Home > Companies > Lazenby > In-situ Concrete Staircase

Structural grade cast in-situ concrete staircase for internal use, available with a polished or textured face. Surfaces sealed to reduce staining. Cast to individual site requirements, available stand-alone, cantilever, exposed and stepped soffit.

Standard product features

Material:

C28/35 to C50 self-compacting concrete to BS EN 206-1 and BS 8500-2.

  • Cement: CEM 1 to BS EN 197-1, minimum cement content of 330 kg/m³, contains GGBS and PFA cement substitute up to 30%.
  • Aggregate: Maximum of 20–30 mm dependent on the desired effect, with 45–48% fine aggregate.
  • Additive: Water reducing admixture (WRA) or superplasticizer.

Reinforcement:

High yield, high bond bars complying with the requirements of BS 4449 and BS 4466.

Consistence class:

S3.

Chloride class:

CL 0.40.

Drying shrinkage (maximum):

0.075%.

Options

Design:

Lazenby can advise on spiral, curved or straight staircases, with or without landings.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
30-05-40/145 Internal stair system

NBS Specification

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

Product specification

An important note about specifying

Manufacturer

Name:

Lazenby

Tel:

+44 (0)1935 700306

Product reference

In-situ Concrete Staircase

Design

As drawing - Insert reference.

Thickness

[ ______ ]

Finish

[Smooth]
-
Polished.
[Textured]

Colour

[Basalt]
[Black]
[Cool grey]
[Cream buff]
[Dark grey]
[Henley buff]
[Imperial grey]
[Iron grey]
[Light natural]
[Mayfair grey]
[Moss green]
[Off white]
[Oyster white]
[Stone buff]
[Walnut]
[Special order]
-
Insert RAL colour requirement.

Sealer

[Gloss]
[Matt]
-
Standard.
[Satin]

Manufacturer details

Unit 1,
Victoria Industrial Estate,
North Acton, W3 6UU
Tel +44 (0)1935 700306
Fax
NBS Plus
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