Marshalls Concrete Walling
Wet-pressed concrete walling for garden, boundary and retaining walls in hard landscaping. Declared per 1 m² of walling face. Module B1 shows CO₂ re-absorption (carbonation) over the service life.

Carbon and evidence
Product Evidence
Evidence currently held for the Marshalls product record.
Recorded Carbon Result
A1–A3 GWP-total per declared unit, per EPD
Indicator: GWP-total
Marshalls Concrete Walling Environmental Product Declaration · EN 15804+A2 core environmental impact indicatorsA1–A3 covers raw-material supply, transport to manufacture and manufacturing. It is product-stage information, not a whole-life result.
Environmental Product Declaration
EPD recorded- Coverage
- Representative product
- Declared unit
- 1 m² (208 kg)
- Programme
- EPD Hub
- Registration
- EPD Hub HUB-0551
- Standard
- EN 15804+A2
- Valid until
- 2028-06-30
- Verification
- Third-party verified
Premium wet-pressed concrete walling; declared per 1 m² of walling face at 208 kg.
Carbon profile
kgCO2e per 1 m² (208 kg) · each bar starts at zero · local scale
A1-A3 product
19.7
A4-A5 site*
10.1
B use
-5.6
C end of life
1.87
D reuse / recycling
-0.81
Reported GWP Modules
Displayed as stored; modules are not added together here.
A1–A3
19.7 kgCO₂e
per 1 m² (208 kg)
A4*
7.24 kgCO₂e
per 1 m² (208 kg)
A5*
2.82 kgCO₂e
per 1 m² (208 kg)
B1
-5.6 kgCO₂e
per 1 m² (208 kg)
C1
0.0686 kgCO₂e
per 1 m² (208 kg)
C2
0.931 kgCO₂e
per 1 m² (208 kg)
C3
0.795 kgCO₂e
per 1 m² (208 kg)
C4
0.0789 kgCO₂e
per 1 m² (208 kg)
D
-0.81 kgCO₂e
per 1 m² (208 kg)
Upfront Carbon (A1–A5)*
29.8 kgCO₂e per 1 m² (208 kg)
A1–A3 19.7 + A4 7.24 + A5 2.82 · GWP-total, as declared
Service Life — the B4 Replacement Input
50 years · EPD reference service life
≈2 installations over a 60-year building study period.
Sourced Product Claims
- Third-party verified EPD (EPD Hub, EN 15804+A2)Third-party verifiedSource
Evidence Sources
EPD Hub · EN 15804+A2 core environmental impact indicators
Coverage: Premium wet-pressed concrete walling; declared per 1 m² of walling face at 208 kg.
Comparison Status
The record contains the basic metadata required for a controlled comparison. Products must still perform the same function and use compatible units, PCRs and lifecycle scope.
Design & Specification Notes
Qualitative notes for early design discussion. Not product-specific EPD evidence, and not a basis for numerical comparison.
Wet-pressed concrete walling for garden, boundary and retaining walls in hard landscaping.
Typical Uses
- •Paths & paving
- •Public realm surfaces
- •Permeable groundworks
Key Performance
Durable external surface with slip resistance.
Specification Actions
- •Specify GGBS/PFA cement replacement (target: 50%+ replacement).
- •Request EPD showing embodied carbon per m3.
- •Calculate transport distances for primary materials.
Indicative Health & Indoor Air
Inert concrete; no in-use emissions of concern.
Specification
- Range
- Walling
- Collection
- Concrete Hard Landscaping
- Finish
- Wet-pressed concrete walling block
- Service life
- 50 years