Stainblock Barrier Coating

Availability: In stock

Provides an outstanding base to overcoat and seals in water stains on ceilings etc. Suitable for direct application to concrete, cement plaster, ceiling boards and previously painted surfaces.

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Product Specs:

  • Available in 500ml pack
  • Colour: White

Technical Data Sheet


Dekade Stainblok is specially formulated for painting over most unsightly stains, eg water marks etc.

Outstanding adhesion – will adhere to new and old alkyd enamels, concrete/plaster, brick and difficult chalky surfaces. No problem with drying. Will even dry at 0°C and 40°C. Excellent recoating – can be recoated after 4 hours drying time and at any time during its life. Outstanding durability. Resists moisture, alkali, industrial fumes, UV light and microbiological attack. Easy application by brush, roller or spray.

Surface to be painted must be thoroughly clean, dry and free from all foreign contaminants and friable materials.
CHALKY PVA or LIMEWASH/DISTEMPER: Sand down all loose powder. Flaking paint must be completely removed. Apply 2 or more coats, undiluted depending on the severity of the stain.
ENAMEL SURFACES: Very lightly rub with 320 grit dry paper to a matt finish and wipe down with a damp cloth. Apply 2 or more coats, undiluted depending on the severity of the stain.

Not to be used as a primer on metal.
Not recommended for painting over smoke stains.

Stir with flat paddle before use. Ready for use by brush or roller. Two coats is normally required and three in more severe cases. Allow a minimum of 4 hours drying time between coats. Thin and clean with Mineral Turpentine.

Type: Modified Acrylic
Drying T ime: (T) 1 Hour
Hard Dry: 4 Hours
Recoat: 7 Hours
SG: 1.28 – 1.30
Viscosity: 75 – 80 KU
Solids by Volume: 35 – 38%
Spread rate: Approx. 8m2/Lt depending on surface profile and porosity.
Gloss Level: Matt
Solids by Mass: 58 – 62%
Flashpoint: 37°C
Pack Sizes: 500ml
Colour Range: White
Resistant Properties: Chemical Fumes – Excellent. Microbial Attack – Excellent

Health and Safety: Refer to Material Safety Data Sheet

Download Technical Data Sheet


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