LPS 1175 Security Rated 1 steel fencing

Sentry® SR1 Fencing | Steel Security Fencing

Jacksons Sentry® SR1 system offers a security rated vertical bar stopped pale-through-rail solution with a flat top which provides a surface suitable for a wide variety of security toppings. It’s simple minimalist design is equally appropriate for contemporary or more traditional settings and is a great alternative to traditional physical security measures whilst providing improved boundary security.

25 year service life guarantee

Sentry SR1 Features

  • LPS 1175 A1 (SR1) Approved     
  • Secured by Design Preferred Specification
  • Seamless, concealed vandal proof rail to post fixings
  • Fully welded pale-through-rail construction
  • Anti climb design
  • Double row of 25mm high sharp-pointed steel double comb fro additional security comes as standard
  • SR1 gates available


Sentry® SR1 panels up to 3000mm high have two rectangular hollow section rails 60 x 40mm (3 rails if 3000mm high). Vertical round hollow section 32mm pales are passed through the rails with standard spacing at 129mm centres. Panels from 1800mm high have a security comb (double row of sharp steel points 23 x 2mm thick). 


SR1 gates available

Sentry SR1 Panel Specifications

Height (mm) Post Centres (mm)
Post Dimensions (mm)
Overall Post Length (mm)
1800 3000 60 x 60 2500
2000 3000 60 x 60 2800
2500 3000 80 x 60  3300 
3000 2484  80 x 60  3800 

Post Options

  • Over length set in concrete as standard
  • Base plated to bolt down onto concrete
  • Cranked to suit wall mounting

Standard Finishes

  • Hot dip galvanised to BS EN ISO 1461 as standard
  • Hot dip galvanised and powder coated to BS EN 13438
  • Marine coat for installations within 500m of salt water or an estuary

Standard Colours

  • Black RAL 9005
  • Green RAL 6005
  • Other colours are available on request

Document Downloads

Download specification documents, drawings and case studies for this product