< GBCSL

GREENSL® Labeling Process

GBCSL technical committee has developed a comprehensive green labeling system with the most applicable sustainable building materials and products.

The Application Process

  1. Application Submission
  2. Preliminary meeting with the applicant to brief on the assessment process and criteria by GBCSL team.
  3. Request for relevant reports and documentary proofs to substantiate the subsequent submissions.
  4. Commence the first assessment which will include documentary reviews as well as site verification.
  5. Field audit including on-site random sample collection and data collection for Life Cycle Assessment by a third party technical committee.
  6. Documentary evidences of test reports obtained from Accredited Laboratories are to be submitted during the assessment.
  7. Upon completion of the assessment, the Panel of Assessors will make recommendation to the GBCSL Accreditation Board on certification to be awarded to the material/product. 
  8. The GBCSL Accreditation Board after making their own assessment and will recommend to the Board of Directors of the GBCSL to award appropriate certification.

Accredited Laboratories

Analytical testing should be accredited and performed by laboratories that meet the requirement laid out in the IEC/ISO 17025 or EN 45001 standards or any equivalent systems.  The accreditation scheme for Testing and Calibration laboratories is based on ISO/IEC 17025 – General requirements for the competence of testing and calibration laboratories. Following laboratories are accredited under SLAB ( Sri Lanka Accreditation Board ).

  1. Sri Lanka Standards Institute (SLSI)
  2. Chemical Laboratory of SGS Lanka (Pvt) Ltd
  3. Industrial Technology Institute (ITI)
  4. Process Point Textiles Lanka (Pvt) Ltd
  5.  A  Baur & Company (Pvt) Ltd
  6. Bureau Veritas Consumer Products Services Lanka (Pvt) Ltd
  7. International Laboratories (PVT) Ltd
  8. Analytical Laboratory of Sri Lanka Tea Board
  9. Jefferjee Brothers Tea Laboratory
  10. Physical Testing Laboratory of Dipped Products PLC
  11. Soil and Plant Analysis Laboratory CIC Agri Business (Private) Ltd
  12. Tokyo Cement Company (Lanka) PLC
  13. Fertilizer Testing Laboratory of Ceylon Fertilizer Company Ltd
  14. Chemical Laboratory of Quality Control and Quality Assurance Division
  1. Coconut Development Authority
  2. Sri Lanka Institute of Textile & Apparel
  3. Intertek Lanka (Pvt) Ltd
  4. Tea Quality Assurance Laboratory Finlays Colombo PLC
  5. Trade Solutions Lanka (Pvt) Ltd
  6. Fonterra Brands Lanka (Pvt) Ltd
  7. Laboratory of Apollo Marine International (Pvt) Ltd
  8. Physical Testing Laboratory of Dipped Products PLC
  9. Melbourne Textile Washing Palnt ( Pvt) Ltd
  10. XRF Laboratory, Atomic Energy Authority
  11. Geocycle Analytical Laboratory
  12. Bamber and Bruece Ltd- Chemical Laboratory
  13. Ceylon Tobacco Company
  14. Low Level Counting Laboratory – Atomic Energy Authority
  15. MJF Holdings (Pvt) Ltd


The development of GREENSL® Labelling system was done by the technical committee consisted with following expertist and leading institutions in Sri lanka after a proper study about the Sri Lanka Conditions and requirments.

  Prof. Priyan Mendis (Chairman) Dept. of Civil and Environmental Engineering, University of Melbourne, Australia
  Prof. Thishan Jayasinghe Former Head,- Dept. of Civil Engineering, University of Moratuwa
  Prof. Sarath Kotagama Dept. of Zoology, University of Colombo
  Prof. Chintha Jayasinghe Dept. of Civil Engineering, University of Moratuwa
  Eng. WJB Shiromal Fernando (Vice Chairman) Former (Hon.) Secretary, Society of Structural Engineers, Sri Lanka. Representative for Sri Lanka, World Council of Tall Buildings and Urban Habitat (CTBUH)
  Archt. Ravihansa Chandratilake Dept. of Building Economics, University of Moratuwa
  Prof. Ranjith Dissanayake (Ex.Vice Chairman) Head,Dept. of Civil Engineering, University of Peradeniya
  Dr. Lochana Gunarathne (Director) Former President, Academy of Sciences Sri Lanka
  Dr. Ranjith Gammampila (Director) Dept. of Civil and Environmental Engineering, University of Melbourne Australia
  Dr. Shiromi Karunarathne Former Head, Dept. of Earth Resources Engineering, University of Moratuwa
  Prof. Devaka Weerakoon Dept. of Zoology, University of Colombo
  Mr. Lionel Nawagamuwa Director, Green Building Council of Sri Lanka
  Prof Anul Perera Dept. of Chemical and Process Engineering, University of Moratuwa


Download the application form

GLS® Logo

Currently GBCSL will award you the following logo to use on the applied product if success