Water pipe with an outer green colour is available to meet regulatory requirements for rainwater installation. 
Green pipes have the same physical and mechanical properties as titanium pipes and should be installed similarly. 
 
Lightning PE100 rainwater pipe features: 
Suitable for rainwater installation 
Green PE outer layer 
Dimensions 16-20mm
5m lengths and 100m coils
Pipe is labelled Green Crimp fittings only