SikaMould Buster 5Lt

Worked very well. I applied it using a sprayer about 5-6 hours before some light rain and by the next morning it had all cleared up and was moss free. This was applied to my patio and some decorative stones. Works well would recommend. It seemed to work faster than another brand I had used before. Also used 1:5 ratio.

Purchased to coat our roof tiles that were green and mossy worked very well June2023 and still look good March 2025. Had 5L diluted left over in the garage so tried it on our fence March2025, 3 days later see photo for result.After 2yrs being diluted its still worked very well, Will order another 5L to do the rest of the fence. Ratio 1L Mould buster 4L Water. Always find Sika products reliable

Getting mould of outside walls.

Recommended by our drive guy. Fantastic product that is easy to use and really works on mould & algae after the very wet winter. Will definitely be using again.

I tried this as from the same stable as Patio Wizard which works very well. I would say that they are both good, but this silka product seems to work a little faster. It is not an instant product, but lasts once applied.I use it in Spring and late Autumn, which helps to keep the moss at bay over the Winter so it's not a major job in Spring.It also cleans the paving area and drive, in fact I have not used a jet wash in over five years.

It works!

Seems to be goodEasy to mix one part to 4 parts water.Lucky I have a sprayer to apply.Need to pick a dry day to apply.So far the algae seems to disappear after application

Used it to remove stains on K rendered outdoor walls. Removed the green stains, but left the black ones behind.I will try scrubbing them, but will probably have to repaint.