DULUX Weathermax® HBR MIO - PC405

Code: 770-LINE

Weathermax® HBR MIO is a two pack polyurethane finish for long term durability in both exterior and interior areas. Weathermax® HBR MIO is ideal for property maintenance as it has been specially formulated for brush and roller application with superior flow out of brushmarks compared with other MIO finishes. Weathermax® HBR MIO is easily recoatable with itself after detergent degreasing and light abrasion. Weathermax® HBR MIO is ideal for public spaces that may be prone to defacement by spray-can graffiti, as it is unaffected by Dulux Graffiti Eraser.


  • Excellent graffiti resistance - wipe clean with Dulux Graffiti Eraser
  • Excellent gloss retention and yellowing resistance
  • Excellent application and flow-out of brush marks
  • Excellent toughness and abrasion resistance
  • Higher film builds achievable by brush and roller than conventional polyurethanes

Performance Guide

WeatherabilityExcellent gloss and colour retention on exterior exposure.
Heat ResistanceUp to 120°C dry heat.
Water ResistanceExcellent resistance to fresh and salt water. Not suitable for immersion.
Abrasion ResistanceExcellent abrasion resistance when fully cured.
Solvent ResistanceUnaffected by splash and spillage of aliphatic and aromatic hydrocarbons, esters, ketones and common alcohols.
Acid ResistancePreferred coating for splash and spillage of most acids.
Alkaline ResistanceGood resistance to splash and spillage of most alkalis.
Salt ResistanceUnaffected by splash and spillage of neutral and alkaline salt solutions.


Roller, Brush, Airspray, Conventional Spray

Surface Preparation

Round off all rough welds and sharp edges, and remove weld spatter. Degrease by detergent wash according to AS1627.1. For all structural and decorative steel, abrasive blast clean to AS1627.4 Class 2.5. Remove all dust. Apply first coat before surface deterioration occurs.


Weathermax® HBR MIO is the preferred topcoat for all structural and decorative steelwork exposed in aggressive environments such as coastal developments and commerical, industrial and infrastructure projects. Weathermax® HBR MIO is also ideal for the maintenance of public spaces that may be prone to defacement by spray-can graffiti such as railway stations, ground level walls, underpasses, public car park walls, foyers, canopies, awnings, columns, screens, lifts and furniture and facades of shopping centres, sports centres and arts complexes.


4L pack


Bridge Grey

Use and typical specification

Mild steel: Abrasive blast AS1627.4 Class 2.5. Typical system: 1 x Zincanode® 402 @ 75 microns + 1 x Duremax GPE @ 150 microns + 1 x Weathermax® HBR @100 microns.

Product downloads

Product Data Sheet - pdfMaterial Safety Data Sheet

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