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The RSTA can provide technical advice, site investigation and expert witness reports relating to road surface treatments or asphalt road surfacing. Please contact [email protected]


Our partner company, RST Testing Limited, which is an ISO/IEC 17025 certified testing laboratory accredited by the United Kingdom Accreditation Service (UKAS) for completing most of the methods for testing, inspection & conformance in relation to road surface treatments, including BS 1707: Method of Test for Uniformity of Transverse Distribution of Binder (Depot Tray Test), and the documentation of Type Approval Installation Trials (TAIT) and subsequent Visual Assessment reports for relevant road surface treatments.

Please contact Rory O’Connor – 07817 116420 – [email protected]