Building Line is Impertek's complete range dedicated to waterproofing roofs, terraces and foundations in residential and industrial buildings. The line includes drain connectors, aerators, fittings, collars and more, available in different raw materials to ensure maximum compatibility with bituminous membranes or PVC, TPO, EPDM-TPV synthetic sheets. Impertek carefully selects materials according to the intended laying technique: flame welding, hot air welding or incorporation. In addition to accessories for waterproofing roofs, the range also includes PVC waterstops for foundations, laying equipment and construction tools. Building Line products are characterised by their flexibility, resistance to chemical and atmospheric agents, while maintaining performance even at low temperatures. Building Line represents a reliable and professional solution for all waterproofing needs, bringing high-performance and long-lasting materials to the building site