Does Indian Sandstone Need Sealing?

While not mandatory, sealing is highly recommended—especially in areas like Kent and South East London where rainfall and damp conditions are common.
Sandstone is a porous natural stone, meaning it absorbs moisture. Without sealing, it can be prone to staining from fallen leaves and algae growth.
Applying a breathable stone sealant enhances colour tones, reduces water absorption, and helps protect against moss and algae. It also makes cleaning easier.
Sealing should typically be done once the patio is fully dry after installation, and reapplied every few years depending on wear.
Although sealing adds to maintenance, many homeowners feel the enhanced appearance and protection are worthwhile.
Indian Sandstone Patios in Kent – Case Studies
Examples of our Indian Sandstone Patios in Kent and South East London
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