How and where to use guide

UGRL 470MM UNDERGROUND CHAMBER RAISING PIECE should be used according to the intended application and site requirements. How and where to use: - Prepare surfaces and adjoining assemblies before installation. - Install to manufacturer guidance and relevant site standards. - Check fit, alignment, and finish quality before handover. - Additional context: All risers are supplied complete with a fully lubricated sealing ring, benefiting both stockists and installers. For compliance with Building Regulations 2000 Approved Document H (Drainage & Waste Disposal) a 350mm reducing ring is required for heights abov...