Natural Stone

Natural stone patios and driveways can be the most beautiful to have, however when left exposed to the elements, surfaces such as sandstone can become the most unsightly! Due to the porous nature of the stone, it can become a breeding ground for bio-contaminants with black spot lichen being the most prevalent.

High pressure cleaning can be detrimental as this will open up more pores within the substrate making the surface more susceptible to lichen growth. This lichen can become so deeply embedded that pressure cleaning alone will not suffice.

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Natural Stone

Natural stone patios and driveways can be the most beautiful to have, however when left exposed to the elements, surfaces such as sandstone can become the most unsightly! Due to the porous nature of the stone, it can become a breeding ground for bio-contaminants with black spot lichen being the most prevalent.

High pressure cleaning can be detrimental as this will open up more pores within the substrate making the surface more susceptible to lichen growth. This lichen can become so deeply embedded that pressure cleaning alone will not suffice.

But all is not lost!

Restoration Process

With the use of steam and carefully selected soft wash chemicals, we are able the remove these contaminants and restore your sandstone back to its former beauty. Once clean, a soft wash biocide can be applied to leave a residual sanitisation and prevent the re-colonisation of black spot lichen.

Alternatively, a high quality impregnating sealer can be applied for long term protection. This works by filling the microscopic voids within the substrate of natural stone, creating a waterproof barrier on the surface. These sealers can be applied in an invisible or colour enhancing finish that will deepen the natural colours of sandstone or limestone creating amazing results and visual aesthetics!

Benefits include:

  • Closes pores and protects from lichen and algae growth
  • Creates waterproof barrier
  • Enhances colour or retains natural look
  • Protects for 3-5 years

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