Oamaru stone care & maintenance service | Rewhitening & waterproofing Oamaru stone

Oamaru stone cleaning and sealing is a maintenance that is necessary for both new home builds & existing structures in need of maintenance to re-whiten the Oamaru stone where the growth of moss, mould & lichen has caused the stone to take on a dark green or black appearance.

"Its important you maintain and care for Oamaru stone to keep its natural white and creamy colour, when in shady and damp areas the stone is at great risk of discoloration from moss & mould growth"

The recommended Stratacote approved process begins by killing off and cleaning the stone of any dirt, grime, moss, mould and lichen that has accumulated, followed by the application of a sealant that is decided to be most suitable for your Oamaru stone surface after considering your requirements.

Quality of finish and how close to original condition will vary on current state of stone and length of time moss has been growing.

Before & After Oamaru stone re-whitening treatment
Before & after re-whitening treatment

Oamaru stone house after a Stratacote clean & seal
Protect your Oamaru stone from day one with a clean & seal!

"Protect your Oamaru stone using Stratacote products and experienced advice to clean and seal all your masonry surfaces"

It is important to seal Oamaru stone structures due to the stones water absorbent characteristics, this means it will soak up any moisture and become a very hospitable environment for moss, mould & lichen to grow if not correctly sealed. This water absorbent characteristic can also cause freeze/thaw damage over winter if the stone has not been waterproofed properly as water inside the stone expands and causes chipping.

By sealing new Oamaru stone structures and buildings immediately and keeping the stone waterproofed you can prevent damage and maintain its beautiful appearance throughout its life. For structures that are already growing moss & mould the cleaning process can renew its look prior to sealing.

When treated by the Stratacote products the coating can last for over 10 years!

See if your Oamaru stone needs to be treated by conducting the splash test mentioned in the blog link below:

7 Tips for care and maintenance of Oamaru Stone

Talk to the Stratacote team and share the details of your job with us below, for advice on use of our Oamaru stone care products to keep your Oamaru stone home looking its best!


Make sure you contact us here with any questions you have:

Ask us for a quote or any questions you may have here!

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