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Chemcure 200 Technological Solution

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Waterproofing Solution Simplified


Surface preparation and application of Chemcure 200 shall be carried out by an approved Licensed Applicator for Special Finishes Ltd., in strict accordance with specifications and data supplied.  Licence required W.CC200

Substrate Requirements:

  • New concrete must cure for a minimum of 28 days before Chemcure 200 application.
  • New roofs designed, should have the appropriate fall to water drain.  engineering design should incorporate 200 mm upturns around ll roof sides, thus preventing water spill off over building.  These upturns are also used as the base plate of parapet walls if they are to continue - upturns save cost by eliminating the use of other weathering membranes.
  • Epansion Joints to be sealed with our approved system.  Recommendations for long term performance, use Dow Corning R.790 Silicone Sealant.
  • Mould and paint should be completely removed by water-blasting before any application.
  • Existing concrete should be completely free from grease and oils - application of Chemical Degreaser then steamcleaning (oil will penetrate concrete up to 7 mm deep).  All oil must be removed.

Concrete Preparation:

Procedures must be adhered to;

  • Apply Chemcure 200 at 5m2 per litre, liberally flooding area - allow 6 hours to cure.
  • After 6 hours, apply 1 coat of water liberally.
  • Allow 24 hours, apply second coat of water.
  • Allow 24 hours, then apply third liberal coat of water.
  • Allow minimum 3 days before water resistance is achieved.

If correct watering procedures are not followed, failure may result - recoating procedure will be necessary.


Apply to 28 day cured concrete only

Warning - Application Precautions:

Do not apply Chemcure 200 to any of the following areas:

  • All aluminium, including anodised
  • Terracotta tiles (white stains will result)
  • Ceramic tiles (surface with be etched)
  • Glass (all glass will be etched by chemical reaction) - glass must be protected
  • Protect all areas with plastic tape and masking film

(Refer Special Finishes Ltd, for protection procedures)

Health & Safety:

Wear protective overalls, gloves and goggles when spraying.

Eye Contact: Flush with copious amounts of water or dilute Boric Acid Solution - seek medical aid.

Skin Contact: Wash thoroughly with soap and warm water.

Warranty / Liability

Special Finishes (NZ) Ltd provides all the enclosed information in good faith but without warrantee and is to assist your application. However the use of this product being used is beyond their control. The manufacturers can accept no responsibility whatsoever for any damage or failure arising from its application or use. It is totally the responsibility of the user to insure that the product is suitable for its intended use.