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Secura Grand | Concrete Segmental Retaining Wall

Verified by manufacturer 1 day ago

Secura Grand

Tobermore Variant:
Product certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • EPD

    EPD

    Certificate type

A dry-build segmental retaining wall system using robust concrete blocks for the construction of taller or more heavily loaded gravity and reinforced soil retaining structures.

Jump to:
BOS
+44 (0)844 800 5736 Website

Application

Suitable for a wide range of gravity and reinforced soil retaining wall applications, including: 

  • Residential, commercial, and infrastructure developments. 
  • High retaining walls and structures requiring increased stability. 
  • Road and rail embankments, cuttings, and bridge approaches. 
  • Housing developments and garden retaining walls with higher retained heights. 
  • Steep or sloping sites where conventional formwork or shuttering is impractical. 
  • Projects requiring an attractive, durable concrete block face with minimal maintenance. 

Secura Grand combines speed of installation with a high-quality aesthetic finish, making it ideal for residential, commercial, and infrastructure projects.

Description

Secura Grand is a high-performance, mortarless segmental retaining wall system developed for taller gravity and reinforced soil structures. The large interlocking concrete blocks enable fast, dry-build installation without the need for mortar, pins, or mechanical connectors. 

 

Designed for strength, efficiency, and aesthetic appeal, Secura Grand is ideal for both gravity and reinforced soil applications on residential, commercial, and infrastructure projects. The system accommodates rapid construction while maintaining precise alignment and a clean, modern appearance. 

 

Manufactured to the highest standards of dimensional accuracy and durability, Secura Grand blocks are CE-marked and compliant with BS EN 771-3. The system can be combined with geogrid reinforcement for greater retained heights or used as a standalone gravity solution for smaller walls. 

 

Available in multiple blended colours that complement Tobermore paving and walling ranges, Secura Grand provides an attractive, long-lasting finish suitable for any landscape or structural setting. 

  

Features and Benefits: 

  • Fast and efficient installation: Interlocking design eliminates the need for mortar or pins, facilitating dry builds.  
  • Versatile application: Suitable for both gravity and reinforced soil structures. 
  • High strength and durability: Precision-manufactured concrete blocks compliant with BS EN 771-3. 
  • Aesthetic flexibility: Available in three blended colours to complement surrounding materials. 
  • Low maintenance: Durable, weather-resistant surface with excellent freeze–thaw performance. 
  • Built-in drainage: Hollow core and open-joint design promote natural water movement. 
  • Proven performance: Designed in accordance with the latest British Standards for retaining walls. 
  • Sustainable manufacture: Produced in the UK under ISO 9001 and ISO 14001 certified processes.

 

 

General information

Color

Other

Guidance for specification option:

  • Bracken.
  • Heather.
  • Slate.


Finish

Tumbled

Material

Concrete

Shape

Rectangle

Length

400 mm

Width

230 mm

Height

200 mm

Uniclass

Pr_20_93_71_15 Concrete interlocking blocksPrimary

CAWS

D41/310 Drystack interlocking masonry

Specification data - Concrete interlocking blocks

Classification data

Standard

To BS EN 771-3:2011.

Properties

-

Dimensions

400 x 230 x 200 mm.

Special units

-

Type of special unit

None.

Dimensions of special units

400 x 230 x 200 mm.

Finish

-

Exposed faces

Aged finish.

Colour

Bracken.
Heather.
Slate.

Environmental rating

3.49

Guidance for specification option:

kgCo²e/m².

Strength

>30 N/mm².

Efflorescence

Minimum 12 hour vapour curing to reduce the possibility of efflorescence.

EnergyUsed

100% Renewable energy.

WaterUsed

100%.

Guidance for specification option:

From rainwater harvesting system and groundwater bore hole.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Material

Concrete
Carbon dioxide equivalent

Carbon dioxide equivalent, as defined in BS EN 15804

Certified

Stage
Normalised unit (kg CO₂ eq/kg)
Declared unit (kg CO₂ eq/unit)
Stage:A1–A3 ('Production stage')
Normalised unit :
Declared unit : 3.49

Recyclability

100%

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

-

Manufacturer guidance

Not less than 6%.

Product certifications

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
Revit
-

1

IFC
-

1

Product certifications

BBA Agrément Certificate

BBA Agrément Certificate

BBA Happas Certificate - Retaining Walls

EPD

EPD

Secura Grand Environmental Product Declaration

Literature

15/H230 Secura Grand Concrete Block Wall System for Reinforced Soil Retaining Wall and Bridge Abutments

15/H230 Secura Grand Concrete Block Wall System for Reinforced Soil Retaining Wall and Bridge Abutments

Secura - Attractive Mortar-free Segmental Retaining Walls

Secura - Attractive Mortar-free Segmental Retaining Walls

Declaration of Performance - Tobermore Secura Grand

Declaration of Performance - Tobermore Secura Grand

Case studies

Boclair Gardens

Boclair Gardens

Denbigh School, Milton Keynes - GSS Architects

Denbigh School, Milton Keynes - GSS Architects

Baxter’s Green, Bramcote, Nottingham

Baxter’s Green, Bramcote, Nottingham

Richmond Care Village, Evesham

Richmond Care Village, Evesham

Leith Links Shared-Use Route

Leith Links Shared-Use Route

Nicholls Lane, Stone, Staffordshire

Nicholls Lane, Stone, Staffordshire

The Woodlands

The Woodlands

New Brunswick Village, Liverpool

New Brunswick Village, Liverpool

Latches Close

Latches Close

Allscott Meads Primary School

Allscott Meads Primary School

John O’Gaunt Golf Club

John O’Gaunt Golf Club

Corten House, Aykley Heads Business Park, Durham

Corten House, Aykley Heads Business Park, Durham

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