The key element to the Patented Silca System is the Grate. This is the 400x450x38mm structural component that screws direct to the timber or aluminium deck frame and provides the solid flat surface on which to lay almost any kind of paving.

Silca Grates feature:

• a) strengthening ribs and hex cells to spread and transfer load across the decking element and down onto the joist.
• b) pre-formed countersunk holes designed to guide the screws into the joist at the correct position. (remember to not overtighten screws as this can damage the countersink)
• c) a second row of fixing so grates can be uniformly trimmed to slot in between joists should more height clearance be required. (This requires extra timbers clashed to the side of the joist for the grate to sit on.)
• d) free draining design for minimum moisture retention
• e) micro flex to absorb any movement within the decking element and reduce risk of any tile or grout disturbance
• f) UV stable
• g) manufactured from 100% recycled materials. Green Building Product

RRP: NZD $31.18 incl. gst each

Trade pricing available. Please contact us for a site-specific quote.

Lock Connectors specifically designed for use with the Grates. These interlock each Silca Grate to the next on all four sides. X2 Connectors per side. (3.3 per grate) and greatly increase rigidity and consistency across the system, resulting in an incredibly strong, continuous decking element. They also provide some added spot adhesion points for during tile install. Simply push down the connectors into the designated slots in each side of the Grate, then knock in tight with a hammer. We specify using Lock Connectors when Grates are installed over any floating frame, typically over membrane. For over solid timber deck frame they are not 100% required, however still greatly increase strength, stability and rigidity to the decking element.

RRP: NZD $1.89 incl. gst each

Trade pricing available. Please contact us for a site-specific quote.

Stainless Steel fasteners engineered for securing Silca Grates to deck joists. Each grate requires x6 screws, designed to seat perfectly into the predesignated, countersunk holes at the edges of the Silca Grates.

Timber Joists: 10G x 75mm SS304 – Sharp self-drilling tip for maximum bite and holding strength. Also suitable for Buzon pedestal top fixings.

Aluminium Joists: 10G x 60mm 410SS WingTek – Hardened self-drilling screw with WingTek tip for clean penetration into aluminium or light steel. No pre-drilling required.

For an efficient and trustworthy connection.

RRP: NZD $328.74 incl. gst (1000 Box Timber)

RRP: NZD $348.00 incl. gst (400 Box WingTek)

Trade pricing available. Please contact us for a site-specific quote.

For spot glue adhesion of tile and pavers direct to the Silca Grates. SabreBond SMP45 is a high grade multipurpose adhesive that boasts extremely high flexibility for demanding applications. It is suited for both industrial bonding and sealing applications, and specialised construction sealing. It has a wide adhesion range to most construction materials, including most metals, timber and most plastics.

Available in 600 ml sausage.

RRP: NZD $33.45 incl. gst each

Trade pricing available. Please contact us for a site-specific quote.

Silca System can be installed over aluminium framing to create a robust structural platform for elevated external spaces, particularly where increased span capability and higher loading requirements over membrane applliactions need to be accommodated. Aluminium framing can provide engineered spans between pedestal supports, reducing the need for additional support points while maintaining a substantial structural capacity. Combined with the Silca System Grates, this creates a mechanically fixed, continuously supported deck capable of accommodating demanding pedestrian and commercial loading conditions. A suitable approach for high-use commercial environments, podiums, terraces and other elevated applications where structural capacity, span performance, drainage and long-term durability are critical.

Trade pricing available. Please contact us for a site-specific quote.

Now optimised for over-membrane applications, the Silca System can be installed directly onto Buzon adjustable pedestals, providing a strong, compliant structural base for a wide range of non-structural surface finishes. Ideal for both residential and commercial settings, including rooftop decks and membrane-protected areas.

Partnered with Viking Roofspec

We are now offering a streamlined, package supply solution with Buzon pedestals. This ensures compatibility, simplifies procurement, and delivers a more efficient process for your project.

Key Benefits:

• Direct installation on Buzon adjustable pedestals
• Wide range of adjustable heights available – incl. low height tolerance scenarios
• Supports non-structural surfaces: stone, terrazzo, porcelain, turf
• Durable, high load-bearing design
• Wind-uplift compliant with TDS available
• Quick to install and low maintenance
• Enables level-entry through threshold transitions
• Compliant with AS/NZS1170.1 and E2/AS1 standards

We recommend using Silca I-Lock Connectors when installing over floating frames or pedestal systems to ensure maximum structural integrity. Screw fixings for Grate to Pedestal connection are also supplied with your order (x4 per grate)

Trade pricing available. Contact us for a site-specific quote.