
The GR-204 is Vexta's ballast-weighted ladder-access enclosure. A 1200 x 800 mm free-standing four-post surround with a self-closing gate on the ladder-exit side, it creates a safe landing zone at the top of a vertical rooftop ladder.
Technical Data
Model: GR-204
Product Code: GR-204
Guardrail Class: EN 13374 Type B
Internal Footprint: 1200 x 800 mm
Post Height: 1100 mm
Number of Posts: 4
Ballast Trays: 4 x 600 x 400 mm
Counterweight: 8 x 20 kg = 160 kg total
Gate: GR-203 self-closing, 700 mm opening
Toe Board: 150 mm high, all open sides
Horizontal Load: 0.5 kN/m (Type B)
Net Weight (empty): 32 kg
Total Weight incl. ballast: 192 kg
Standard: EN 13374:2013
Key Features
1200 x 800 mm clear internal landing area
Four ballast posts, eight 20 kg concrete blocks total
GR-203 self-closing gate on ladder-exit side
Top and mid rails on three open sides
150 mm toe board on all open sides
No roof penetration, fully free-standing
EN 13374 Type B certified
Hot-dip galvanised + anthracite powder-coat finish
Applications
Rooftop vertical ladder exit landing zones
Data-centre and factory ladder access surrounds
Commercial building roof-lift top exits
Solar PV array ladder access enclosures
Stair-upstand and equipment-platform landing protection
Temporary ladder access on leased roofs
Product Advantages
Creates a safe standing platform at the ladder exit
Self-closing gate prevents open-side fall risk
Zero roof penetration, membrane-friendly
Repositionable if ladder location changes
Flat-packed kit assembles with hand tools
Interchangeable with GR-201/202/203 components
Material & Specifications
Posts and rails: S235JR, 40 x 40 x 2-3 mm RHS, galvanised
Ballast trays: S235JR, 3 mm folded steel
Counterweight blocks: C30/35 pre-cast, anthracite pigment
Gate: GR-203 pre-hung spring-return unit
Toe board: 1.5 mm S235 folded sheet
EPDM pads: 5 mm non-slip under each tray
Finish: galvanised to EN ISO 1461 + RAL 7016 powder coat
Fixings: M8 A2-70 stainless bolts
Model | GR-204 | GR-201 | GR-202 |
Product Code | GR-204 | GR-201 | GR-202 |
Guardrail Class | EN 13374 Type B | EN 13374 Type B | EN 13374 Type B |
Post Height | 1100 mm | 1100 mm | 1100 mm |
Counterweight | 8 x 20 kg = 160 kg total | 2 x 20 kg pre-cast concrete blocks | 4 x 20 kg pre-cast concrete blocks |
Toe Board | 150 mm high, all open sides | 150 mm high | — |
Horizontal Load | 0.5 kN/m (Type B) | 0.5 kN/m (Type B) | 0.5 kN/m (Type B) |
Net Weight (empty) | 32 kg | — | 14.0 kg |
Total Weight incl. ballast | 192 kg | 46.5 kg | 94.0 kg |
Standard | EN 13374:2013 | EN 13374:2013 | EN 13374:2013 |
Post Section | — | 40 x 40 mm RHS, 3 mm wall | 40 x 40 mm RHS, 3 mm wall |
Base Tray | — | 600 x 400 x 50 mm, 3 mm steel | L-shape 800 x 800 x 50 mm, 3 mm steel |
Total Ballast Mass | — | 40 kg per post | 80 kg per corner |