06 May 2025

SPRA NFRC Declarations of Performance and Conformity Assessment Marking

This document builds on the guidance outlined above. It focusses on the background to the Construction Products Regulations; the impact of Brexit; the obligations of manufacturers of construction products covered by a designated/harmonised standard; Declarations of Performance (and derogations); the use of conformity assessment marking; and lists all designated/harmonised standards relevant to flat roofing.