Thread: Black mould on underside of roof felt
View Single Post
  #6   Report Post  
Posted to uk.d-i-y
Mathew Newton[_2_] Mathew Newton[_2_] is offline
external usenet poster
  
Posts: 524
Default Black mould on underside of roof felt
On Sunday, 12 May 2019 12:17:38 UTC+1, wrote:

Bleach is the stuff to use on mould. When that's not usable I've used copper sulphate.

I've been reading that a solution of Hydrogen Peroxide 3% w/w can work well and is not as damaging as bleach can be?
Reply With QuoteReply With Quote