Home > Companies > HDI Railing Systems > CIRCUM™ Round Stainless Steel Railing System

Pre-engineered, modular stainless steel round post balustrade system suitable for interior and exterior applications.

Features and benefits:

  • Comprised of 49 mm diameter posts with 38 or 51 mm top rails in either brushed stainless steel or a selection of hardwoods that can be a natural finish or stained to match other interior wood finishes.
  • Hidden mechanical connections throughout minimize on-site assembly, requiring no welding or gluing and provide security after installation.
  • Bends or mitred joints are factory prepared to tight tolerances ensuring quality of fit and finish.
  • Manufactured from 1.4307 (304L) grade stainless steel for internal use, or 1.4404 (316L) grade stainless steel for external use.
  • Components are interchangeable with all HDI systems.
  • Top rails and infill options are available either in-line with posts or offset to the side of posts.
  • Designed, engineered and manufactured in accordance with BS 6180, BS 6399 and BS 8300.
  • Quick, efficient installation.
  • 25-year guarantee.

Applications:

  • Single or multi-dwelling units.
  • Offices and industrial buildings.
  • Schools.
  • Health care.
  • Assisted living facilities.
  • Public buildings.

Approvals:

CIRCUM™ handrails meet ADA requirements.

Standard product features

Finish:

All stainless steel supplied in a brushed (240-grain) satin finish.

Options

Top rail:

- Dimensions:

  • Tube wall: 2 mm-thick (steel/ stainless steel models only).
  • Handrails may be curved to meet stair conditions.

- Material:

Wood species:

  • Kiln dried as standard.
  • Other species and finishes available on request (a sample must be submitted for finish required).
  • Wood rail attaches to 9 x 13 x 203 mm stainless steel bar at supports and connections.

Infill:

- Type:

Bespoke materials, patterns and perforations are available; consult manufacturer for details.

  • CIRCUM™ cable infill: 4 mm diameter 1.4401 (316) grade stainless steel 6x7 stranded cable.
  • Resin: A blend of polyester resin for interior applications.
  • Stainless steel panel, perforated: Rectangular frame 13 x 38 mm; brushed finish; 2 mm-thick panel, 10 mm squares on 13 mm centres; polished longitudinally to mitre cuts.
  • Stainless steel infill rods: Attached to post with stainless steel clamping fixture.
  • Stainless steel picket: Horizontal supports: 16 mm diameter connected to 10 mm vertical rods; Attached to post with stainless steel clamping fixture; Gaps between pickets and adjacent posts to be equalized depending on rail length and site conditions.

Post:

- Spacing:

Maximum post spacing: 1300 mm.

- Fixing:

  • Core mounted spigot fixing with cover plate: Post extends into hole in the concrete structure. Concrete minimum: Thickness 152 mm; 3000 psi; edge distance 79 mm.
  • Side/ top mounted to steel or concrete with plate fixing: Recommend fastening material: Chemical or mechanical anchor 13 mm wood lag or through-bolt.
  • Top mounted to steel with welded fixing: Welded fastener to be installed by factory approved welder. Post secured to base with set screws.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
25-25-10/110 Balustrade and guarding system

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

HDI Railing Systems

Tel:

+44 7383 436490

Product reference

CIRCUM™ Round Post Railing System

Layout

[ ______ ]

Loading requirement

[0.36 kN/m]
[0.74 kN/m]
[1.5 kN/m]
[3.0 kN/m]

Top rail

 - Diameter:
[38 mm]
-
Standard.
[51 mm]
 
 - Material:
[1.4307 (304L) grade stainless steel]
-
Standard for internal use.
[1.4404 (316L) grade stainless steel]
-
Standard for external use.
[Solid wood/ stainless steel]
 

   Wood species:

[Not required]
-
Stainless steel handrails only.
[Beech]
-
Standard.
[Beech with dark cherry stain]
[Beech with light cherry stain]
[Birch]
-
Standard.
[Birch with light cherry stain]
[Maple]
-
Standard.
[Oak with dark cherry stain]
[Bespoke]
-
Consult manufacturer and insert requirements.
 
 - End style:
[Curved wall return]
[Straight]
 
 - Supports:
 

   Type:

[Not required]
[Elbow]
[Straight]
 

   Diameter:

13 mm

 

   Material:

[Not required]
-
Steel/ stainless steel handrails only.
[1.4307 (304L) grade stainless steel]
-
Standard for internal use.
[1.4404 (316L) grade stainless steel]
-
Standard for external use.
 

   Fastening base:

80 mm diameter stainless steel rosette

 

Infill

 - Type:
[CIRCUM™ cable infill]
[Glass panel, fully tempered]
[Resin panel]
-
Interior only; consult manufacturer for colour and finish options and insert requirements.
[Stainless steel infill rods, 10 mm]
-
Insert number of rows (maximum: 9; minimum 3).
[Stainless steel infill rods, 16 mm]
-
Insert number of rows (maximum: 9; minimum 3).
[Stainless steel panel, perforated]
[Stainless steel picket]
-
16 mm horizontal tubes, 10 mm vertical rods.
 

   Stainless steel grade:

[Not required]
-
Glass panel only.
[1.4307 (304L) grade stainless steel]
-
Standard.
[1.4401 (316) grade stainless steel]
[1.4404 (316L) grade stainless steel]
-
Not CIRCUM™ cable infill.
 

   Glazing:

[Not required]
-
All stainless steel infills.
[Toughened glass, clear, 10 mm]
[Toughened glass, clear, 12 mm]
[Toughened glass, tinted, 10 mm]
[Toughened glass, tinted, 12 mm]
[Bespoke]
-
Consult manufacturer for options and insert requirements.
 
 - Configuration:
[In-line with post centres]
-
Not Stainless steel infill rods or pickets.
[Offset to side of posts]
-
Not CIRCUM™ cable infill.
 

Post

 - Diameter:

49 mm

 
 - Material:
[1.4307 (304L) grade stainless steel]
-
Standard for internal use.
[1.4404 (316L) grade stainless steel]
-
Standard for external use.
 
 - Fixing:
[Core mounted spigot fixing with cover plate]
[Side mounted to steel or concrete with plate fixing]
[Top mounted to steel or concrete with plate fixing]
[Top mounted to steel with welded fixing]
 

Accessories/ Other requirements

[Not required]
[LED lighting inserts]
-
Consult manufacturer and insert requirements.

Manufacturer details

1st Floor West Davidson House,
Forbury Square,
Reading,
Berkshire, RG1 3EU
Tel +44 7383 436490
Fax
NBS Plus
RIBA CPD
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