Sealants for drains serve to prevent, in connection with pipework parts such as pipes and fittings, the leakage of discharged waste water. In the case of underground drains, the sealant also ensures t

Waterproofing slurries are used for waterproofing of buildings. Differentiation is made between mineral-based waterproofing slurries (rigid or flexible) and polymer-modified thick coatings. In additio

Glass fibre reinforced plastic (GFRP) rebars are one example of non-metallic rebars. They are serrated to ensure sufficient bonding with the concrete. Reinforcements made of glass fibre reinforced pla

Fire protection systems mainly consist of straight air duct sections, fittings, seals, connectors and fasteners, classified or unclassified wraps and shut-off devices for fire and smoke etc. They may

Impact sound insulation products are placed under floating screed or used as part of suitable floor systems to improve the impact sound insulation of the floors. Usual delivery forms for the products

Masonry wall elements are room-height and predominantly room-width prefabricated elements (including parapets and gables). The individual masonry wall elements are manufactured at the factory from mas

Metal sealings are installed in collecting devices made of concrete to make them liquid-tight. Liquid-tight collecting trays and devices are enclosures serving to meet the requirement for secondary co

Filling systems are composed of branched filling lines (pipes) and are used to fill several tanks of a heating oil system or diesel storage system simultaneously (battery installation). Plastic tanks,

Special closures / hold-open devices / accessories

A composite floor consists of a combination of profiled steel sheeting and concrete (and additional reinforcement, where applicable) connected in a shear-resistant manner so that they act together as

Balanced flue systems are room-sealed appliances, meaning that instead of using the air of the heating room as combustion air, outside air is supplied to the appliance. Balanced flue systems convey co

Construction products and construction techniques for airborne sound insulation ensure that airborne sound insulation requirements in buildings can be met. Thermal and sound insulation products

Various construction products that serve as safety devices within the meaning of water legislation and contribute to preventing damage to water bodies are referred to as 'special fittings for tanks fo

Concrete technology

The work area 'Strengthening of concrete structures with bonded reinforcement' comprises kits for retrofitting aimed at increasing the flexural and shear resistance of existing concrete structures (st

Curtain injections are used for retrofit waterproofing of damp structures, e.g. basements. For this, a gel is introduced into the surrounding soil (or groundwater), where it hardens. Waterproofing of

DIN 4426 stipulates that anchoring devices for personal fall protection equipment as well as rope and rail systems need to be provided for building maintenance. Since there are no product standards or

Systems for treating stormwater run-off containing mineral oil serve to purify run-off from motor vehicle traffic areas to such an extent that the effluent may subsequently be infiltrated into the gro

Retrofit kits are systems consisting of multiple components which are installed on site in existing tanks forming part of the wastewater treatment plant. The retrofitted small wastewater treatment pla

Intumescent products are fire-stopping and fire-sealing products which foam up or expands permanently when exposed to high temperatures which creates a fire-sealing effect. The expanded product seals

Construction techniques and construction products (usually XPS, EPS or foam glass boards) for perimeter insulation of walls and basement floors in contact with the ground must meet special requirement

Scaffolds are temporarily connected to the structure with scaffold anchors. A scaffold anchor consists of a part permanently embedded in the concrete (e.g. threaded plate or anchor plate), the connect

Plywood for scaffolding is special increased-strength veneered plywood treated with a protective agent and featuring a wear-resistant, anti-slip finish. It is used to manufacture the toe-board (walk-o

Special fire-resistant components in ventilation technology are service duct components consisting mainly of a supporting tray, cladding, supply and discharge lines, electrical cables and ventilation

Smoke dampers are shut-off devices for preventing the spread of smoke via air ducts. They shut automatically after being triggered by a triggering mechanism, which is actuated upon detection of smoke