エピソード

  • Why Pressure Washing Can Ruin Roof Tiles

    Why Pressure Washing Can Ruin Roof Tiles
    2026/07/14
    This episode explains why roof tile manufacturers warn against high-pressure cleaning, from water intrusion and coating damage to premature aging. It also shows why softwashing and low-pressure methods better protect the roof’s lifespan and warranty.
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    4 分
  • Why High Pressure Destroys Render

    Why High Pressure Destroys Render
    2026/07/14
    This episode breaks down why blasting coloured render with high-pressure washing can cause permanent damage, water intrusion, and costly repairs. It also explains the safer softwash approach: proper identification, testing, dilution, surfactants, and low-pressure rinsing to remove biofilm without ruining the surface.
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    5 分
  • Why Viton Pumps Still Fail: The Hidden Scale Problem

    Why Viton Pumps Still Fail: The Hidden Scale Problem
    2026/07/13
    This episode busts the myth of the “bulletproof” chemical-resistant pump and explains why calcium scale—not just corrosive chemicals—is often what really seizes softwash equipment. It also covers the advantage of external bypass dosing systems and a simple annual descaling routine to keep pumps running smoothly.
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    4 分
  • Why Washing-Up Liquid Kills Your Biocide

    Why Washing-Up Liquid Kills Your Biocide
    2026/07/12
    This episode breaks down why cationic biocides like DDAC and BAC50 are neutralized by anionic detergents, creating useless sludge instead of effective treatment. It also covers the safer choice of non-ionic surfactants and the key compliance rules for runoff, drift, and environmental protection on site.
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    4 分
  • Why Bleach Makes Rust Worse on Patios

    Why Bleach Makes Rust Worse on Patios
    2026/07/11
    This episode breaks down the difference between organic and inorganic stains, explaining why sodium hypochlorite works on algae and moss but can intensify rust and fail on oil or efflorescence. It also covers the safer, stain-specific approach using oxalic acid, alkaline degreasers, proper testing, dwell time, and thorough rinsing.
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    5 分
  • Why Pressure Washing Fails on Lichen and Stone

    Why Pressure Washing Fails on Lichen and Stone
    2026/07/10
    This episode breaks down how lichen and algae burrow into sandstone, brick, and render, causing long-term biological damage that pressure washing can actually make worse. It also explains why softwashing, surfactants, and proper biocide use offer a safer, more effective way to clean and protect surfaces.
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    4 分
  • Wood vs Stone: The Softwashing Pre-Wet Rule

    Wood vs Stone: The Softwashing Pre-Wet Rule
    2026/07/09
    Learn why dry timber can soak up bleach and suffer lasting damage, while bone-dry stone and block paving need concentrated chemical contact for effective cleaning. This episode breaks down when to pre-wet, when to avoid it, and how to protect nearby plants while getting professional results.
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    5 分
  • Why Pressure Washing Fails on Black Spots

    Why Pressure Washing Fails on Black Spots
    2026/07/08
    Learn why high-pressure cleaning can damage sandstone while leaving lichens alive, and why chemistry beats brute force for removing black spots. The episode also covers surfactants, sodium hypochlorite dilution, and essential safety steps for protecting plants and surrounding surfaces.
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    4 分