To help our customers and specifiers address ever-increasing legislative, technical, aesthetic and environmental demands, we provide a comprehensive range of support services through our technical services team - PPG Extra.
Technical Specification
Both the needs of specifiers and the specification process itself are evolving with modern construction methods. Through our experience of...
Colour Services
Colour has a huge impact on the way we act and the way we feel, heavily influencing working and living...
Continuing Professional Development (CPD)
Johnstone’s are members of the RIBA CPD Providers Network. We have a variety of approved seminars available for architects and specifiers.Understanding Colour:This seminar aims...