nail holes in fibre cement slates - do they cause staining??

Postby Joe33 » Fri Jun 26, 2009 9:58 am


Can you tell me if holes drilled in fibre cement slates, for copper nails/crampions will cause staining via the rain washing cement powder down the roof.

In some slates I'm using I've had to drill holes which end up being unused , will these holes cause more cement staining?

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Joined: Thu Jun 11, 2009 8:35 am


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