Options to maintain apartment block flat roof

16 Mar 2014
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United Kingdom
We've got a flat roof on top of our apartment block that is approx 30 years old, and are looking for general advice on maintaining it, as we are concerned about the discoloration.

Some basic questions we have are:
- What is the roofing material? Zinc? Tin? Lead? Something else?
- Is the discolouration (brown rust colour) serious damage, or just aesthetic, or somewhere in-between?
- What steps should we take to extend its life?

Pics are here:

Thanks for any input.
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Tin roof with zinc coating, the discolouration is rust, depending how far the rust has penetrated will ascertain the condition of the overall roof.
You would need a roofer who installs standing seam or metal roofs to advise properly.
i can see , zinc standing seam,, A roof or 2 of lead , one felt roof and a GRP ..

There used to be a Hard metal guy posting on here .. maybe he is still around to comment on the zinc
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