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Guides from the field

Practical, reviewed guides on biohazard clean-up, mould, flood, fire and trauma. Written by the One Prime team.

Biohazard Decontamination
·8 min read

Sewage Backup Health Risks: Why Professional Clean-Up Matters

A sewage backup is a Category 3 biohazard, not a bad-smelling mess. What lives in wastewater, what has to be thrown out, and how to make your home safe again.

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Biohazard Decontamination
·10 min read

Meth Lab Contamination: Health Risks, Testing and Remediation in Australia

Police remove the equipment — but the chemical residue stays, sometimes for years. What Australia's remediation guidelines say about testing and making a former meth lab safe.

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Flood & Fire Cleaning
·9 min read

What to Do After a Flood: The First 24 Hours

Electrical safety, contaminated water, insurance photos, fast drying — the first day after a flood decides how much of your property can be saved.

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Microbial Remediation
·8 min read

How Fast Does Mould Grow After Water Damage?

Health authorities advise drying water-damaged areas within 24–48 hours to prevent mould. Here's why that window matters, and what to do if you've missed it.

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Biohazard Decontamination
·9 min read

Hoarding Clean-Up: A Compassionate Guide for Families

Hoarding is a recognised mental health condition — and sudden forced clean-outs usually make things worse. How to help someone safely, and what professional support looks like.

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Trauma Cleaning
·8 min read

Who Cleans Up After a Death in NSW?

It surprises most families: NSW Police don't clean up after a death or crime. Here's who is responsible, why DIY is dangerous, and the support available.

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Flood & Fire Cleaning
·4 min read

Understanding a Water Damage Restoration Process

From the first moisture reading to the final coat of paint, here's how professionals restore a water-damaged home — and why every hour counts.

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Trauma Cleaning
·3 min read

How Crime Scene Cleanup Works – An Overview

Police and paramedics don't clean up after a crime or death — that job falls to the family. Here's how professional crime scene cleaners take it off your hands.

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Flood & Fire Cleaning
·3 min read

How to Handle a Flooded Basement

Soaked carpet, floating boxes, no idea where to start? Here's the safe, step-by-step way to get the water out of your basement and stop mould before it starts.

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