DIY Doctor

Help and advice needed with rusting roof slates

Postby simonchalk » Sun Jul 12, 2020 7:34 am

Looking for some advice please. Our 1930s house was re-slated 9 years ago. The contractor (allegedly) used Siga 38 slates with a workmanship/materials guarantee of 30 years. We are about to embark on on a loft conversion and the scaffolding went up this week. When I popped up to take a look at the condition of the chimney I was pretty concerned to find that a lot of the roof slates are quite rusty and in some areas the tiles appear quite affected. I have attached a few photos.

Should I be concerned about this? or is the rust just cosmetic?
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simonchalk
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Postby stoneyboy » Sun Jul 12, 2020 11:13 pm

Hi simonchalk
Suggest you contact Siga and seek their guidance.
Regards S
stoneyboy
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