Celebrating
30+ Years
- Est. 1995
Black mould in the home or workplace isn’t just unpleasant — it can pose serious health risks.
Our AR Plus team provides certified black mould testing, safe removal and remediation for residential, commercial, and public buildings throughout the Bay of Plenty, Waikato, Rotorua, Coromandel and surrounding regions. We’ll help restore your indoor environment and help manage the problem.
Mould thrives in damp, poorly ventilated areas — and it’s often hiding where you can’t see it. Common triggers include:
Mould growth indoors can go unnoticed until it starts affecting health, comfort, or the condition of a space. AR Plus works with a wide range of clients to identify the source, assess the risk, and remediate it safely.
Homeowners dealing with persistent dampness, musty odours, or unexplained health issues
Property managers and landlords maintaining tenant wellbeing, reducing liability, and meeting healthy homes standards
Schools, early learning centres, and public facilities ensuring indoor air quality meets safety expectations
Commercial operators managing shared workspaces, retail areas, or accommodation with public exposure
Builders and renovation teams needing mould removal before continuing with internal linings or fit-outs
Insurance providers and loss adjusters seeking reliable, professional remediation for moisture-related claims
We tailor every job to the building type and its occupants, and we’re happy to work in stages to suit your project schedule.
Infants, older adults, and people with existing health conditions or weakened immune systems are often more vulnerable.
Certain types of indoor mould, particularly Stachybotrys chartarum (commonly known as black mould), release microscopic spores that can irritate the lungs, trigger allergies, or worsen chronic health conditions
Our team regularly treats properties where occupants are experiencing:
Just because the visible mould is gone doesn’t mean the problem’s solved. Mould growth is often far more widespread than what’s seen on the surface.
Many people attempt to clean visible patches with bleach or paint over them, only to have the mould return, or health symptoms persist. That’s because mould spores thrive in dark, damp spaces that are hidden from view, like behind walls or under floors.
At AR Plus, we assess each property based on its construction and its day-to-day use. We use specialist tools — including moisture meters, thermal imaging, and air sampling — to pinpoint exactly where mould is hiding before we formulate a safe and effective remediation plan.
Common hidden areas where mould is often found include:
Behind walls, wallpaper, or splashbacks
Inside ceiling cavities and roof spaces
Under vinyl, carpet, or bathroom tiles
Basements and subfloor areas
Inside cabinetry, wardrobes, or hot water cupboards
Around window frames, skirting boards, or dark corners
If you’ve noticed persistent dampness, musty odours, or ongoing health issues in the building, there may be a deeper, concealed problem that needs professional attention.
We follow a multi-stage process to ensure clean, long-lasting results.
AR Plus has also recently gained certifications with the ASBB (Australasian Society of Building Biologists) and IICRC, adding further depth to our expertise in mould testing, indoor environmental quality, and remediation. Combined with our Telarc certification and SiteWise Gold rating, these credentials give clients confidence in the safety, quality, and professionalism of every job.
In older buildings, mould may be growing on materials that contain asbestos, such as fibre cement linings, vinyl flooring, or textured ceilings. Disturbing these areas without proper testing can release harmful asbestos fibres into the air.
Our team can arrange third-party testing, and if asbestos is found, we’ll take care of safe removal through our licensed asbestos division.
We remove and restore old or sagging ceilings before repainting.
See our Ceiling Restoration page.
We tackle all interior painting projects, residential and commercial.
 Visit our Interior Painting page.
Surface cleaning mould with bleach may remove stains, but won’t address the underlying moisture or spore problem. DIY cleaning can also release spores into the air without proper safety gear or ventilation. For more info, check out our article Can Bleach Kill MouldÂ
Signs you may have mould behind the walls include a musty smell, discoloured paint or bubbling plaster, and respiratory symptoms. Our team can inspect and test hidden areas using moisture meters and air sampling.
Yes, mould testing is necessary, especially if you're unsure of the mould type, have health symptoms, or suspect contaminated materials. It helps determine the scope of treatment and the safety measures required.
Mould will not grow back after treatment if the source of moisture is fixed. We advise you on the next steps to prevent regrowth, including ventilation, drainage, or material upgrades.
Absolutely! We can handle repairs after mould removal. We offer interior painting, gib repair, ceiling restoration, and plastering to get your room back to normal.
If mould is growing on asbestos, we’ll stop work and advise you on asbestos testing options. If asbestos is present, our AR Plus asbestos team are certified to safely remove it.
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