| 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 598:2012 | Cold Formed Steel Framing Members for Structural Applications - Specification | Construction Products | 2012 | Compulsory | Withdrawn |
| TTS 625-1:2012 | Steel Nails - Part 1: General Requirements | Construction Products | 2012 | Voluntary | Withdrawn |
| TTS 69:2012 | Steel Sheets - Zinc and Aluminium-Zinc Alloy Coated - Profiled for Roofing and General Purposes - Specification (1st Revision) | Construction Products | 2012 | Compulsory | Withdrawn |
| 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 |
| 2010 |
| | | | |
| TTS/ASTM A 615M:2010 | Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement | Construction Products | 2010 | Compulsory | Withdrawn |
| TTS/ASTM A706M:2010 | Standard Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement | Construction Products | 2010 | Compulsory | Withdrawn |
| TTS/ASTM C90:2010 | Standard Specification for Loadbearing Concrete Masonry Units | Construction Products | 2010 | Compulsory | Withdrawn |
| 2007 |
| | | | |
| TTS 584:PART 1: 2002/Amendment 1 (2007) | Portland Cement - Ordinary and Rapid Hardening - Specification (Amendment) | Construction Products | 2007 | Compulsory | Withdrawn |
| TTS 584:PART 2: 2002/Amendment 1 (2007) | Portland Cement - Ordinary and Rapid Hardening - Chemical Test Methods (Amendment) | Construction Products | 2007 | Voluntary | Withdrawn |
| 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 |
| 2003 |
| | | | |
| TTS 593:2003 | Modified Trinidad Lake Asphalt- Specification | Construction Products | 2003 | Voluntary | Withdrawn |
| 2002 |
| | | | |
| TTS 416:2002 | Steel Nails - Specification | Construction Products | 2002 | Compulsory | Withdrawn |
| TTS 570:2002 | Specification for the Identification of the Contents of Pipelines, Piping, Ducts and Conduits | Construction Products | 2002 | Voluntary | Current |
| TTS 584:Part 1:2002 | Portland Cement - Ordinary and Rapid-Hardening - Specification | Construction Products | 2002 | Compulsory | Withdrawn |
| TTS 584:Part 2:2002 | Portland Cement - Ordinary and Rapid - Hardening - Chemical Test Methods | Construction Products | 2002 | Voluntary | Withdrawn |
| TTS 590:2002 | TLA-Raw Materials - Materials Specification | Construction Products | 2002 | Voluntary | Withdrawn |
| 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 |
| 1991 |
| | | | |
| TTS 16 40 400-1.1991 | Methods of Measurement and Evaluation of Defects in Timber - Part 1: Logs | Construction Products | 1991 | Voluntary | Withdrawn |
| 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 |
| 1986 |
| | | | |
| TTS 16 35 510-1986 | Specification for Hollow Clay Blocks | Construction Products | 1986 | Voluntary | Withdrawn |
| TTS 31 45 502.1986 | Diameter of Clearance Holes and Counterbores for Bolts and Screws | Construction Products | 1986 | Voluntary | Withdrawn |
| 1985 |
| | | | |
| TTS 16 05 000-1985 | Building and Civil Engineering General Vocabulary- Part 1 | Construction Products | 1985 | Voluntary | Withdrawn |
| 1984 |
| | | | |
| TTS 16 66 501.1984 | Requirements for the Care and Use of Portable Timber Ladders | Construction Products | 1984 | Voluntary | Withdrawn |
| 1982 |
| | | | |
| TTS 16 35 509:1982 | Specification for Non-Load Bearing Concrete Masonry Units | Construction Products | 1982 | Voluntary | Withdrawn |
| 1978 |
| | | | |
| TTS 16 35 503-1978 | Specification for Hard Drawn Mild Steel Wire for the Reinforcement of Concrete | Construction Products | 1978 | Voluntary | Withdrawn |
| TTS 16 35 504.1978 | Specification for Steel Fabric for the Reinforcement of Concrete | Construction Products | 1978 | Voluntary | Withdrawn |
| TTS 16 40 000.1978 | Glossary of Timber Names for Use in Trinidad and Tobago | Construction Products | 1978 | Voluntary | Current |
TTBS Standards Database