Welcome to Silca System

Silca System interlocking, structural deck grates are specifically designed for the support of heavy finished surface materials over elevated deck structure.

Manufactured in New Zealand from 100% recycled materials, our grates offer a robust, durable solution for installing tiles or pavers at any elevation.

Silca Grates connect together and are securely fastened directly to timber or aluminium deck joists. This provides a solid, flat, permeable surface to install various paving materials such as tiles, natural stone, heavy pavers, artificial turf or porcelain.

Silca System enables a free draining finished surface and air circulation beneath, preventing moisture buildup in the substructure and ensuring the longevity of the decking element. Suitable for standard elevated decks or those floating over membrane,

Compliance to B1/VM1 and B2 of AS/NZS1170.1. and E2/AS1 Permeable surface – level entry through threshold.  Silca System is an environment-friendly patio solution for both residential and commercial applications.

Read More About us here

Designing a Deck

For architects and designers, Silca System can be incorporated into almost any deck design. Achieve a PERMEABLE tiled patio on standard timber or aluminium deck framing with LEVEL ENTRY AS1/E2. Designed to AS/ZNS1170 NZS3604 compliant with B1/VM1.

Quick Specs Resources

Building a Deck

For builders, contractors and DIYers; installation of Silca System is super efficient. Silca Grates interlock with one another using our Connectors and screw fix directly to the joists of the deck substructure. Screws and adhesives are also available for supply.  

Install Guide Products

Renovating a Deck

Sick and tired of rotting and splitting wood? Pealing paint or fading stain? Forget about the continuous maintenance hassles and ongoing costs of wooden decking. If your joists are still in decent condition, with a bit of TLC, you can have a solid low maintenance patio too!

Inspo Gallery

Andrew A / Kaiwaka

“Silca paving system for the Granite paver deck turned out to be brilliant and outperformed our expectations.”
5.0
2024-09-11T10:54:57+12:00
“Silca paving system for the Granite paver deck turned out to be brilliant and outperformed our expectations.”

Steve & Vicky / Botany Downs

“We’re very happy with the end result”
5.0
2024-09-11T11:05:06+12:00
“We’re very happy with the end result”

Nick L / Whenuapai

“Very happy with Silca System, saved us a fair bit of $$$$$”
5.0
2024-09-11T11:06:04+12:00
“Very happy with Silca System, saved us a fair bit of $$$$$”

Helen / Albany

“The decision to use Silca System® for our new deck was an easy one. We wanted a unique, low maintenance deck but found composite decking far too expensive.”
5.0
2024-09-11T11:08:46+12:00
“The decision to use Silca System® for our new deck was an easy one. We wanted a unique, low maintenance deck but found composite decking far too expensive.”

Mark R / NSW

“The Silca System substructure and Travertine was an answer to the ongoing upkeep problems we had with our old wood deck. The Silca Grate™ was very simple to install”
5.0
2024-09-11T11:09:29+12:00
“The Silca System substructure and Travertine was an answer to the ongoing upkeep problems we had with our old wood deck. The Silca Grate™ was very simple to install”

Cath / Hawkes Bay

"We are absolutely thrilled with the outcome!"
5.0
2024-09-11T11:10:42+12:00
"We are absolutely thrilled with the outcome!"

Kevin F / Blackbird

Great product to work with, very easy to cut with a circular saw and quick to lay down and fix.
It comes with a full installation guide, drawings and great advice provided by James.
5.0
2024-09-11T11:11:30+12:00
Great product to work with, very easy to cut with a circular saw and quick to lay down and fix. It comes with a full installation guide, drawings and great advice provided by James.

Sam C / Mangawhai

Silca System was the solution we were looking for to achieve our tiled patio around our pool but still being permeable and having level entry from our living area. And NZ MADE! James was super helpful with all our questions. Highly recommended.
5.0
2024-09-11T11:12:29+12:00
Silca System was the solution we were looking for to achieve our tiled patio around our pool but still being permeable and having level entry from our living area. And NZ MADE! James was super helpful with all our questions. Highly recommended.

Harry G / Blackbird

Really great product, allowing us to navigate budget, height and consent constraints easily! James and the Silca team offers support throughout the process, very happy contractors and clients
5.0
2024-09-11T11:13:15+12:00
Really great product, allowing us to navigate budget, height and consent constraints easily! James and the Silca team offers support throughout the process, very happy contractors and clients

Kevin S / NSW

"Definitely a great system for these applications, no other solution would have beat it."
5.0
2024-09-11T11:14:12+12:00
"Definitely a great system for these applications, no other solution would have beat it."

Blair / Holmes Wellington

“Very easy to Install”
5.0
2024-09-11T11:14:50+12:00
“Very easy to Install”

Gillian / Creating Homes Marlborough

"This was a great job to undertake, and the clients were very happy"
5.0
2024-09-11T11:17:46+12:00
"This was a great job to undertake, and the clients were very happy"

Alan H / Bucklands Beach

"Awesome product! Easy to use and has allowed a continuous look around the pool where the ground drops away."
5.0
2024-09-11T11:21:01+12:00
"Awesome product! Easy to use and has allowed a continuous look around the pool where the ground drops away."

Elijah M / Albany

"Great product! Such a cool idea, and love that it’s made from recycled plastic. Use the system on all our projects big and small. Super easy to use and fast to install."
5.0
2024-09-11T11:22:22+12:00
"Great product! Such a cool idea, and love that it’s made from recycled plastic. Use the system on all our projects big and small. Super easy to use and fast to install."
5.0
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YOU CAN GET A QUOTE FOR YOUR NEXT PROJECT HERE…

Advantages and Benefits of Silca System®

Versatile Applications: Ideal for decks, patios, stairs, ramps, paths, bridges, docks, pool areas, and various residential and commercial projects.

Innovative Construction Product: A revolutionary and unique system supporting any type of paving on timber or aluminium deck joists.

Environmentally Friendly: Made from 100% recycled materials, offering a sustainable alternative to hardwood decking.

New Zealand Made: A trusted product originally established in the USA and Canada, now manufactured locally in New Zealand.

Maintenance-Free: Provides a durable, raised patio without the ongoing maintenance required by wooden decking.

All-Weather Durability: Maintains strength in extreme climates, from the Southern Alps’ snow and ice to North Queensland’s tropical heat and moisture.

Reduced Fire Risk: With non-combustible pavers, it prevents hot ash or embers from igniting the deck. A fire-retardant Silca Grate rated V-0 is available upon request.

Cost-Effective: More economical than Kwila, Accoya, and other hardwood decking options, and significantly cheaper than elevated concrete slabs. Substantial savings on installation labour.

Versatile: Silca System can be integrated to work seamlessly with both traditional building methods or modern construction systems. 

Easy Installation: Quick to install, making it accessible for builders, contractors, and DIY homeowners.

Creative Design Flexibility: Supports various tile layout and pattern designs with unique fascia options, allowing for unique outdoor spaces that enhance property value.

Superior Load-Bearing Capacity: The engineered design of Silca Grate cells supports heavy loads, preventing paver cracking or failure under heavy foot traffic or furniture.

Effective Load Distribution: Distributes load evenly across the joists and structure, providing robust support.

Adaptable Cutting: Easily cut around obstacles without compromising structural integrity, ensuring continuous support for cut pavers.

Enhanced Ventilation: Minimal surface contact between Silca Grate and joists maximizes airflow, aiding in ventilation and drying of the subdeck structure.

Structural: Acts as a structural component, reducing the need for nogging and supporting heavy surface laminates.

Flexible Paving Options: Allows for various paving patterns and joint designs, including full grout joints, drainage gaps, and French Laid patterns.

Solid, Flat Surface: Provides a stable base for nearly any type of paving, ensuring a smooth and reliable surface with a firm feel underfoot.

Our Values

Experience

Our team has decades of experience in the construction industry, you can be assured we know what we are talking about. 

Aim for same day Shipping

Provided your order is confirmed in the am, we can have it with our dispatch team in the pm and get your order on the way.

Free Quotes

Every job is different, and we can quote specific to your project, pronto!
Contact us and we are on it.

Deliver Quality

We manufacture right here in NZ with an ISO 9001 accredited facility, using strict quality control procedures.
Every batch tested.

Customer Service

Going the extra mile comes naturally to a team passionate about our product and the industry. We offer a level of service other companies cannot.

Innovation

We are constantly researching ways to improve our products, services and the industry using sustainable technologies and practices.