b'the surfacewhich is what makes it so resistant to corrosion. IronAnother popular choice is Resene Galvo One, a single pack and steel, however, form rust when they corrode, which is porous,primer based on alkyd resins and special anti-corrosive pigments not firmly adherent and does not prevent continued corrosion. which has been specially developed for direct application to new The way a building is designed also impacts the formation ofand weathered galvanised steel. Effectively, Resene Galvo One rust by minimising environmental exposure. A structure that haswelds itself to galvanised steel and stops zinc corrosion.been designed with corrosion prevention in mind avoids sharpWhen painting precoated metal, such as COLORSTEEL, edges, crevices, rough welds, corners, depressions and pocketsCOLORBOND or ColorCote, there can be adhesion issues. whenever possible. Be mindful that some types of materials willIf you are painting these materials, Resene Pre-Coated Steel bedifficultorimpossibletocoatonceincorporatedintothePrimer is a great primer to help overcome this concern.construction, so ensuring painting occurs prior to constructionIncircumstanceswherecorrosion-pronematerialsmustbe could prove vital for avoiding rust. usedandthepreparationconditionsarelessthanideal,your If rust-prone surfaces have been properly prepared, paintingResene representative can find Resene products to wet the surface can prevent iron and steel from rusting by applying an anti- out and improve its adhesion, barrier and anticorrosive properties. corrosive priming paint applied direct to the steel surface. TheseDepending on the job at hand, options like Resene ArmourX Rust-paints contain inhibiting pigmentssuch as zinc or strontiumArrest, Resene ArmourX Rust Sealer or Resene ArmourX GP chromate,bariummetaborateandzincphosphatewhichMetal Primer are single pack options which are easy to use.inhibit the occurrence of the anode reaction. Its also importantHowever,itsimportanttounderstandthatthelevelof to apply a sufficiently thick layer of paint so that pores in the filmprotection these products can offer is subject to the surfaces do not form continuous capillary channels through the coatingenvironmental exposure.and water and oxygen are prevented from coming together to form the cathode reaction. This is the function of epoxy, vinyl andGet a rusted look without the damagechlorinated rubber paints, which have high water impermeability.For those who find a rusty patina appealing, Resene has a clever Another method is cathodic protection, which employs anotherdecorative option. Rather than inviting rust damage, which could metal to be corroded or sacrificed instead of steel, such as thehave dangerous consequences on the structural integrity of your application of zinc rich paints, zinc being higher in the galvanicmaterials, Resene FX Faux Rust Effect is designed to give you the table, direct to the steel surface. same lookeven on non-metal materials such as walls, planters and many other surfaces. Its ideal for exterior architectural and Preparation is fundamental to protection landscaping features and can be used for non-contact interior The performance of any corrosion protection product is directlyfeatures, such as rafters. Its best used in non-contact areas to proportional to the amount of preparation that is undertaken. Withavoid rubbing or marking. surfaces that are already rusted, the performance of your coatingOnceReseneFXFauxRustEffectisapplied,itlooks system will depend on the thoroughness of the prep. Rust willconvincingly like rust. And like real rust, the look continues to above: Wall and plant pot in Resene FX Faux Rustcontinue to grow, so the aim is to remove as much rust as possibledevelop as the coating ages. Leave it as is for a living rust effect Effect and shelf painted in Resene Lustacrylto slow down future rusting before applying any coating. Whileor protect it with a clear finish of diluted waterborne Resene tinted to Resene Charcoal. Project by AmberResene it may cost a little more for better surface preparation, the paintAquapel. Since the colour intensity and look of your effect will Armitage, image by Wendy Fenwick. Charcoal coating will last many times longer and the overall cost savings independ on the application method and technique, always work on maintenance will justify the initial expense. Its crucial that paintinga sample area first and avoid cutting in with the product, which top tip be carried out as soon as possible after surface preparation takescould create a picture frame effect. place, and in nearly all cases, it must take place the same day.Maintenance is key to keeping your project looking its bestOn new builds where virgin materials are being used and properIf you are looking to prevent rust from occurring and are and can help prevent or slow down the formation of rust.preparation has been undertaken, there are several Resene primersunsure which products are right for the job, get in touch with Regularly wash exterior surfaces down with Resene Paintavailable that can help safeguard the longevity of your projectsyour Resene representative or use the free Resene Ask a Paint Prep and Housewash to remove salts and contaminationcorrosion-pronesurfaces.ReseneGalvo-PrimeisapopularExpert service, www.resene.com/paintexpert, for project-and extend the life of the coatings. waterborne option for new zinc surfaces that are in sound condition.specific suggestions.72 blackwhitemag.com'