Browse Forums Heating, Cooling & Insulation 1 Jun 08, 2017 9:07 pm Weve got a 6 year old white Colourbond roof; its showing signs of discolouration which looks like a mould, near the high points where air seeps out. We are about 1 km from the sea. Should we be concerned about this corroding the roof material? What is the typical life span of this type of roof? Re: Mould on Colourbond Roof 2Jul 10, 2017 6:16 pm Peter, Not unusual for fungus on Colorbond roof. I have it on mine and we are about 300m from Port Philip Bay in Vic. I have a Technical Bulletin TB-27 made available by Bluescope Steel which discusses this problem but I note it is dated November 2003 – perhaps they may still have some in print or perhaps updated it by now. Suggest you enquire of them about this bulletin. Plus also have a look at this link http://www.bluescopesteel.com.au/howto/identify-and-remove-fungus Cheers barkly This certainly doesn't look good. I would be engaging with an independent inspector to have a look at this. As for the unscheduled site visits, most builders are quite… 1 22068 Cheers. The painted render is a bit chalky to the touch. To prepare the surface for best adhesion, what would you recommend? Also, given that there must be some… 6 1619 Hi Our backyard colourbond fence located on a busy road and it wobbles when cars drive pass it and when it is windy as well. It's colourbond and with 8 posts concreted… 0 2021 |