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Healthy Plasterboard, Healthy Homes and a Healthy Environment

Winstone Wallboards has made some big steps forward over the last 15 years to ensure as an organisation, they make better use of their existing materials to reduce, reuse and recycle where they can. Ultimately, GIB are focused on contributing positively towards the creation of healthier homes in New Zealand as well as reducing their impact on the environment.

Making the most of how GIB products are made

GIB looks at every part of the manufacturing process to see what can be done to make their products have less impact on the environment, from controlling water discharge that includes suspended solids to removing the need to use solvents containing halogenated hydrocarbons.

The wide range of GIB plasterboard lengths and widths that are readily available helps to reduce wastage. GIB has also introduced initiatives like the GIB cut-to-length service (minimum order quantity and lead times apply) to reduce the amount of waste that could potentially end up in landfill. These services allows builders to order the most efficient lengths and reduces the finishing time — a win-win for everyone.

Getting gypsum back to basics

Plasterboard is comprised mostly of naturally occurring gypsum, which is blended with 100% recycled paper and small quantities of other ingredients. Gypsum is infinitely recyclable and converting it back into plasterboard as well as gypsum products like compost not only enriches New Zealand soils, but acts as a super growth booster for fruit such as avocados.

As well as recycling plasterboard manufacturing waste into composting materials, GIB's Tauranga manufacturing plant will also have an onsite recycling facility which will enable GIB plasterboard to include a portion of recycled gypsum, with the expectation that this will grow over time.

In 2019, GIB introduced onsite plasterboard recycling services in the Auckland region in partnership with Green Gorilla, which now recycles around four million kilograms of plasterboard from building sites each year.

Partnerships have also been expanded into other part of New Zealand too, and plasterboard recycling services are now available in the Waikato, Nelson, Christchurch and Central Otago regions with hopes of more operators coming on board in the future.

Environmental performance

Global GreenTag is one of the world’s most robust, trusted and widely recognised certification programmes, with products tested against sustainability criteria like greenhouse gas emissions, health and ecotoxicity as well as analysis on the lifecycle of a product.

Winstone Wallboards received GreenTag Level A Certification for six of GIB's products, including GIB Standard, GIB Fyreline and GIB Noiseline, and Level C Certification for GIB Ultraline, GIB X-Block products. This is thanks to huge efforts across the entire Winstone Wallboards team to ensure GIB's products continue to meet high standards of environmental performance.

GIB Aqualine, GIB Weatherline, GIB Barrierline, GIB Toughline and GIB Toughline Aqua products also hold GECA (Good Environmental Choice Australia) Ecolabel certification, which is a recognised multi-sector ecolabelling program across New Zealand and Australia that supports significant improvement in the sustainability of products.

The Environmental Product Declaration (EPD) for GIB plasterboard has also recently been updated and renewed. The EPD quantifies the environmental performance of GIB plasterboard including its carbon footprint, embodied energy and other environmental data.

GIB are well on their way to not only significantly reducing their own environmental impact but also helping the sector work more efficiently by repurposing and reusing waste construction plasterboard, which is not only good for our environment, but good for New Zealand homes too.

Want to know more?
Find out more about Winstone Wallboards approach to sustainability and the environmental performance of GIB products here.

View more information on GIB, including contact details.
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October 2023 EBOSSNOW Product News

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