The GR-301 is Vexta's continuous parapet clamp guardrail line. A row of C-clamps on an existing parapet wall carries raised top and mid rails, bringing the parapet up to EN 13374 Type A guardrail height without roof penetration.
Technical Data
Model: GR-301
Product Code: GR-301
Guardrail Class: EN 13374 Type A
Parapet Thickness: 150 - 400 mm
Parapet Height: 300 - 1100 mm
Post Height above parapet: 1100 mm
Post Section: 40 x 40 mm RHS, 3 mm wall
Clamp Spindles: 2 x M16 A4-70 stainless
Rail Section: 40 x 20 mm RHS
Post Spacing: 2.0 m maximum
Horizontal Load: 1.0 kN/m
Concentrated Load: 1.5 kN
Net Weight per Clamp Post: 7.5 kg
Standard: EN 13374:2013
Key Features
Raises parapet protection to 1100 mm EN 13374 Type A height
C-clamps fit parapets 150-400 mm thick, 300-1100 mm high
Adjustable from inner roof side, no external working
UV-stable nylon liners protect parapet faces
Same 40 x 20 mm RHS rails as GR-1xx range
Spacing 2.0 m centres
Compatible with GR-104 self-closing gate
Hot-dip galvanised + anthracite powder-coat finish
Applications
Rooftop parapets below 1100 mm guardrail height
Podium decks and terraces with non-compliant parapets
Refurbished office and retail rooftops
Hospital and school roof maintenance perimeters
Heritage buildings where facade drilling is restricted
Solar PV arrays mounted behind low parapets
Product Advantages
Brings sub-standard parapets up to code without rebuild
Installed from the roof side, no external work
Zero roof penetration, preserves waterproofing
Nylon liners protect concrete and coping
Interchangeable with GR-101/102/103/104 components
Individually tagged and traceable for FM audits
Material & Specifications
Clamp body: S355JR structural steel, hot-dip galvanised
Post: S235JR, 40 x 40 x 3 mm RHS
Spindles: A4-70 stainless M16 with nylon cups
Rails: S235JR, 40 x 20 x 2 mm RHS
Protective liners: UV-stable polyamide 6, 6 mm thick
Finish: galvanised to EN ISO 1461 + RAL 7016 powder coat
Identification tag: stainless steel, laser-etched (no lettering on product)
Model | GR-301 | GR-302 | GR-303 |
Product Code | GR-301 | GR-302 | GR-303 |
Guardrail Class | EN 13374 Type A | EN 13374 Type B | — |
Post Section | 40 x 40 mm RHS, 3 mm wall | 40 x 40 mm RHS, 3 mm wall | — |
Rail Section | 40 x 20 mm RHS | 40 x 20 mm RHS | — |
Post Spacing | 2.0 m maximum | 2.0 m maximum | — |
Horizontal Load | 1.0 kN/m | 0.5 kN/m (Type B) | — |
Standard | EN 13374:2013 | EN 13374:2013 | EN 13374 + OSHA 1910.28 |