PDF ISO 9001:2015
Quality Management System
- Certificate no.
- QMS-26-1805-DER
- Issue date
- 18 May 2026
- Valid until
- 17 May 2027
Certificates and Standards
Our quality, environmental and occupational health and safety management systems are certified. You can view and download each certificate in full as a PDF.
PDF 
PDF ISO 14001:2015
Environmental Management System
- Certificate no.
- EMS-26-1805-DER
- Issue date
- 18 May 2026
- Valid until
- 17 May 2027
PDF ISO 45001:2018
Occupational Health and Safety Management
- Certificate no.
- HSMS-26-1805-DER
- Issue date
- 18 May 2026
- Valid until
- 17 May 2027
- Certificate holder
- Derya İnşaat Malzemeleri İnşaat Taahhüt Sanayi ve Ticaret Limited Şirketi
- Certification body
- KIOSCERT Certification Services Limited
- Certification scope
- Design, construction, repair and maintenance of buildings and sale of construction materials and construction chemicals production
The validity of the certificates is subject to the satisfactory completion of the certification body’s annual surveillance audits.
Standards and classes per product
Standard references and performance classes stated in the technical data sheets.
| Product | Class | Standard |
|---|---|---|
| FIXDER+Ceramic Tile Adhesive | — | TS EN 12004-1 |
| FLEXDER+Ceramic and Granite Tile Adhesive | C2TEA1 | TS EN 12004-1TS EN 13501-1 |
| DERZMIXTile Grout (1–6 mm) | — | EN 12808 |
| RP-2605+Fine Repair Mortar | R2 | EN 1504-3 |
| RP-2606+Thick Repair Mortar | R2 | EN 1504-3 |
| GROUTDERNon-Shrink Grout Mortar | — | EN 413-2 |
| PLASTDER İNCEFine Render | CS IVW1 | EN 998-1 |
| PLASTDER KALINThick Render | CS IIIW1 | EN 998-1 |
| DEKOPLAST 2604Mineral Decorative Render | A1CS IIIW1 | EN 998-1EN 15824 |
| MAXPLAST 2602Thermal Insulation Board Render | R2 | — |
| BLOCKFIX Örgü HarcıAAC Block Jointing Mortar | M10 | EN 998-2 |
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