Mould Removal & Remediation Malaysia

01PhilosophyDiagnosis before treatment

Wealth buys the address.It does not buy clean air.

Cleanaholics is a hygiene science maison, diagnosing and remediating mould, formaldehyde and biohazard contamination for the principal residences and curated portfolios of the Klang Valley. We identify the exact fungal species through independent laboratory DNA sequencing, the only such service in Malaysia, and remediate to international standards aligned with DOSH ICOP IAQ 2010.

IdentificationFungal DNAThe exact species, sequenced by an independent laboratory.
ReferenceICOP IAQ 2010Malaysia's code of practice on indoor air quality, issued by DOSH.
ProofLaboratory swabsTaken after remediation, before an engagement is closed.

02Where to beginFour ways in

Start with what you are noticing.

Most people arrive with one of four concerns. Each leads to the same first step: a measured inspection, delivered in writing.

03MethodFive stages, each documented

How professional mould remediation works.

The aim is not only to remove visible mould but to correct the moisture source so it does not return. Each stage is documented so the result is verifiable.

01
Inspection and moisture mapping
A hygiene inspector locates active growth and the moisture source using thermal imaging and moisture metering.
02
Containment
The affected area is sealed to stop spores spreading to clean rooms during works.
03
HEPA extraction
HEPA-filtered vacuums and air scrubbing capture airborne spores.
04
Removal and treatment
Contaminated material is removed and surfaces receive anti-microbial and nano-coating treatment.
05
Verification
A final check confirms the mould is gone and the moisture source is corrected so it does not return.

Mould remediation in full Inspection methodology

The Cleanaholics principle

Why renovate when you can remediate?

One renews what you can see. The other understands what sits underneath.

Renovation is one step. Remediation is the discipline

04ExpertiseSix disciplines

Six forms of hygiene science, one accountable engagement.

I

Mould Remediation

Thermal mapping, fungal DNA sequencing, HEPA-13 containment, post-remediation verification to DOSH thresholds.

II

Formaldehyde Removal

Post-renovation VOC neutralisation through nano-photocatalytic treatment, verified by air-quality testing.

III

Biohazard Treatment

Discreet decontamination and restoration under strict confidentiality and clinical-grade protocols.

IV

Indoor Air Quality

CO₂, HCHO, TVOC, PM2.5 and humidity logged room-by-room against the regulatory framework.

V

Commercial Engagements

Offices, hotels, healthcare and serviced residences: by private brief, under NDA, around your hours.

VI

The Hygiene Diagnostic

A Senior Hygiene Inspector attends with laboratory-grade instruments and delivers a written diagnostic.

Specialist responseWater Damage & Sewage Contamination Restoration Disinfection All services

05EvidencePublished records

Most contamination is invisible.

10 to 50%

The share of indoor environments affected by dampness in Europe, North America, Australia, India and Japan, as estimated in the World Health Organization's Guidelines for Indoor Air Quality: Dampness and Mould, with conditions more severe in settings such as river valleys and coastal areas. The fact that you cannot see or smell it does not mean it is absent, only that it has not yet been diagnosed.

Inspection Record 01Kuala LumpurSeptember 2026

The leak was fixed. The smell stayed.

A condominium in Kuala Lumpur, thirty years old, with a leak from the unit above that had been stopped and a kitchen that had been scraped, patched and repainted a month earlier. The musty odour never left. In two hours on site, the instruments explained why.

On site, room by room: 2hrs
Rooms air-tested: 4
Wettest slab reading (0 to 1000): ~1000
Instruments used: 5

Thermal imaging

Exposed pipework at the common toilet, in normal light

Thermal image of the same pipework, an even 27.5 to 30.9 degree band with no cold wet zone

Drag across the image. The thermal camera shows an even 27.5 to 30.9 °C band with no cold wet zone. Thermal imaging found no active leak, so this is retained moisture rather than a running one.

Moisture in the slab

Wettest point~1000
Along the slab800
600
460
Tapering354
287
239
220
Dry boundary166

0Wet above 2001000

Protimeter readings on a 0 to 1000 scale: Dry to 100, At Risk to 200, Wet above 200. Values near 1000 mean the concrete is still carrying significant moisture roughly a month after the surface repair. The slab has not dried.

The air, measured room by room

Room	Temp °C	RH %	CO₂ ppm	PM2.5 µg/m³	PM10 µg/m³	HCHO mg/m³	TVOC mg/m³
Kitchen	31	63	1145	49	71	0.040	0.06
Living room	28	67	1008	46	65	0.015	0.29
Master bedroom	30	62	993	50	74	0.045	0.05
Office / study	27	54	906	44	61	0.013	0.06

Indicative readings taken with the unit closed, as found. PM2.5 and PM10 in µg/m³; formaldehyde (HCHO) and TVOC in mg/m³. Marked carbon dioxide above 1,000 ppm, which the DOSH code treats as a sign of inadequate ventilation; the record puts it down to a closed, sealed unit at the time of inspection.

Humidity on the high side. Relative humidity sits in the low-to-mid 60s in the kitchen, living room and master bedroom, a condition that favours mould.
Carbon dioxide, mildly elevated. Roughly 900 to 1150 ppm, highest in the kitchen. Gentle ventilation resolves this.
Dust particulates, raised. PM2.5 and PM10 read above guideline in every room, highest in the kitchen and master bedroom.
Formaldehyde and TVOC, low. Both within comfortable levels throughout. No chemical air-quality concern.

Field reports, written from the inspection file

All field reports

Case studies Wellness Home case study

06VerificationSavoir-faire

Remediation is not complete until it is verified.

Every engagement closes with independent post-remediation laboratory swabs, confirming species levels below regulatory thresholds. It is the only standard of proof that separates a maison from a vendor.

Wall swabs, labelled by location
Plates read with the homeowner
Each plate dated and timed

On site, sampled with the homeowner present.

07The standardDOSH ICOP IAQ 2010

The limits we measure against.

Malaysia's Industry Code of Practice on Indoor Air Quality 2010, issued by the Department of Occupational Safety and Health (DOSH), sets an acceptable range for the air inside a building. These are its figures, as printed in Tables 1 and 2 of the code.

Indoor air quality assessments by Cleanaholics are aligned with this code, so findings are measured against a recognised standard rather than opinion.

Read the code (PDF)DOSH IAQ questions, 2025

Table 1 of the code. Acceptable range for specific physical parameters.
Physical parameter	Acceptable range
Air temperature	23 to 26°C
Relative humidity	40 to 70%
Air movement	0.15 to 0.50m/s

Table 2 of the code. Limits are eight-hour time-weighted averages. The carbon dioxide figure is a ceiling limit, not to be exceeded at any time; readings above it indicate inadequate ventilation. An excess of bacterial or fungal counts does not necessarily imply a health risk but serves as an indicator for further investigation.
Indoor air contaminant	Acceptable limit
Carbon dioxide ceiling, ventilation indicator	1,000ppm
Carbon monoxide	10ppm
Formaldehyde	0.1ppm
Ozone	0.05ppm
Respirable particulates	0.15mg/m³
Total volatile organic compounds (TVOC)	3ppm
Total bacterial counts	500cfu/m³
Total fungal counts	1,000cfu/m³

New, at home

Know what grows in your home.

A home mould screening kit you watch grow, read by our hygiene team. From RM988.

Discover MouldSnap

08RecognitionCertification and press

The healthy-handover standard

The seal is the standard.

Our certification stamp is issued only when a property is verified clean to the DOSH ICOP IAQ 2010 framework. The mark is the proof.

Institute of Hygiene Science, IHS Certified Firm seal

Institute of Hygiene ScienceCheck the firm and its inspectors on the public register

Recognised by Malaysia's national press.

Media and press

The long view

A home is not restored for today.You are investing for the next generation.

The finest residences are cared for once, properly, at the beginning. What that protects is not this year. It is everyone who lives here after.

09QuestionsAnswered by the inspection team

Mould, formaldehyde and air quality, answered plainly.

Answers reviewed by Mr. Vin, Senior Hygiene Inspector.

All questions and answers

How can I tell if my Malaysian home has a mould problem?

Common signs are black, green or white patches on walls, ceilings and grout, a persistent musty smell, peeling paint, and allergy or asthma symptoms that worsen indoors. Malaysia's humid tropical climate keeps indoor humidity high, which lets mould (mold) grow on gypsum ceilings, wardrobes and behind furniture. A professional inspection with moisture metering, and laboratory testing where needed, confirms whether the growth is active and which species are present.

Is black mould dangerous to health?

Black mould can release spores and, in some species, mycotoxins that are linked to respiratory irritation, allergic reactions and aggravated asthma, with children, the elderly and immune-compromised people most at risk. The World Health Organization's Guidelines for Indoor Air Quality identify indoor dampness and mould as a genuine public health concern. Cleanaholics identifies the exact species through fungal DNA testing rather than guessing from colour alone.

How does professional mould remediation work?

Remediation follows a controlled sequence: inspection and moisture mapping, containment of the affected area, HEPA-filtered extraction of spores, physical removal of contaminated material, anti-microbial and nano-coating treatment, then a final verification check. The aim is not only to remove visible mould but to correct the moisture source so it does not return. Each stage is documented so the result is verifiable.

Why does mould keep coming back in Malaysian homes?

Recurring mould is almost always a moisture problem, not just a cleaning problem: condensation from air-conditioning, roof or plumbing leaks, poor ventilation and high indoor humidity. Wiping the surface removes the stain but leaves the root cause, so growth returns within weeks. Lasting results require fixing the moisture source and, where appropriate, applying a protective anti-mould coating.

How much does mould removal cost in Malaysia?

Cost depends on the size of the affected area, the material involved and the underlying moisture cause, so Cleanaholics scopes every remediation from a hygiene inspection rather than quoting a flat figure sight unseen. The inspection measures the real extent of the problem and produces a documented plan, so you pay for the actual work required rather than a generic package.

What is formaldehyde and why should it be removed after renovation?

Formaldehyde is a volatile organic compound released by new plywood, laminates, adhesives and furniture, and it can cause eye, nose and throat irritation, headaches and longer-term respiratory concerns. Levels are highest in the months after a renovation, and Malaysia's warm indoor conditions increase off-gassing. Professional VOC treatment uses catalytic and nano-coating methods to break formaldehyde down rather than masking the smell.

What is fungal DNA testing and why does it matter?

Fungal DNA testing identifies the exact mould species present by sequencing genetic material from a sample, instead of estimating from colour or appearance. This matters because different species carry different health risks and need different treatment, and some toxic moulds look harmless. Cleanaholics is the only company in Malaysia offering both fungal DNA testing and mycotoxin analysis.

Does Cleanaholics follow any Malaysian indoor air quality standard?

Yes. Indoor air quality assessments are aligned with Malaysia's DOSH Industry Code of Practice on Indoor Air Quality 2010 (ICOP IAQ 2010), the national reference for indoor environments, and Cleanaholics is certified through the Institute of Hygiene Science. Findings are measured against a recognised standard rather than opinion.

10By consultationKuala Lumpur and Selangor

An engagement, arranged privately.

Every project: Begins with an on-site hygiene diagnostic, delivered in writing.
Confidentiality: Absolute. Commercial and private work is conducted under NDA.
Availability: Open 24 hours, 365 days a year. We reply faster than any firm in our field.
Capacity: Limited annual capacity, by private appointment across Kuala Lumpur and Selangor.