Pro Primer 575 Concentrate

$215.00 (from ~ $2.20/m2 RRP)

Decorative Concrete Primer

The Pro-Primer 575 is a premium concrete admix which is used for making super strong, fast curing, waterproof concrete. It is ideal as a water based primer for decorative concrete resurfacing and for strengthening, stabilising, and waterproofing sand finished rendered walls before they are painted.

4 litres of product seals up to 100 metres square. This is dependent on surface porosity.

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This product is a water based concentrate which is completely compatible with cement and cement like products. It adds supple strength to brittle materials and is ideal as an admix in concrete, plasters, screeds and more. Its function is to greatly increase the overall strength and durability. It is a waterproofer, and so is suited to water features, and outdoor furniture and structures too.

The ProPrimer 575 is best used on damp surfaces. This saves you heaps of time as you don’t need to wait for your plasters, screeds and other materials to dry out. You can prime your walls as soon as the white set is applied. The primer slows down the moisture loss that occurs with cementitious creed. This means that the plaster cures properly and is much less likely to delaminate and crack. The binding properties mean that damage from erosion is greatly reduced. A surface is created when using Pro-Primer 575 that is highly durable and less porous.

This product makes a great base for painting as when applied over this product your paint will last longer, and will not peel off over time.

Note that ProPrimer 575 deteriorates after prolonged exposure to UV light. Apply a superior quality of exterior paint as the topcoat when your product is going to be exposed to the sun regularly. Water based sellers such as Pro-Seal 770 and Pro-Seal 896 are recommended as a final coat to protect from UV rays.

This is a great product to use as a render on external sand finishes.


ProPrimer 575:

  • Is an extremely strong binder and waterproofer. It is polymer based.
  • Has a non hazardous materials classification
  • Adds strength and durability to render cement
  • Is a very cost effective method of increasing the quality of the render
  • Is excellent for use under exterior pain


Curing Time:
– Touch dry: 30-60 minutes
– Foot Traffic: 24 hours
Coverage: 20-25m²/litre depending on surface porosity
Dilution: 1:4 (1 part product : 4 parts water).
(20% of the Portland cement content when used as an admix. Substitute this amount for it’s equivalent in water.)
Clean-up: Water
Equipment needed: Pump sprayer or WBS CSU (Commercial Spray Unit) and broom
Odour: None


  • ProPrimer 575 is ideal for use on newly constructed rendered walls. It minimises the development of surface cracking on cement related surfaces
  • It is used to waterproof and bind cement based materials.


Dilution: WBS Pro-Primer 575 is a highly-concentrated product that requires dilution with water prior to application.

Mix the neat product thoroughly prior to dilution.
Suggested dilution rates are: 1:3 (1 part product:3 parts water)
Diluted solution should be mixed thoroughly prior to application.

Apply using the CSU (Commercial Spray Unit) or suitable spray applicator.

Best applied to a wet/damp surface to help draw product into the surface material. Use white colour of the product as a visual aid to achieve even coverage.

Dries clear. Allow 24 hours prior to painting.

Environment & Safety

Pro-Primer 575 is an environmentally friendly product that is:

  • Water-based
  • Non-hazardous and non-toxic
  • Contains no petroleum solvents or silicone compounds
  • 100% biodegradable
  • VOC < 2 g/L

Store products in a cool dry area and keep product out of direct sunlight.

Keep out of reach of children, wash up any spills by flushing with water, avoid contact with eyes and skin, for professional use only, keep product out of direct sunlight, store in cool dry area.

Classified as Non-Hazardous Material.

Data Sheets


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Additional information

Weight 4 kg
Dimensions 19 × 12.5 × 25 cm

Colour Enhancing, Satin Finish


Water Based


Hydrophobic (Water Repellent), Oil Repellent, Penetrating

Product Type

Treatment, Primer


Water Based Sealers