Guides to cleaning and preparing outdoor surfaces
These guides explain what happens to your surface during a professional clean, which stains are realistic to remove and which are not, how old paint and moss are dealt with, and what the regulations say about wash water and residues. They are written to help you decide, not as do-it-yourself instructions.
All guides
How professional pressure washing works on driveways, patios and paving
Professional pressure washing is a sequence, not a single blast of water: assess the surface, test a small patch, clean in a controlled pattern, treat stubborn stains, ri…
Oil stains on concrete driveways: what comes out and what stays
Whether an oil stain comes out of concrete depends on how deep the oil has travelled, how long it has been there and how porous or sealed the surface was. Fresh drips on …
Rust, moss, verdín and black algae on outdoor surfaces: a practical guide
Moss, verdín and black algae are living growth that thrives on damp, shaded, porous surfaces, and they lift with careful cleaning but return if the conditions stay the sa…
Removing old paint and failed sealer from outdoor concrete
Old paint on outdoor concrete should be removed wherever it is loose, flaking or blistered, because anything applied on top of it can only be as good as the weakest layer…
Wash water and residues from pressure washing: what the rules say in Malaga province
Wash water carrying paint, pigments, solvents or solids that can block pipes must not go into the public sewer in Málaga city, under its sanitation regulation. Benalmáden…
Cleaning block paving properly: joints, weeds, stains and colour
Block paving is cleaned properly when the blocks come up clean and the joints keep as much of their sand as possible. That means a low jet angle, pressure matched to the …