Weatherkoat

5 year guarantee membrane waterproofing system

Weatherkoat is a water-proofing acrylic used with the Sparcolux Membrane to form a tough but flexible waterproofing barrier. This versatile, affordable product offers excellent water repellency and good UV resistance and can be used across a range of waterproofing applications.

PRODUCT APPLICATIONS 

  • Waterproofing leaky flashings, parapets, wall & chimney cappings, roof joints & screws, and pitched iron or tiled roofs
  • Sealing joints and covering fine cracks 
  • Waterproofing exterior walls 
  • Sealing  previously applied waterproofers

Sparcolux Weatherkoat benefits:

Versatile

Can be used across a wide range of waterproofing problems

Tough but flexible

Withstands cracking and movement of the underlying

surface when used with the Sparcolux membrane

Top quality

5 year guarantee

Easy to use

DIY friendly product that is easy to use, apply (brush or roller) and clean afterwards

Range of colours

Attractive finish across a range of colours

COLOURS

BLACK

CHARCOAL

GREY

RED

BURGANDY

GREEN

WHITE

PACK SIZE

  • 1 Litre
  • 5 Litre

Colour 

7 Colours 

Black, Charcoal, Grey, Red, Burgundy, Heritage Green, White

Appearance 

Matt

Viscosity

90ku to 100ku 

SG

1.170

Mass Solids

0.421 kg per 1lt

Volume Solids 

36%

Shelf Life 

1 year 

Storage Conditions 

Normal

Pack Size 

1 Litre, 5 Litre 

Method  

Brush, Roller

Spreading Rate 

With Membrane: 4 coats @ 0.4 – 0.5m² per litre 

Exterior walls: 2 coats @ 3-4m²/litre 

Maintenance coat: 1 coat @ 1.5m²/litre.

Number of coats 

Per above. 

Drying time

Touch dry: 3-4 hours with 4 coat membrane application

Allow 5 days to cure before exposure to water.

Overcoating

3-4 hours at 25ºC

Thinning

Not recommended

Cleaning 

Water 

  • Ensure all substrates are thoroughly clean, sound and free of any contaminants such as dirt, grease, salts and algae.

    Cement and fibre-cement roof tiles/sheets

    New, weathered or previously painted cement:

    Remove fungal growth, lichens and loose or flaking paint with a high pressure water jet and allow to dry. 


    If the surface is powdery or chalky, seal with Sparcolux Keybond or similar Bonding Liquid. Allow to dry.

    New galvanised iron roofs (Corrugated, IBR)

    New:

    Wash with Galvanised Iron Cleaner per instructions, ensuring oily residue is completely removed. Rinse well with water and allow to dry. Prime exposed metal with Sparcolux Metal Primer, and allow to dry.


    Weathered or previously painted: 

    Remove fungal growth, lichens and loose or flaking paint with a high pressure water jet.  Where RUST, remove heavy, loose and flaking rust by wire brushing or sandpapering until exposing the bright metal. Wash down well with water and allow to dry. Same day, prime with Sparcolux Metal Primer.

    Chromadek

    New:

    Rub down surface lightly with scouring pad. Wash with Galvanised Iron Cleaner as per instructions.        

    Weathered or previously painted:

    Remove fungal growth, lichens, and loose or flaking paint with a high pressure water jet. Remove heavy, loose and flaking rust by wire brushing and sandpapering to expose a bright metal. 


    Wash down well with Galvanised Iron Cleaner as per instructions.. Rinse with water and allow to dry. 


    Prime with Sparcolux Metal Primer. Allow to dry.

    Zinc Alum / AluZinc

    Wash with Galvanised Iron Cleaner as per instructions until a water break-free surface is attained. Rinse well with water and allow to dry. 




PRODUCT SHEET