GCS Interior
A lime silicate for interior work on historic and lime-plastered walls, where the silicate binder chemically bonds into a mineral substrate instead of forming a film over it. The reason it appears on heritage specifications is that behaviour, not its carbon: it is the most vapour-open of the range and it will not lift off an old wall the way a film-forming paint can.
Carbon and evidence
Product Evidence
Evidence currently held for the Graphenstone product record.
Recorded Carbon Result
A1–A3 GWP-total per m² at two coats, per this product group’s results table. This product group is declared with B1 = 0: it does not take up CO₂ in use. Counting every declared module the whole-life total is +0.234 kgCO2e/m².
Indicator: GWP-total
A1–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
- Product family
- Declared unit
- 1 m² two coats, 10-year RSL
- Programme
- EPD International (The International EPD® System)
- Registration
- EPD-IES-0001050:006 (S-P-01050)
- Standard
- EN 15804:2012+A2:2019/AC:2021, ISO 14025:2006
- Valid until
- 2027-06-28
- Verification
- Third-party verified
Group declaration covering GCS Interior. Declared on its own. Despite being a lime silicate, it is declared with B1 = 0 and does not appear on the EPD’s list of CO₂-fixing references. The EPD declares seventeen Graphenstone references across several result groups; only this group’s table has been used here. Primary data is from the Seville factory, 2019.
Carbon profile
kgCO2e per 1 m² of surface, two coats, 10-year service life · each bar starts at zero · local scale
A1-A3 product
0.196
A4-A5 site*
0.0368
B use
0
C end of life
0.00132
D reuse / recycling
0
Reported GWP Modules
Displayed as stored; modules are not added together here.
A1–A3
0.196 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
A4*
0.0321 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
A5*
0.00468 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
B1
0 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
C1
0 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
C2
<0.001 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
C3
0 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
C4
<0.001 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
D
0 kgCO₂e
per 1 m² of surface, two coats, 10-year service life
Upfront Carbon (A1–A5)*
0.233 kgCO₂e per 1 m² of surface, two coats, 10-year service life
A1–A3 0.196 + A4 0.0321 + A5 0.00468 · GWP-total, as declared
Service Life — the B4 Replacement Input
10 years · EPD reference service life
The EPD declares a 10-year reference service life with no maintenance, repair or replacement in that period. Repainting cycles dominate the whole-life carbon of any paint — three repaints over 30 years costs three times A1–A3, and a carbonation credit does not accrue on a surface that has been painted over.
≈6 installations over a 60-year building study period.
Sourced Certifications & Contributions
EU Ecolabel
Listed in the EPD company section; certificate number not stated there.
EUROFINS Indoor Air Comfort GOLD
Listed in the EPD company section; certificate number not stated there.
Cradle to Cradle
The EPD records C2C Gold "granted in 2016", certificate 2788. C2C certification is time-limited, so a 2016 grant is not evidence of a current certificate — treat as unverified until the current one is seen.
ISO 14001
Registration ES-2013/0248, per the EPD company section.
Evidence Sources
EPD International (The International EPD® System)
Comparison Status
This result should be displayed for information only and not ranked against another product.
- • The carbon result is not linked to an evidence source.
- • The EPD is not linked to an evidence source.
Design & Specification Notes
Qualitative notes for early design discussion. Not product-specific EPD evidence, and not a basis for numerical comparison.
A lime silicate for interior work on historic and lime-plastered walls, where the silicate binder chemically bonds into a mineral substrate instead of forming a film over it.
Typical Uses
- •Interior wall finish
- •Feature surfaces
- •General fit-out
Key Performance
Durable surface for daily wear.
Specification Actions
- •Confirm the current EPD covers the selected product, finish and manufacturing route.
- •Calculate transport distances for primary materials.
- •Document material reuse or reclaimed content percentages.
Indicative Health & Indoor Air
Specification
- Range
- GCS
- Collection
- Graphenstone Premium
- Finish
- Lime silicate mineral paint
- Service life
- 10 years
- Country of manufacture
- Spain