Zinsser the go to for sealing over algaed interior breezeblocks? Or am I biociding them first?
Finding out why they are mouldy will be useful too - otherwise it will just come back, no matter what chemicals you throw at it.
@NotThamesWater started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Zinsser the go to for sealing over algaed interior breezeblocks? Or am I biociding them first?