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Issue 19
- 1. Issue 19 –October2015 Newsletter The front elevation(Phase 2) of Lynwol ApartmentsinHope Street,Cape Towniscurrentlybeing refurbishedbyBlacklandPainters.The precaststone finishedpanelsweretreatedasper anynormal masonrysurface.Cleaningthe surface toeradicate dustanddebriswasparamounttoensure proper adhesionof the subsequentcoating.We recommendedDekroseal,pigmentedemulsionprimerand Sheerflex asatop coat to achieve obliteration.Due tothe possibilityof wateringressintothe panelswhich causesspallingtothe concrete surfaceswe recommendedFibre Strengthasanintermediate coating. Fibre Strengthisspeciallyformulatedtogive aslighttexturedappearance andbridge hairline cracks. Fibre Strengthwill provideadry filmthicknessof 100µ. In lastmonth’snewsletterwe emphasizedthe importance of protectingmetal substrateswithin close proximitytothe ocean.AtlanticainMainRoad, SeaPointwithguidance fromPropertyDiagnostic Services are undertakingthe metal refurbishmentby applyingourmarine coatingsaccordingto specification.Powercote isthe contractoronsite applyingUmeguardSXas a primercoat and Unymarine CS614 as topcoats. Stone Ridge isa new developmentlocatedin LangebergRidge andformspart of the massive propertyexpansionalongthe OkavangoRdDelta. DekroPaintsprovidedthe contractorwith Dekroseal –waterbasedmasonryprimerand Afriflex–flexible,texturedcoatingwithexcellent waterresistance. Afri Flex shouldbe usedwhere outstandingdurabilityand waterproofingpropertiesare required. Afri Flex isdesignedto cover hairline cracksandcrazed plaster. UmeguardSX isa surface tolerant epoxypaintandissuitedfor applicationtocorrodedareas where optimumpre-treatmentis not practical.
- 2. www.dekro.co.za TOLL FREEHELPLINE: 0800 222 423 info@dekro.co.za 24 Fabriek Street Kuils River7580 Black, grey or brown areas of fungus growth on surface of coating. Can also include red, yellowand greenalgae. What CausesMould Contamination? Damp areasreceivinglittle ornosunlightandpoor ventilationare susceptible tomould.Paintingover an area withpreviousmouldandlow qualitycoatings containingnoor low levelsof biocides.Reusingopened containersthathave receivedcontaminationfrom applicationtransferandorstorage conditions. How Do I FixIt? Determine firstlyif the contaminantisdirtormildewby applyinganantifungal wash. Leave areafor24 hoursso that the fungicidal canreactand kill all the spores. Wash the surface withcleanwaterand allow drying. Recoat withpaintthat isprotectedwithdryfilmbiocide. RecommendedProducts? HydrowashFungicidal AquablockWaterRepellent HydrolockWaterBasedEpoxyPrimer Hydroclad Hydrocide Mediguard HydromedGloss Whenit comesto structural steel itiscritically importantto ensure thatthe correct products are specified.Mildsteelworkisconducive to corrosionand can onlybe removedthroughblast cleaningwhichisexpensive andtime consuming. Paintmasteriscurrentlyrefurbishingthe bridge at Canal Walk,CenturyCityandthe coatingswe recommendedforthisprojectare UmeguardSX – Surface tolerantepoxyprimerandUnymarine – Polyurethane epoxyintermediateandtop coats. Our HeavyDuty Inspectorsvisitthe site ona regularbase to conductcorrosioninspections and wetfilmthicknesstest. The projectis scheduledtobe completedbythe endof October2015. DekroPaintsiscurrentlyprovidingone of our ThalesApprovedcoatingMediflextorecoatthe structural roof steel. Mediflexisahighgloss, single packwaterborne polyurethane based coatingdesignedwith specifichygiene functionality. The in-filmpreservativeis designedtoremainpermanentlylockedinand active ensuringnogrowthof surface micro- organisms. Hydrowash Fungicidal is designedtokill active mould,fungal andbacterial growths,andChlorophyll containing organismssuchas moss,lichenandalgae priorto applicationof Hygiene solution primersandmembrane systems.