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Our waterproofing specialists can protect your property from water damage.  

All roofing, bathrooms, wet areas and many walls need to be waterproofed to stop moisture from seeping into the interior of a building.

Sometimes, this waterproofing fails. ARA Building Services team of experts can remedy failing waterproofing and protect your property or business from water damage. 

Before recommending the best waterproof membrane covering in any project, our team assess the location of the building, as well as its construction and primary use.

Selecting the correct type of membrane is vital for each project is vital and there is no one membrane that fits all requirements. Whichever membrane is used, the membrane coating is only as good as the substrate to which it is applied and the person applying it. 

The team at ARA Building Services recommend and purchase only the most suitable products from long-established, proven manufacturers and always apply the products strictly to the manufacturer’s specifications. 

We provide two main forms of floor and wall membranes and flat roof membranes:

1. Sheet membranes
Sheet membranes are excellent for high traffic areas and have good long term qualities. They are supplied in manageable sizes and are overlapped and bonded by gluing or heat welding them together. 

2. Liquid membranes
Liquid membranes form a fully bonded and continuously seam free layer with no joins. These membranes are easily applied, flexible and can be UV resistant. Maintenance and repair for this type of membrane is relatively easy and it also has the ability to breath and is cost effective.

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Reliable solutions for a range of clients

ARA Building Services is a leading New Zealand supplier of building maintenance services, asset management and construction services. We work with large and small educational, retail, commercial and industrial, and government facilities across New Zealand providing comprehensive construction and building maintenance and repairs in three key capability areas:

Commercial fit-out

Constructing quality, functional spaces with attention to detail.

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Remedial construction

ARA Building Services are the leading providers of remedial construction services, offering custom solutions to tackle a wide range of structural issues in buildings.

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Maintenance services

From routine servicing and preventive maintenance to emergency repairs and system upgrades, our team is fully equipped to handle a wide variety of maintenance tasks.

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Industry Specialisation

ARA Building Services is a versatile provider of building maintenance and remedial construction solutions, serving a diverse range of sectors including commercial, retail, government and education. 



From planned maintenance services to full retail shop fit-outs.



ARA Building Services provides long-term savings to the education sector using innovative service models.



ARA Building Services’ skills, processes and focus on safety ensures we provide quality building and maintenance work for government departments.



ARA Building Services undertakes a range of commercial projects – from commercial fit-outs to remedial construction and maintenance services on commercial buildings.