Written by , Founder. Updated .
What is sandstone?
Sandstone is a sedimentary stone of compacted sand with a natural, textured feel, used outdoors, around pools and on feature walls. Highly porous, it absorbs water and stains readily.
Where does PGS restore sandstone?
Feature walls, patios and columns, by pools and in gardens.
What damage does sandstone get?
- Algae, mould and black staining
- White salt deposits
- Flaking caused by damp
- Rust stains
- Lichen on walls and patios
- Crumbling joints between blocks
How does PGS restore sandstone?
Deep cleaning that spares the surface, salt removal and a breathable water-repellent seal.
Surface Restoration · Invisible Shield · Specialist Cleaning
How should I clean sandstone at home?
- Never use a pressure washer at close range.
- Clean seasonally, before the rains.
- Check for flaking every year.
Sources & further reading
The Natural Stone Institute’s consumer guide covers daily cleaning, stain removal and when sealing helps for natural stone. It is industry guidance; on every project we test the real stone first.
General information about this stone. On every project, PGS craftsmen survey and prove a small area of the real stone before proposing a method.