Deck Chair

Smarter Membrane Decking Systems


Adjustable Joists

If you need to install a deck over a membrane while meeting code compliances for drainage and entry height requirements, you have just discovered the fastest, easiest and most durable solution.

The Deck Chair adjustable joist system is made from post-treated LVL timber components and assembled in factory, ready to go with composite rubber joist mounts already attached. This product is ingenious, and is guaranteed to last for decades.

The joists come in 1200mm module lengths that connect together. These are adjustable for 0–2 degree falls. Quick and simple installation saves time and money, and delivers a perfect result every time.

Enjoy peace of mind with stable performance for many years whilst also protecting your membrane surface.

  • A cost-effective, supportive substructure for laying decks over concrete and membrane surfaces
  • Allows level entry, meeting code compliance for drainage and entry height requirements
  • Joists made of a post-treated LVL (Laminated Veneer Lumber) that won’t warp or twist
  • Mounts are made from a composite rubber derived from recycled car tires
  • Customers have reported with 100% unanimity, how simple and effective the Deck Chair system is

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About Us &

What We Do


Working with progressive Builders, Designers, Developers and Distributors, Trade Innovations is challenging tradition to change how we build in NZ.

Combining select Innovative Products, to create smarter building structures, and raise the standards within the New Zealand building industry.

When buildings are constructed with the products in our range, they will outperform and outlast those built with standard products. In many cases with no additional cost.


Trade Innovations partners with leading industry professionals to set a new standard in construction.

The Builders, Architects and Developers that have joined our Innovation Partnership are committed to delivering better performing buildings for their customers.

Join us on this journey

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High quality fibre cement with a smooth finish. Simple to install and very cost competitive.

The Roofing Store is an industry leading architectural roofing and cladding company.

Pre-formed, adjustable joists that provide a level sub structure and the simplest solution for decking over membrane decks.

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