| 2021 |
| | | | |
| TTCS 8:2021 | Steel Bars for the Reinforcement of Concrete - Compulsory Requirements | Construction Products | 2021 | Compulsory | Current |
| 2020 |
| | | | |
| TTCS 2:2020 | Concrete Masonry Units - Compulsory Requirements | Construction Products | 2020 | Compulsory | Current |
| TTCS 4:2020 | Rolled Structural Steel Products - Bars, Plates, Shapes and Sheet Piling - Compulsory Requirements | Construction Products | 2020 | Compulsory | Current |
| 2019 |
| | | | |
| TTS 598:2019 | Cold-formed steel framing members for structural applications - Specification (1st Revision) | Construction Products | 2019 | Compulsory | Current |
| TTS 69:2019 | Profiled steel sheets for roofing and siding applications - Specification (2nd Revision) | Construction Products | 2019 | Compulsory | Current |
| 2016 |
| | | | |
| TTS/CRS 54:2016 | Specification for Cement | Construction Products | 2016 | Compulsory | Current |
| 2015 |
| | | | |
| TTS 588:2015 | Hollow Clay Blocks - Horizontal Core - Specification | Construction Products | 2015 | Compulsory | Current |
| 2014 |
| | | | |
| TTS/ISO 3633:2014 | Plastics Piping Systems for Soil and Waste Discharge (Low and High Temperature) Inside Buildings - Unplasticized Poly(Vinyl Chloride) (PVC-U) | Construction Products | 2014 | Voluntary | Current |
| TTS/ISO 4435:2014 | Plastics Piping Systems for Non-Pressure Underground Drainage and Sewerage - Unplasticized Poly(Vinyl Chloride) (PVC-U) | Construction Products | 2014 | Voluntary | Current |
| 2012 |
| | | | |
| TTS/ASTM D5710:2012 | Standard Specification for Trinidad Lake Modified Asphalt | Construction Products | 2012 | Voluntary | Current |
| 2011 |
| | | | |
| TTS 625-2:2011 | Steel Nails - Part 2: Hardened Steel Nails | Construction Products | 2011 | Compulsory | Current |
| TTS 590:2011 | Refined Trinidad Lake Asphalt (TLA) - Specification (1st Revision) | Construction Products | 2011 | Voluntary | Current |
| 2005 |
| | | | |
| TTS 587:2005 | Hollow Clay Block - Vertical Core - Specification | Construction Products | 2005 | Compulsory | Current |
| TTS 76: Part 18:2005 | Requirements for Labelling - Part 18: Labelling of Plywood | Construction Products | 2005 | Compulsory | Current |
| 2002 |
| | | | |
| TTS 570:2002 | Specification for the Identification of the Contents of Pipelines, Piping, Ducts and Conduits | Construction Products | 2002 | Voluntary | Current |
| TTS/ASTM D 6626:2002 | Standard Specification for Graded Trinidad Lake Modified Asphalt Binder | Construction Products | 2002 | Voluntary | Current |
| 1998 |
| | | | |
| TTS 551:1998 | Specification for Rotationally Moulded Polyethylene Water Storage Tanks | Construction Products | 1998 | Voluntary | Current |
| 1987 |
| | | | |
| TTS 16 40 001.1987 | Glossary of Terms Relating to Timber and Woodwork | Construction Products | 1987 | Voluntary | Current |
| TTS 26 20 513.1987 | Specification for Testing Zinc Coatings on Steel Wire and for Quality Requirements | Construction Products | 1987 | Voluntary | Current |
| 1978 |
| | | | |
| TTS 16 40 000.1978 | Glossary of Timber Names for Use in Trinidad and Tobago | Construction Products | 1978 | Voluntary | Current |
TTBS Standards Database