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Sentry® SR1 Fencing | Steel Security Fencing 

LPS 1175 Security Rated 1 steel 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.

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


✔ Education
✔ Perimeter security
✔ Commercial premises

Sentry® SR1 Specifications

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 centers. Panels from 1800mm high have a security comb (double row of sharp steel points 23 x 2mm thick). 

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 


  • LPS 1175 SR1


  • Hot dip galvanised to BS EN 1461 as standard
  • Hot dip galvanised and powder coated to BS EN 13438 in one of our standard colours at extra cost
  • Powder coated to any other BS and RAL colour to special order
  • Marine coat - for installations near salt water at extra cost

Standard Colours

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

Sentry® SR1

About Jacksons

Jacksons Security Fencing are at the forefront of high security fencing for any environment. Whether you require sports fencing through to intruder deterrent and detection around commercial properties, we can provide a reliable security fencing solution for you.

With over 60 years experience of providing fencing and access solutions, our unrivalled expertise allows us to offer the right solutions for almost any given fencing and access application in virtually every given circumstance.

Whatever your security fencing requirement, Jacksons Commercial has the solution to meet your metal fencing needs.

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