The Mark Cave Softwashing Podcast

Mark Cave breaks down how to restore heavily colonised Indian sandstone safely, avoiding permanent wand marks, delamination, and recurring black spot lichen. Learn why chemistry and dwell time must do the heavy lifting over high pressure, how to stage treatments, and why inspecting stone only after dry-down prevents customer disputes. Show Notes Can Pressure Washing Damage Paving? Safe ... - SoftWash UK Ltd: https://www.softwashing.uk/blogs/news/can-pressure-washing-damage-paving-safe-uk-guide?srsltid=AYCX9vI_Y-5eHxm9cwpwzWcb9njIzcfAyt8J75PUPeoPY-5SyTWMW3My Why Patio Black Spots Return & How to Stop Them - SoftWash UK Ltd: https://www.softwashing.uk/blogs/news/why-patio-black-spots-return-how-to-stop-them?srsltid=AYCX9vJrYDUVXCY3Ly7QYzRbSEyAkP9hstoT34TCJLUA1wvHYKqJLBIn Patio Cleaning Myths: Safer Ways to Clean Paving – SoftWash UK Ltd: https://www.softwashing.uk/blogs/news/patio-cleaning-myths-safer-ways-to-clean-paving?srsltid=AYCX9vIDjBQ2QNR7yb2Myt_5269_79Q7IFRFJZ7wmlRpph6wC_8mpa6m

Mark Cave breaks down why sodium hypochlorite fails against rust stains on render and masonry, explaining how oxidised ferric iron requires reducing and chelating agents like oxalic acid. Learn the critical diagnosis steps, source-control techniques, and safe application protocols to eliminate metallic tails without damaging surfaces.

Despite recent heavy storms, severe drought and temporary use water bans persist across parts of England, making pre-job supplier checks essential. We also explore Sanctuary Care's market engagement for window and gutter cleaning, plus crucial electrical safety lessons from a recent HSE prosecution.

Mark Cave breaks down why black spots on patios are actually anchored lichen rather than simple dirt, and explains why high-pressure blasting often causes permanent stone damage. Discover the step-by-step professional softwashing workflow, from chemistry and dwell time to long-term biocide treatments.

Mark Cave breaks down why mortar joints are the sacrificial weak point on brick and stone walls, covering the physical and chemical risks of improper washing. Learn how to inspect pointing before quoting, manage absorption, and protect your business from costly repointing claims.