50mm Double Disc MB50 System
(Side Fix)
The Double Disc MB50 series is a range of disc fittings for point fixing cantilevered glass balustrades. Round and square cover plate options are available.
- Fully adjustable during installation: A multi-directional wall aligning adjustment option is available for easier glass alignment and faster installations.
- Engineered: solid 316 Marine Grade stainless steel anchor fixing.
SAFELITE® EVA Toughened Laminated Safety Glass
Glass Thickness (Nominal mm) |
Inner Layer of Glass (Nominal mm) |
Interlayer Thickness (Nominal mm) and Type |
Outer Layer Glass Thickness (Nominal mm) |
15.2 | 8 | 1.2 EVA | 6 |
17.2 | 8 | 1.2 EVA | 8 |
Brackets are required when specifying Laminated Structural Glass with a EVA Interlayer (minimum panel widths apply)
SAFELITE® STF (Sentry®) Toughened Laminated Safety Glass with rigid interlayer
Glass Thickness (Nominal mm) |
Inner Layer of Glass (Nominal mm) |
Interlayer Thickness (Nominal mm) and Type |
Outer Layer Glass Thickness (Nominal mm) |
13.52 | 6 | 1.52 Sentry® | 6 |
17.52 | 8 | 1.52 Sentry® | 8 |
21.52 | 10 | 1.52 Sentry® | 10 |
An interlinking rail is not required when specifying SAFELITE® STF (Sentry®) interlayer. (minimum panel widths apply).
*Note: Inner layer refers to the balcony side.
Key Features
- The DoubleDisc MB50 Balustrade System is side fixed for (face) mounted applications.
- Range of options from a contemporary squared edge look through to the latest adjustable spacer option.
Material Finish
- Made from 316 grade stainless steel.
- Available in machined, satin or polished finish.
- Powdercoated upon request. Note: Powder coating is available in a wide range of colours with commercially available surface integrity warranties from 10 to 30 years.
- All fixings must be Stainless Steel.
Occupancy Type
- Suitable for occupancy types A, A Other B, E, and C3.
- Occupancy Types as per AS/NZ 1170.1.2002.
Windzone
- Exceeds the wind loading for all Wind Zones up to and Including Extra High Wind Zone as set out in NZS 3604:2011.
- Max design Wind pressure subject to glass type and fixing method.
The system is glazed with Metro Performance Glass, as follows:
- TEMPAFLOAT® 12mm & 15mm nominal thickness, monolithic toughened safety glass, with an interlinking rail.
- SAFELITE® EVA 15.2mm & 17.2mm nominal thickness, toughened laminated safety glass, with either an interlinking rail or stiffener brackets.
- SAFELITE® STF (Sentry®) 13.52mm & 17.52mm nominal thickness, toughened laminated safety glass with sentry interlayer. No rail or bracket required subject to minimum width met.
Interlinking Hand Rail
- All monolithic toughened frameless glass balustrades must have an Interlinking Rail to conform to NZS 4223.3.2016, including the latest amendment of NZBC B1.
Compliance
- Complies with AS/NZS 1170:2002, NZS 4223.3.2016, NZ Building Code B1, F2, F4 and F9.
Scope of Use
- The DoubleDisc Anchor is a 50mm diameter traditional stainless steel anchor fixing offering, ideal for those seeking a more industrial looking Frameless Glass Balustrade aesthetic.
- The 30mm long body sets the 12mm/17.52mm toughened glass panels out from the deck to assist with water draining and cleaning.
- The DoubleDisc Anchor system is ideal for external balconies and stairs - as well as for internal stairs and landings. It can be fixed directly to either timber, steel or concrete surfaces.
- An interlinking top rail finishes off the system, producing a low profile modern look.
Balustrade Stiffener Brackets – for aligning and stiffening panels
Support Inquiries
- Metro Technical email technical@metroglass.co.nz