Why Demden

BEST IN CLASS PRODUCTS

We seek out only the best that concrete technology has to offer, cherry-picking products that are the best in their class.

Every one of our products is backed by quality technical support, leading-edge international research, and results we can stand behind.

Demden has been the exclusive NZ distributor of Denka CSA shrinkage compensating cement since 1968,  and is also the exclusive NZ distributor of Tech-Dry masonry waterproofing and the world-leading concrete repair and protection range, Xypex .

SERVICE & SUPPORT

We’re a small team by design. It means that when you work with Demden, you can expect great personal service, close consultation and support. It’s what has built our business over the past 40 years.

And though our team may be small, we’re supported by the international brands and partners who have chosen Demden, exclusively, to be their New Zealand representatives.

TECHNICAL EXPERTISE

We seek only the best products that concrete technology has to offer, products from companies who offer robust technical support. Working with a small portfolio of premium products also means that we can become experts in each of them.

When you choose Xypex or any of our other products, you can be sure of in-depth and freely accessible technical advice.

CONCRETE SPECIALISTS

We are market leaders in concrete technology - no other company has our class of product range, nor our depth and breadth of experience in this highly specialised industry.

For over 40 years, we have been the trusted advisors to New Zealand’s best concrete and construction companies, supplying our own product range and sourcing specialty products when needed.


Have a question? Ask Demden - leaders in concrete technology

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