Most hard surfaces, at the right pressure. A few should never see a lance, and knowing which is the whole skill.
Concrete, block paving, natural stone, porcelain, brick paviors, decking, steps and most driveways can all be washed — each at a pressure suited to it.
Tarmac and resin bound need low pressure only. Gravel is not washed at all. And render, soft mortar and some painted surfaces are better left alone.
| Surface | What to watch |
|---|---|
| Indian sandstone | Porous; excessive pressure leaves permanent lance marks |
| Limestone and soft stone | Marks easily; low pressure and technique |
| Old flagstones | Often the best result of all, done gently |
| Decking | Timber damages readily; gentle only |
| Tarmac | Scars under a lance held too close |
| Resin bound | Aggressive washing lifts the surface |
| Imprinted concrete | The sealed coating can be stripped |
| Mortared joints | Old, soft mortar can be blown out |
Tell us what you need and we will arrange a free quotation.
| Soiling | Result |
|---|---|
| Green algae | Excellent |
| Moss | Excellent; joints then need re-sanding |
| Black spot lichen | Good, with the right approach |
| General grime and ingrained soil | Excellent |
| Oil and grease | Improved; may not fully clear |
| Rust marks | Variable; may need treatment |
| Paint | Usually not, without stripping |
| Cement or mortar splashes | Difficult once cured |
See what our power washing service covers in Fishponds, or read more about the service across the areas we work in.
Concrete, block paving, brick paviors, natural stone, porcelain, decking, steps and most driveways — each at a pressure suited to it.
Indian sandstone and other porous stone, limestone, decking, tarmac, resin bound and imprinted concrete. All mark or lift under too much pressure.
Gravel, loose or failing pointing, low-level render, painted surfaces you want to keep, and asbestos cement roofing — which releases fibres and must not be washed.
Yes, at low pressure only. It scars easily under a lance held too close, which is where most driveway damage happens.
Green algae, moss, black spot and general ingrained grime. Oil and rust improve but may not fully clear, and cured cement is difficult.
Steps above all — where algae matters most for safety — plus the front path, bin store areas, patio edging and drain surrounds.
On block paving, yes. Mortared patios may need repointing where the joints have failed.
Ask how they will approach each one. Anyone quoting for several different surfaces should be able to answer without hesitation.
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