• Attic has layer of rockwool, then what appears to be straw, string, soil etc. Is this the remains of original victorian insulation? Should I remove before adding another layer of insulation or just leave? would be a massive job but have the opportunity I suppose.

  • I think it was as much for sound insulation as much as heat. Lot of ash underneath tenement floorboard here in Glasgow

    Keep it if you're going to be walking around I guess?

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