The GR-102 is Vexta's non-penetrating parapet clamp post. A C-shaped steel clamp grips the top of an existing parapet wall and carries a 1100 mm tall guardrail post, extending the same EN 13374 Type A rail system out over the roof edge without any roof penetration.
Technical Data
Model: GR-102
Product Code: GR-102
Guardrail Class: EN 13374 Type A
Parapet Thickness Range: 150 - 400 mm
Lateral Offset: 0 - 150 mm adjustable
Post Height: 1100 mm above clamp
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
Horizontal Load: 1.0 kN/m
Concentrated Load: 1.5 kN at top rail
Post Spacing: 2.0 m maximum centres
Net Weight per Post: 7.2 kg
Pad Material: UV-stable nylon, 6 mm thick
Standard: EN 13374:2013
Key Features
Non-penetrating parapet clamp, no roof drillings
Fits parapet thicknesses from 150 mm to 400 mm
Lateral adjustment up to 150 mm outward from parapet face
Two M16 stainless tightening spindles with nylon backing pads
Same 40 x 20 mm RHS rail interface as GR-101/103/104
1100 mm guardrail height, top + mid rail clamps
UV-stable protective lining prevents concrete damage
Hot-dip galvanised + anthracite powder-coat finish
Applications
Rooftop parapet edge protection on refurbished buildings
Leased office and retail rooftops where membrane drilling is banned
Hospital, school and data-centre roof maintenance perimeters
Heritage buildings where facade alterations are restricted
Temporary edge protection during roof refurbishment
Parapet-mounted guardrail around solar PV arrays
Product Advantages
Zero roof penetration, preserves waterproofing warranty
Reusable across multiple sites and lease cycles
Adjusts to a wide range of parapet thicknesses on site
Pads protect concrete and coping from damage
Fully interchangeable with GR-101/103/104 rails
Fast installation without specialist roof trades
Material & Specifications
Clamp body: S355JR structural steel, hot-dip galvanised
Post: S235JR, 40 x 40 x 3 mm RHS
Spindles: A4-70 stainless steel M16, nylon cup
Rail clamps: pressed S235, M8 A2-70 bolts
Protective pad: UV-stable polyamide 6
Finish: hot-dip galvanised to EN ISO 1461 + RAL 7016 anthracite powder coat
Rails: same 40 x 20 x 2 mm RHS as GR-101
Model | GR-102 | GR-101 | GR-103 |
Product Code | GR-102 | GR-101 | GR-103 |
Guardrail Class | EN 13374 Type A | EN 13374 Type A | EN 13374 Type A |
Post Height | 1100 mm above clamp | 1100 mm above roof deck | 1100 mm |
Post Section | 40 x 40 mm RHS, 3 mm wall | 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, 2 mm wall | 40 x 20 mm RHS, 2 mm wall |
Horizontal Load | 1.0 kN/m | 1.0 kN/m | 1.0 kN/m |
Concentrated Load | 1.5 kN at top rail | 1.5 kN at top rail | 1.5 kN |
Post Spacing | 2.0 m maximum centres | 2.0 m maximum centres | — |
Net Weight per Post | 7.2 kg | 4.8 kg | — |
Standard | EN 13374:2013 | EN 13374:2013 | EN 13374:2013 |
Base Plate | — | 150 x 150 x 8 mm | 200 x 200 x 8 mm, 4 x Ø14 holes |
Toe Board | — | 150 mm high, 1.5 mm thick steel | 150 mm high, folded 90 degrees |