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Building decks over concrete slabs and patios has traditionally presented challenges in achieving proper height and leveling for bearers and joists. Our new range of adjustable Bearer and Joist Supports simplifies this process. We offer solutions for building decks from 100mm to 600mm in height.

AJH Adjustable Joist Support

The Adjustable Joist Support (AJH) is designed specifically to enable decks to be easily built over concrete slabs in areas where limited ground clearance is available. It is ideal for situations where the step-down from your door to your concrete slab is between 100mm (minimum) and around 230mm (maximum). The AJH keeps your joists off the concrete to prevent unwanted moisture ingress, which in turn prevents joist rot from occurring through the bottom of your joists.

MPS Multi-Purpose Support

The Multi-Purpose Support (MPS) is designed as a mid-sized support with excellent adjustability, strength, and versatility. It can be used with either bearer or joist combinations, or with joists alone. The MPS provides top-of-joist/bearer heights ranging from 180mm to 430mm above the existing concrete surface.

ABS Adjustable Bearer Support

Setting up leveling posts and bearers for your deck structure can be tedious and time-consuming, but not with the Adjustable Bearer Support (ABS). ABS is suitable for use in situations where decks are typically 300mm to 600mm off the ground. These heights are achieved by using different height joists and bearers. The ABS has a variety of uses, including building ramps, stairs, post supports, and adjusting the rafter support to achieve the pitch on a skillion roof.

Explore our new range of adjustable Bearer and Joist Supports! Call your local Area Manager for a free consultation or Request a Demo on our website.


Structural Connections


Unmatched Quality from the Truss to the Foundation

With nearly 60 years of field and R&D experience, Simpson Strong-Tie® timber connectors are manufactured to the industry's highest standards. From framing angles to straps to heavy-duty joist hangers, we offer the most diverse product line so that you have the right product for the job.

Simpson Strong-Tie® connectors offer unmatched quality with laboratory and field testing, and are backed by our uncompromising commitment to customer service. As the company that built the connector industry, you can count on Simpson Strong-Tie® to work closely with builders, engineers and building officials to deliver innovative, building code-compliant solutions to help build safer, stronger structures economically. Download the Timber Connectors NZS 3604 Catalogue.

Timber Connectors

From testing to service to availability, everything we do is engineered to ensure your project's success. With every product, you know you are getting the quality, value, service and on-time delivery that we have built our reputation on for the past 60 years.

From straps and ties to joist hangers and much more, Simpson Strong-Tie® structural connectors increase the strength and safety of timber-frame structures. Each connector is unique to Simpson Strong-Tie and is designed for specific applications without the need to adapt metal plating to suit a connection. Download the Timber Construction Connectors Catalogue (2016-2018).

Steel Frame Connectors

From fully tested and engineered connectors and clips Simpson Strong-Tie® provides comprehensive structural solutions for cold-formed steel construction. From steel-to-steel connections to full-scale lateral solutions and curtain wall connectors, we remain committed to developing new technology that helps to advance the cold-formed steel industry.

Find out how Simpson Strong-Tie timber connectors can help you build the right way every day. Download the Cold-Fromed Steel Construction Connectors Catalogue.



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