Exterior and pressure washing: walls, driveways and compound walls, cleaned without damage
By J-Guard Services · Updated 4 November 2026
Across South India, the monsoon and humidity grow algae and moss on exterior walls and leave weather stains ordinary washing cannot shift. Pressure washing clears them — but the pressure has to suit the surface, or it does damage of its own.
What pressure washing clears
- Algae, moss and the green-black growth the monsoon leaves on walls.
- Grime and weather stains on exterior walls.
- Dirt and moss on driveways, courtyards and paved areas.
- Compound walls and gates.
Why the pressure must match the surface
The mistake that damages property is using one high pressure on everything. Paint, tiles, interlocking pavers and stonework each take a different pressure; too much strips paint and chips stone. A proper job matches the pressure to each surface, masks water-sensitive fittings — lights, sockets, meters — and finishes with a rinse and a run-off cleanup.
When it is worth booking
Exterior washing lifts the whole look of a property, so the usual moments are before a repaint (paint does not bond over algae), before a function or house-warming, or before listing a property to sell or rent. Many homes also do it once a year after the monsoon, when growth is heaviest.
What to check before you book
- Will the pressure be matched to each surface — paint, tiles, pavers, stone?
- Are water-sensitive fittings masked and protected first?
- Is it priced on the area to be washed, and does the quote account for height access and how heavy the staining is?
- Is the run-off cleared at the end?
Common questions
Will pressure washing damage my paint or tiles?
Not when the pressure is matched to the surface. The damage people see comes from one high setting used on everything; paint, tiles, pavers and stone each need a different pressure, and water-sensitive fittings should be masked first.
How is exterior washing priced?
By the area to be washed, per square foot, with the quote also reflecting the surface type, height access and how heavy the staining is. It is confirmed before work begins.
When is the best time to pressure-wash a house in South India?
After the monsoon, when algae and moss are heaviest, and before any repaint — paint bonds poorly over growth — or before a function or a sale.