Thickness (mm)||kg/ m2|
BS EN 520 – Impact Diameter < 15mm.
20. THERMAL CONDUCTIVITY
21. MOISTURE BUFFER
Buffer value: 1.28
22. LIGHT REFLECTIVE VALUE
Tested to BS.8493:2008+A1:2010. Ranges from 37.5 (Blue) to 60.5 (White).
23. DIRECTIONS FOR STORAGE
Keep dry, do not pierce bags. Any left over material should be kept in sealed containers for future repairs or use.
Data sheet last revised: July 2021
NBS Source: Find – Select – Specify