Clean Sandstone: How to do it yourself | Sandstone
Sandstone is extremely porous. This means its surface and makeup has a lot of holes within it, so it can easily absorb water, dirt and grime deep into the sandstone. Theres 3 reasons sandstone can become dirty: #1 Airborne dirt Dirt can build up on the sandstone surface over time. This makes your sandstone pavers appear dull and grey