Commercial Retaining Wall Contractors In Calgary

Simply Stone has completed over 1000 projects in the Calgary area for multi-family projects, developers, infrastructure, and private commercial clients.

We install various types of retaining walls including Allan Block, Redi-Rock, MagnumStone, Verti-Block, Lego Block, and other segmental retaining systems.

Simply Stone installed the largest volume of Allan Block retaining walls in Calgary—and have been for years. In 2024, we installed over 60,000 Allan Block units.

Hero Retaining Walls

notable projects we have completed

Centre for Child and Adolescent Mental Health – Redi-Rock Walls
4-tiered Redi-Rock retaining walls in a tight area with an underground drainage system below.
Fortis Alberta Airdrie – Redi-Rock Walls
Over 5,200 sq. m Redi-Rock wall using positive connection blocks. Wall is over 4.5 meters high and approx. 200 meters long. Wall is backfilled entirely with 40 mm drainage rock.
Engineered Air Blackfoot – Lock Block Walls
Lego block walls built on the toe of a 60-meter slope, highly engineered. We encountered a lot of groundwater, so we installed a filter fabric-wrapped engineered base structure.
Osprey Hills – Redi-Rock Wall
Development wall built in the new area, Osprey. Wall has a large electrical tower behind it, so excavation was limited. Wall is built using mostly 60” deep Redi-Rock units in a gravity system. There is 1.1 meters of wall embedded due to the loading of the tower base.
Serenity Multi-Family
Approx. 375 lineal meters of Allan Block wall in Serenity around a storm pond.
Spruce Meadows – Retaining Wall Installation
We have been working for Spruce Meadows for over 15 years, completing various projects from large retaining walls to smaller planter work. Projects include the International Ring, North American Ring, All Canada Place, soccer field, Upper Plaza, new restaurant, and more.
Summit Townhomes and Condos
Allan Block Metropolitan retaining walls and one large Redi-Rock wall along the north property line. Engineered walls with a maximum height of 4.3 m.

    Our services include (but are not limited to)

    • Retaining wall layout analysis and feasibility recommendations with clients.
    • Procurement of engineering documentation.
    • Procurement of retaining wall disclosure statements for development permit applications.
    • Survey area, wall location, and elevation analysis.
    • Bulk excavation.
    • Detailed excavation and trench excavation to proper grades.
    • Subgrade preparation and arranging bearing testing.
    • Granular base installation including 25 mm and 80 mm road crush.
    • Supply and installation of geotextiles such as bi-axial geogrid, combi-grid, and other types.
    • Compaction testing to minimum 98% SP.
    • Levelling of area and block installation.
    • Backfill, drainage rock chimney, weeping tile porting through wall where required.
    • Compaction testing on backfill material.
    • Achieving final subgrade heights and compaction.
    • Installation of coping blocks where required.
    • Final sign-offs and compliance letter from engineering firm.

    Why Choose Simply Stone?

    Simply Stone’s internal quality management is very stringent—we prefer to address any deficiencies before they’re ever pointed out. We work closely with site supervision, project managers, consultants, and engineers to ensure satisfaction for all.

    We have 29 years of segmental retaining wall installation experience. Our team collaborates with clients on budget pricing and structural requirements to help choose the right system for each unique site.

    Simply Stone estimators are experts at determining the most cost-effective and performance-based products for your project. We are often involved before development permit release to help ensure wall layouts meet City requirements.

    Our Team
    & Equipment

    • Over 125 years of combined experience among our top 8 employees
    • 5 full-time installation crews
    • 40+ staff including estimators, project managers, site foremen, lead hands, labourers, internal mechanic, truck drivers, safety and office support

    Fully Equipped
    For Projects

    • 10 compact loaders
    • Excavators ranging from 3 ton to 22 ton
    • Sheep’s foot roller compactors
    • Smooth drum ride-on compactors
    • Walk-behind double drum packers
    • Diesel plate tampers
    • Hoe packs
    • Tandems, truck and pups
    • And many other specialized equipment pieces

    Certifications
    & Credentials

    • COR Certified with an extensive, comprehensive safety program
    • $5,000,000 in liability insurance
    • Fully licensed for the City of Calgary and the Province of Alberta
    • Able to provide labour, materials, and performance bonding on any project
    • Prequalified with the City of Calgary for retaining wall construction
    • 29 years of experience in the hardscape industry

    Simply Stone installs retaining walls every day—it’s what we do. We strongly recommend hiring landscaping professionals for softscaping work like tree planting and sod, but leaving the retaining walls to the specialists.

    We would be honored to bid on your commercial retaining wall project or help with budget pricing. We’re confident we’ll be a great partner for your team.

    Let's work together