Home > Companies > HDI Railing Systems > Koto™ Stainless Steel Railing System

Pre-engineered, modular stainless steel post balustrade system with cable infills as standard. Suitable for exterior and interior applications.

Features and benefits:

  • Hidden mechanical connections minimize on-site fabrication and provide security after installation.
  • Comprised of rectangular 12 or 25 by 76 mm posts with 12 or 76 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.
  • Welded and hidden mechanical connections throughout minimize on-site assembly 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. 1.4404 (316L) grade stainless steel is required for external use.
  • Components are interchangeable with all HDI systems.
  • Top rails and infill cables are available in-line with posts.
  • Designed, engineered and manufactured in accordance with BS 6180, BS 6399 and BS 8300.
  • Low maintenance, highly durable system.
  • Designed to accommodate high loading requirements.
  • 25-year guarantee.

Applications:

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

Approvals:

Koto™ handrails meet ADA requirements. Clear space to walls: 38 mm.

Standard product features

Finish:

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

Infill:

  • Cable rails: 1.4401 (316) grade stainless steel, 5 mm diameter stranded wire (6 x 7-strand wire ropes around a wire core; minimum breaking strain: 13 kN) with stainless steel thread adjusters. Maximum cable spacing: 79 mm.
  • Configuration: In-line with post centres.

Options

Top rail:

- Size:

  • Stainless steel true bar: 76 x 12 mm.
  • Wood (all species): 101 x 25 mm cap placed over 76 x 12 mm stainless steel true bar.

Handrail:

- Dimensions:

Tube wall: 2 mm-thick (stainless steel only).

- 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 13 x 18 mm continuous stainless steel bar at supports and connections.

Post:

- Size (w x d):

  • End posts: 76 x 25 mm.
  • Mid posts: 76 x 13 mm.

- Spacing:

Maximum post spacing: 1194 mm.

- Material:

1.4301 (304) grade stainless steel.

- Fixing:

  • Core mounted: Post extends into hole in the concrete structure. Concrete minimum: Thickness 254 mm; 3000 psi.
  • Side mounted to steel or concrete with plate fixing: Minimum thickness: Concrete: 260 mm; steel: 13 mm. Consult manufacturer for options for thinner steel structures.
  • Top mounted to steel or concrete with plate fixing: Minimum concrete depth: 152 mm, when used with suitable anchors.
  • Top mounted to steel with welded fixing: Requires minimum 78 mm-wide structural steel. 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

Koto™ Post Railing System

Layout

[ ______ ]

Loading requirement

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

Top rail

[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]
[Stainless steel true bar]
[Wood, bespoke species]
-
Consult manufacturer and insert requirements.

Handrail

 - Diameter:

38 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:

Elbow

 

   Diameter:

13 mm

 

   Material:

[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

 

Post

 - Fixing:
[Core mounted]
[Side mounted to steel or concrete with plate fixing]
[Top mounted to wood 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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