The Mark Cave Softwashing Podcast

Mark Cave

Practical advice, training and real world guidance from Mark Cave, founder of SoftWash UK, for professional exterior cleaners across the UK.

  1. 19h ago

    Render Cleaning Done Right: Monocouche vs EWI

    This episode breaks down the critical difference between cleaning monocouche render and EWI silicone systems, showing why high pressure can cause costly damage and how controlled softwashing protects the surface. It also covers the role of surfactants, dwell time, site risk assessment, and customer communication in delivering safer, more profitable exterior cleaning jobs.

  2. 1d ago

    Why Rain Is Not a Rinse Plan

    This episode breaks down why “rain will wash it off” is a dangerous myth in exterior cleaning, covering chemical control, vegetation protection, runoff management, and the real costs of poor site practices. It also compares fast-acting sodium hypochlorite with slower biocide treatments, showing how better methods can improve results, client trust, and recurring revenue.

  3. 2d ago

    Safe Softwash Mixing: Dilution, Surfactants, and Site Safety

    This episode breaks down safe and accurate softwash chemical mixing, from the proper water-first sequence to choosing a bleach-stable surfactant and avoiding dangerous splashback. It also covers dilution math, chemical degradation in heat, and why fresh on-site mixing helps maintain compliance and consistent results.

  4. 3d ago

    Cast Stone Sills: The Identification Mistake That Costs Jobs

    This episode explains how to spot cast stone sills and lintels before cleaning, why they react badly to acids and high pressure, and how simple tests can prevent costly surface damage. It also covers safer chemistry, controlled rinse techniques, and test-spot protocols that protect both the substrate and your margins.

  5. 4d ago

    Efflorescence on Brick: Why Bleach Fails

    This episode breaks down why bleach fails on white brick stains, how to identify efflorescence with a quick vinegar test, and the right way to clean masonry without causing rust or damage. It also covers safe acid selection, proper pre-wetting, gentle agitation, low-pressure rinsing, and why fixing the moisture source is essential to prevent the problem from returning.

  6. 6d ago

    Stop Guessing: Precision Softwash Mixing Saves Margin

    Learn why guesswork in softwash batch mixing can wreck margins, cause callbacks, and damage surfaces. The episode breaks down the limits of downstreaming, the risks of topping up tanks, and how calibrated proportioning with a simple bucket test improves accuracy, compliance, and profitability.

  7. Sep 10

    Why Photos Lie: Surface Profiling Before Softwashing

    This episode breaks down why photos can be misleading in softwashing, using a costly real-world misidentification to show the risks of treating the wrong render or masonry with the wrong chemistry. It also covers a practical site-survey process, test patches, and documentation tips that help protect surfaces, improve results, and reduce liability. Show Notes Softwash Contractor Mistakes: 13 Ways to Avoid Them – SoftWash ...: https://www.softwashing.uk/blogs/news/softwash-contractor-mistakes-13-ways-to-avoid-them?srsltid=AfmBOoqxYWut1nOfvLzLH7vOWFwP7Axghd04FuMbTADXewn0_TK3pH_b

  8. Sep 9

    Why High Pressure Ruins Roof Tiles

    This episode explains why high-pressure washing can damage fragile clay and concrete roof tiles, force water beneath overlaps, and create costly leaks and structural problems. It then outlines a safer two-stage softwash process, including manual moss removal, low-pressure biocide application, and the importance of proper training and documentation.

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About

Practical advice, training and real world guidance from Mark Cave, founder of SoftWash UK, for professional exterior cleaners across the UK.

Information

  • Creator
    Mark Cave
  • Years Active
    2022 - 2026
  • Episodes
    135
  • Rating
    Clean
  • Copyright
    © Copyright 2026 The Mark Cave Softwashing Podcast
  • Show Website
    The Mark Cave Softwashing Podcast