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On that note, how easy is it to clean roof tiles of lichen/moss/dead seagulls etc?
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DIY or getting someone in? A pro company should be able to answer most questions when they quote, I think there's a new building Reg that requires cavity insulation if adding render. The bits that I've done recently used a mix of 6:1:1 sharp sand, hydrated lime & Portland cement, I read many problems stem from using too strong a cement mix. I didn't use SBR or a waterproofer as apparently this can react with the lime, I used Cementone exterior render primer that was £100 a tub!
We are also keeping our concrete tiles, reminds me I need to jet wash the moss, liking the copper tip.
Not sure it's relevant but the sharp sand I used had pebbles that were just too big which made a mess when floating, I've been doing the inside of the bedroom this week and found 'plasterers sand' which is somewhere in between sharp and soft and spread/floated so much better.
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CYOA
inchpincher
@Timmy2wheels
Has anyone had their brick house rendered? Thinking about doing ours, not because the brickwork is in bad shape, but for aesthetic reasons. Sand and cement vs monocouche? Any issues to think about? And would the keeping existing concrete tiled roof, covered in lichen and moss, ruin everything? MANY QUESTIONS.