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Duropoxy Coat:

Waterproofing Primer / Coating
Duropoxy Coat is a two part, waterborne epoxy coating system designed to act as moisture and vapour barrier primarily over cementitious substrates.
12 months
Shelf Life
1 - 2 hours at 25 oC
Pot Life
4 - 5 hours at 25 oC
Touch Dry
7 days at 25 oC 50%RH
Full cure
Approx 1.25 @ 25 oC
Specific Gravity
1:1 by volume
Mix Ratio
Clean equipment with water before setting commences
Clean Up
Approx 15000cps
12 months
Water based, user friendly
Low odour
Excellent water resistance
Approved for use with potable
water conforms to AS4020(1999)
Excellent adhesion to fresh concrete, brick, masonry,
compressed fibro stone and timber.
Applicable to damp surfaces
Resists hydrostatic pressure when cured
All surfaces to be free of contamination, sound and not more than slightly damp. If necessary acid etch and water blast unsound or powdery concrete surfaces. Remove all acid residue before coating. Holes, non-structural cracks and other surface deformities should be repaired. Very porous or bony concrete may require 3 coats, the first acting as a primer, penetrating into the pores of the concrete. Power mix Pack A and Pack B over a period of 5 minutes. Use mixed material within 1 and a half hours at 20 oC. To seal or prime concrete, apply 2 or more coats by brush or roller at 5m2/lLitre per coat, to provide a seamless epoxy lining. To use as a water vapour barrier apply at 3sqm/litre/coat.
Care should be taken to fill all voids and pin holes. Epoxy Coat is rigid when cured and will not absorb movement cracks. Time between coats: 5 hours to 24 hours at 20 oC. Minimum cure temperature 10 oC. Do not apply if Relative Humidity is above 85%. Duropoxy Coat is a vapour barrier and not a membrane. A dedicated waterproofing membrane should be used. Surfaces may be slightly damp but not wet. 
Fish ponds
Retaining walls
Reverse Tanking
Primer for acrylic membrane
Waterproofing concrete slabs before vinyl and timber overlays
Moisture barrier on damp walls/floors
Dust sealing concrete floors
Some individuals may experience a skin re-action to Duropoxy Coat. Those individuals should wear personal protection equipment. Refer to our MSDS for more information. Duropoxy Coat cure rates will be dramatically reduced if the relative humidity is above 85%.
Do not apply to steel or metal surfaces, as corrosion will occur.
Do not add cemetitious products to Duropoxy Coat. Do not dilute.
Duropoxy Coat is a vapour barrier and not a membrane. A dedicated waterproofing
membrane should be used.
Duropoxy Coat is not trafficable and must be covered with floor toppings or conventional coverings prior to foot or vehicular traffic. In enclosed areas, such as water tanks or reservoirs, ventilation should be provided during curing cycle to enable adequate evaporation of the coating.
Duropoxy Coat will tend to chalk when exposed to UV light.
Allow to cure for a minimum of 24hours at 25 C/50% RH before applying waterproof membranes, adhesives, mortars, decorative coatings or other surface treatments. Discard any material that has exceeded the pot life or working time of the product.
Do not apply over any substrates that have been previously treated or coated with curing compounds, PVA concrete bonding agents or acrylic coatings. These areas must be mechanically cleaned by grinding or shot blasting to produce a contamination free surface.
Cold Substrates and Cool Climatic Conditions:
Duropoxy Coat cure rates will be dramatically reduced if substrate surface or ambient temperature is below +10 oC.
If Duropoxy Coat is applied in cooler climatic conditions, substrate temperatures can produce amine blush, resulting in an oily residue and or areas of uncured tacky discolorations.
If amine blush or any other form of surface contamination or discoloration appears on the coating, Duropoxy Coat should be allowed to cure and then be washed with clean, fresh water, Methalated Spirits or Xylene depending on the severity. Ensure thorough removal of the contamination prior to application of any further coating to ensure no de-lamination.
Follow mixing instructions and allow an extra minute to ensure a homogeneous paste is obtained. Allowing standing for 5 minutes after mixing will assist in accelerating the drying reaction.
Never apply thin coats as the rapid moisture loss will arrest or slow the drying reaction. Thin coats can also cause an amine blush.
Store Duropoxy Coat in a 20 oC environment 24 hours prior to use. If possible warm the substrate surface area by an air blower or use a blower after application. Always provide adequate ventilation during the curing cycle.
Clean up:
Wash all equipment in water or water/detergent immediately on completion of application and mixing. Duropoxy Coat will cure under water; hence ensure dirty equipment is not left soaking in water.  



Waterproofing FAQ

Membrane Protection Board

Waterproofing Coating

Waterproof Drainage Sheet

Waterproofing Primer

Repair and Maintenance