RD Coatings Monoguard a Fast Air Drying High Performance Water based direct to metal primer finish suitable for Marine environments.

Monoguard has excellent colour retention and corrosion resistance in a C5-M environment with a life expectancy of 15 years.

Monoguard requires no abrasive blast cleaning, prepare the surface using high pressure water jetting.

Monoguard is a single product solution, a primer finish in one product.

Monoguard is recommended for the renovation of metal cladding, structural steel and equipment in aggressive industrial and marine locations.

Monoguard is an advanced environmentally compliant waterbased technology with zero emissions.

Monoguard is for sale for professional use and is a primer finish available in a wide range of RAL and NCS colours in a satin finish.

Follow the link for the full range of RAL and NCS range.


  • 5ltr
  • 20ltr


RD Coatings Monoguard has excellent colour retention and corrosion resistance for cladding, multisurfaces, structural steelwork and equipment without the need for abrasive blast cleaning.  Monoguard is environmentally compliant with low VOCs and odour, ideal for hygiene sensitive locations. It is recommended as a primer finish for C5-M environments and is available in a wide range of RAL and NCS colours in a satin finish.

RD Coatings Monoguard is a High Performance (15yrs) fast drying single pack waterbased anticorrosion primer finish with good exterior durability without the need for abrasive blast cleaning on steel. It can be applied by Airless spray, brush or roller on steel, CorTen steel, cast iron, aluminium, stainless and galvanised steel. A single coat of Monoguard Primer Finish is recommended over weathered galvanised steel and previously painted surfaces. Two coats are recommended for long term corrosion protection on steel in C5M environments (1400hrs salt spray ASTM).

Monoguard Primer Finish is recommended for use in aggressive marine environments when overcoated with Hydrograff. It is recommended for offshore environments, structural steel, building products, cladding,  construction and agricultural equipment. Monoguard Primer Finish can be applied up to 100 microns in a single coat by airless spray, two coats may be required to achieve the recommended DFT by brush or roller. It is resistant to continuous temperatures of up to 80°C

Surface Preparation

Carbon Steel: Minimum St2 (ISO 8501-1), no abrasive blast cleaning required.

Galvanised steel: Surface to be clean and dry with a rough dull surface

Aluminium: Surface to be clean and dry, abrade with non metallic abrasives or pads

Painted surfaces: Surface to be clean, dry and undamaged compatible coating, free from oil grease and other contaminants.

Technical Data

Download Datasheet
Download Datasheet
Download Datasheet

Volume Solids (ISO 3223): 43%

VOC Content: 45 g/lt

Flash point (ISO 3679): Non Flammable

Dry Film thickness: 100 microns

Wet Film thickness: 233 microns

Theoretical coverage: 4.3 sq m/lt (for 200 µ dry)

Touch Dry 23c: 2 hrs

Overcoat 23c: 4 hrs

Nozzle tip: 7-9 thou

Pressure at nozzle: 2100psi, 34psi (HVLP or Pressure pot)

Thinner: Not required, clean equipment with water

H&S: Observe the precautionary information on the container. Refer to MSDS for full details on health and safety and storage regulations.

Additional information


RD Coatings

Choose Your Colour

Clear, RAL1003, RAL1015, RAL1021, RAL1023, RAL2004, RAL2008, RAL3002, RAL3020, RAL5002, RAL5010, RAL5024, RAL6005, RAL6019, RAL6029, RAL7016, RAL7046, RAL8019, RAL9005, RAL9010, RAL9016

Choose Pack Size

5ltr, 20ltr

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