The MT-303 is a non-penetrating rooftop HVAC service platform on adjustable screw legs with rubber-padded base plates. It combines perforated aluminium deck, tubular guardrails, a fixed access stair and self-closing gates, rated 200 kg/m2 and modular to route around roof obstructions.
Technical Data
Model: MT-303
Platform Height: 0.40 m above roof (adjustable 0.20 - 0.80 m)
Platform Module Size: 1.50 m x 0.60 m (modular)
Stair Width: 0.70 m
Tread Depth: 200 mm, perforated aluminium
Handrail Height: 1.10 m + 0.50 m mid-rail
Rated Load: 200 kg/m2
Frame Tube: 40 mm x 40 mm SHS, 3.0 mm wall
Deck Thickness: 2.5 mm perforated aluminium
Base Plate: 150 mm x 150 mm rubber-pad on steel
Net Weight (per module): 18 kg
Standard: EN 14122, EN 13374
Key Features
Non-penetrating screw legs with rubber pads protect roof membrane.
Perforated aluminium deck drains rain and reduces wind load.
Tubular handrails and mid-rails on all open edges.
Self-closing gates at equipment interfaces.
Fixed aluminium access stair at the walkway edge.
200 kg/m2 load rating for two technicians plus tools.
Modular sections route around vents, skylights and plant.
Dark-grey powder-coated, low-profile appearance.
Applications
Rooftop chiller and condenser service.
Cooling-top fan and fill access.
Air-handling unit filter and belt changes.
Rooftop ductwork and damper inspection.
Data centre rooftop plant access.
Hospital and lab HVAC maintenance.
Shopping centre rooftop equipment service.
Product Advantages
Non-penetrating pads preserve roofing warranty.
Modular design routes around vents and skylights.
Perforated deck reduces wind uplift and drains rain.
Low profile keeps the roofline clean.
Lightweight aluminium deck simplifies handling.
Stainless option for coastal and corrosive roofs.
Vexta supplies GA drawings and wind-load calculations.
Material & Specifications
Frame: S355 steel SHS, hot-dip galvanised + dark-grey powder coated
Deck: Aluminium perforated anti-slip, 2.5 mm
Stair Treads: Perforated aluminium, 2.5 mm
Handrails: Steel tube 42.4 mm, powder coated
Base Pads: Rubber on steel plate
Gate: Aluminium frame with self-closing hinge
Fasteners: A2 stainless steel
Stainless-steel version: Available for coastal sites
Certification: CE, EN 14122
Model | MT-303 | MT-301 | MT-302 |
Platform Height | 0.40 m above roof (adjustable 0.20 - 0.80 m) | 1.80 m (customisable 1.2 - 3.0 m) | — |
Stair Width | 0.70 m | 0.70 m | — |
Tread Depth | 200 mm, perforated aluminium | 220 mm, perforated aluminium | — |
Handrail Height | 1.10 m + 0.50 m mid-rail | 1.10 m + 0.50 m mid-rail | 1.10 m + 0.50 m mid-rail |
Rated Load | 200 kg/m2 | 200 kg/m2 | 150 kg |
Frame Tube | 40 mm x 40 mm SHS, 3.0 mm wall | 50 mm x 50 mm SHS, 4.0 mm wall | — |
Deck Thickness | 2.5 mm perforated aluminium | 3.0 mm perforated aluminium | — |
Standard | EN 14122, EN 13374 | EN 14122, EN ISO 14122-3 | EN 14122, EN ISO 14122-4 |
Toeboard Height | — | 150 mm | 150 mm |