Harmer Uni-Ring Supports
Applications, Materials & Installation Harmer Uni-Ring is ideal for use on terraces, walkways and balconies and is especially suited for inverted roof constructions where ballasted insulation is laid onto flat roof waterproofing Harmer Uni-Ring is positioned to support adjoining slabs at each corner, whilst maintaining open joints for fast, efficient drainage and comprises stackable units with spacers for open joint drainage when required Spacers are collapsible for closed jointing and edge detailing Shims are available for fine height adjustment Materials & Finishes Harmer Uni-Ring is manufactured from shallow injection moulded polyethylene It is watertight and resistant to mould and freeze-thaw Installation & Maintenance Harmer Uni-Ring is quick and easy to install. Traditional bedding and grouting materials are not required Once installed, paving slabs can be easily lifted for simple inspection of drainage outlets and for substructure maintenance