EXTERNAL TOPCOAT

Decorative exterior topcoat based on an acrylic copolymer emulsion
PRINCIPAL CHARACTERISTICS
– for exterior or interior use
– unsaponifiable
– good colour retention
– moisture vapour permeable
– good dry opacity
– good adhesion
– good wash and scrub properties
– good flow and drying properties
– good weather resistance
– almost odourless
– easy to apply
– conforms to environmental specifications
COLOUR AND GLOSS
see Sigma Standard Colour Selection – flat

Product Details
SKU: 925 Category: Tags: ,

Basic Data At 20 °c

Mass density
approx. 1.4g/cm3
Solids content
approx. 35% ± 2% by volume depending on colours
Recommended dry film
25 – 30μm
Theoretical
approx. 14 m2/ltr @ 30μm / 11.66 m2/ltr @ 30μm
spreading rate
depending on the nature and condition of the substrate and the
application method employed
Touch dry after
approx. 30 minutes
Overcoating interval
min. 2 hours
max. no limitation
Shelf life (cool dry place)
12 months

Primed substrates
– dry and clean primed concrete, cement render and plaster
– dirt, dust and other contamination must be removed
previously painted substrates
free from defective or poorly adhering paint films
– wash intact or remaining paint films with a 3% ammonia solution
– glossy paint layers must be abraded flat
– not recommended over existing solvent borne paint types.
– for further advice on compatibility, contact Sigma Paints DTS

Recommended primer
– 0852 Sigma Acrylic Primer Sealer*
Recommended filler
– 0896 Sigma Concrete Filler
*alternate primers 0805 for interior, 0804 Sigmafix
Recommended finish
– applied in two coats @ 30μm dft per coat

Method Of Application

BRUSH AND ROLLER
Recommended thinner
sweet water
Volume of thinner
approx. 0 – 10%
AIRLESS SPRAY
Recommended thinner
sweet water
Volume of thinner
approx. 5 – 10%

Environmental

Complies with VOC specifications such as LEED etc.

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About EXTERNAL TOPCOAT


Decorative exterior topcoat


  • Good dry opacity

  • Good adhesion

  • Good wash and scrub properties