How Can I Tell If My Concrete is Dry?

A protimeter can be used to measure the amount of moisture in the concrete slab

Concrete Curing Concrete first cures before it dries. Curing is a process where crystalline fibres are grown. Addition of water is vital for this process to occur.  As curing occurs the concrete hardens. CaO / SiO2 /AL2O3 /Fe2O3 + H2O -> 3 CaO.2SiO2.4 H2O Concrete can cure even if it is 100% submerged in water.…

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What Are Those Black Marks Around Air Vents?

Black marks around air vent

It is common for offices and homes to have black marks surrounding the vents on the ceiling. Sometimes this is misattributed to mould, but is usually a sign that there is fine particulate present in the air. It gathers around ceiling vents due to static electricity, air flow and the condensation of water. Particulate Inside…

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Fire-Damaged Properties – A Risk To Health

Smoke falling on office desk

Risks to Health There exists a significant risk to health after a fire has been extinguished.  Toxins such as dioxins, hydrogen cyanide, acrolein, formaldehyde, volatile organic compounds (VOCs) and many other toxins can be expected to be present and be a risk to health. Our blog post on the Air Quality in the Auckland Fire…

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Why Ask for OHSAS 18001 Accreditation?

Bureau Veritas OHSAS 18001 Certification

K2 Environmental are a nationwide supplier of all testing related to air quality. We provide a variety of services including: Asbestos Surveying and Testing Methamphetamine Screening (properties) Emissions and Stack Testing Noise Measurement and Testing Biological Testing (Fungus, mould and bacteria) Ambient Air Tests Silica Dust Assessment and Silica Testing Welding Fume Assessments and Welding Fume…

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Environmental Testing Companies

Dust testing at the workplace

Are all environmental testing companies created equally? The changes in the Health and Safety at Work Act (HSWA) has initiated the increased need for: Air quality testing Noise testing Mould testing Meth testing Asbestos testing and surveying Environmental Testing – Is cheapest best? If you are looking for a company that can deliver environmental testing,…

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Mould in Homes

Steam Cooking can cause a moisture and mould problem in the home

How to Reduce the Risk of Mould Mould is caused by excess moisture. This moisture can be caused by unusually high humidity (damp air), condensation, as well as leaky pipes and roofs. If the excess moisture is eliminated, so is the source of the mould. Moisture Inside a Dwelling Increases: The risk of mould and…

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