Black Mould Dangers: Safe Procedures for Black Mould Removal in Houses

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Christchurch father who lost son in 2011 earthquake fears black mould in HNZ house harming kids

Grant Smith, with 4-year-old daughter Jennifer and partner Linda Philip, have fears that black mould in their Housing NZ home is harming their health.

By: Kurt Bayer NZ Herald reporter based in Christchurch, 18-September-2017

A Christchurch father who lost a baby son in the February 2011 earthquake fears that black mould in his Housing New Zealand house is harming his children's health.

Since Grant Smith's 8-month-old Jayden Harris died when a television fell on him during the quake, his family has been moved around three HNZ properties.

For the last four years, Smith's family-of-seven has lived in a three-bedroom house in the eastern suburb of Aranui.

But Smith is concerned that toxic black mould (Stachybotrys chartarum), growing on the walls of the state-owned house, including in bedrooms and the lounge, is affecting the health of his five children.

His concerns appear to be supported by his family GP who, after seeing 2-year-old Benjamin Smith, wrote a letter saying: "This lad and the family should not be living in their current house because of mould. Help in finding a suitable house is appreciated."

However, Smith and his partner Linda Philip are unhappy with HNZ's response to their black mould concerns.

An offer to attempt to clean the greenish-black fungi has been rejected by the Smiths.

They just want out.

"The kids are constantly sick," said 36-year-old yardman Smith.

"We've had nothing but bad luck with this house."

Black mould in Grant Smith's Housing NZ home in Christchurch. Photo / Kurt Bayer:

The children - Stephanie, 9, Vanessa, 8, Latesha, 7, Jennifer, 4, and 2-year-old Benjamin - are repeatedly ill with colds, flus, ear infections, and skin irritations, Smith says. His daughters suffer from febrile convulsions when under the weather.

Smith, who has his late son Jayden's name and date of birth tattooed on his right arm and initials on his neck, is terrified of losing another child.

"We need to get out of this house. We just want the best for our kids," he said.

Housing New Zealand inspects all of its properties at least twice a year.

Area manager Fraser Benson said staff gained access to the house in late July after Smith had cancelled several earlier appointments.

"This inspection noted the inside of the house was not very clean and cluttered with various possessions - both factors which can contribute to mould," Benson said.

"Our staff noted mould in one bedroom and immediately logged a job so this could be addressed."

But Smith was not at home for contractors and doesn't believe the problem can be fixed.

The lack of cooperation is "frustrating and confusing" for Benson who says, "We are here to help and want to resolve this issue".

"Our staff have previously given Mr Smith some helpful tips and advice on how to deal with this. He was also advised on the best way to ventilate the property and to de-clutter his house," Benson said.

Leak-loving toxin

• Stachybotrys chartarum is a toxic mould associated with leaking buildings in New Zealand in recent years.

• The mould is caused by leaks that originate outside the building and from leaks within wet areas in buildings.

• Stachybotrys is a greenish-black mould that grows on materials that contain cellulose. Finding Stachybotrys in a building does not immediately mean that the building occupants have been exposed to allergens or toxins.

• While Stachybotrys is growing, a wet slime covers the spores, preventing them from becoming airborne. Exposure will only occur when the mould has died and dried up.

Source: BRANZ, an independent and impartial research, testing, and consulting organisation aiming to help the building and construction industry provide better buildings for New Zealanders.

Safe Procedures for Black Mould Removal in Houses

Black mould, scientifically known as Stachybotrys chartarum, poses serious health risks when it infiltrates homes. It can cause respiratory issues, allergic reactions, and other severe health problems. Addressing black mould promptly and safely is crucial. Here’s a comprehensive guide on the safe procedures for black mould removal in houses.

1. Initial Assessment and Inspection

The first step in addressing black mould is a thorough inspection. Certified professionals from Safety 1st Removals (www.Safety1stRemovals.co.nz) conduct a detailed assessment to identify the extent of the mould infestation and the underlying causes, such as moisture problems.

2. Containment and Preparation

To prevent the spread of mould spores, affected areas must be properly contained. This involves sealing off the contaminated area with plastic sheeting and setting up negative air pressure systems. This step ensures that mould spores do not spread to other parts of the house.

3. Personal Protective Equipment (PPE)

Professionals handling black mould must wear appropriate PPE, including respirators, gloves, goggles, and protective clothing. This equipment protects them from inhaling or coming into contact with harmful mould spores.

4. Moisture Control

Identifying and addressing the source of moisture is crucial. Whether it’s a leaky pipe, roof leak, or high humidity levels, eliminating the moisture source prevents future mould growth. Safety 1st Projects Ltd emphasizes the importance of moisture control in their remediation plans, ensuring long-term solutions.

5. Safe Mould Removal Techniques

Different methods are used to remove mould depending on the severity of the infestation:

• HEPA Vacuuming: High-Efficiency Particulate Air (HEPA) vacuums are used to remove mould spores from surfaces.
• Wet Wiping: Surfaces are cleaned with a mixture of water and detergent to physically remove mould.
• Removal of Contaminated Materials: Severely affected materials such as drywall, insulation, and carpeting may need to be removed and disposed of properly.

6. Disposal of Contaminated Materials

Contaminated materials are sealed in airtight bags and labeled as hazardous waste. These materials are then disposed of in compliance with local regulations. Safety 1st Removals ensures that all disposal practices meet the standards set by the New Zealand Demolition and Asbestos Association (www.nzdaa.co.nz).

7. Air Filtration and Ventilation

Using air filtration devices with HEPA filters, professionals clean the air of mould spores. Improving ventilation in the affected area also helps to eliminate lingering spores and prevent future mould growth.

8. Surface Treatment

After removing the mould, all affected surfaces are treated with antimicrobial solutions to kill any remaining spores. This step helps to prevent mould from returning.

9. Post-Remediation Testing

To ensure that the mould has been completely removed, post-remediation testing is conducted. This involves air quality testing and surface sampling to confirm that the area is safe for re-occupancy. Safety 1st Projects Ltd provides thorough testing to ensure complete remediation.

10. Preventive Measures

Implementing preventive measures is key to avoiding future mould problems. This includes maintaining proper humidity levels, ensuring adequate ventilation, and regular inspections of potential moisture sources.

Addressing black mould requires expertise and meticulous attention to safety. For reliable and professional black mould removal services, visit www.Safety1stRemovals.co.nz. Trust the experts at Safety 1st Projects Ltd to handle your black mould concerns with the highest standards of safety and compliance.

By following these safe procedures, homeowners can effectively manage and eliminate black mould, ensuring a healthy living environment