A bonded fastener consists of a fastening element and a bonding material (mortar). Bonded fasteners are available as injection systems or cartridge systems. They are placed into pre-drilled holes and

A power-actuated fastener is a bolt made of steel with a bolt head or threaded connection also made of steel. It is driven into the concrete with the help of a power-actuated fastening tool with or wi

A plastic fastener consists of a plastic sleeve and a steel or plastic expansion element. The plastic fastener is placed into a pre-drilled hole in the base material and anchored through expansion of

Punching shear reinforcements are special reinforcements used in place of stirrups or bent reinforcements to increase the punching shear resistance of beam supports for reinforced concrete floor slabs

An anchor channel is a fastening system that consists of a channel profile with permanently attached anchors and channel bolts. The channel profile with the anchors is fastened to the formwork prior t

Space frames are three-dimensional frame structures which serve as roof or building structures. They usually consist of frame members (tubes) and nodes. At least two frame members are joined at a node

Separator systems for light liquids serve to separate light liquids of mineral origin from commercial wastewater. Separator systems

A hold-open device is a system of devices or device combinations suitable for the controlled disabling of the function of closing devices. Hold-open devices may be used on fire doors, smoke control do

Masonry is made from masonry units using mortar or other bonding agents or not. Different techniques are used to produce masonry for different application areas. In many cases, the masonry units for t

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

Anchor bolt steels are manufactured in hot rolling mills (by quenching, cold-drawing or additional tempering, alone or in combination) in straight lengths. The steel rod surface is ribbed or threaded.

Special closures / hold-open devices / accessories

Soil injection products are products used for injection into the subsoil as a pore injection for sealing soil for geotechnical purposes (construction pit sealing). Earth work and foundation engineerin

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

Coatings (including inner coatings) and linings are used for creating liquid-tight sealings for collecting trays, collecting rooms and surfaces in storage and filling facilities for manure, slurry and

To create (load-bearing) surface seals in storage and filling facilities for manure, slurry and silage effluent (MSS facilities) and biogas storage and filling facilities (biogas SF facilities), liqui

A double-skin tank is a tank in which there is a second skin at least up to the height of the maximum permitted filling level and the interstitial space between the inner and outer skin is suitable as

Expansion joints for road bridges are designed to accommodate movements between the bridge segment and bridge abutments. The dimensioning of the joints is derived from the required movement capacity a

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

A leak detection system is used to monitor the tightness of both the primary and the secondary skin of a double-skin tank or pipe within the meaning of water legislation. For this purpose, any deviati

With their very low thermal conductivities, insulation products play an important role in thermal insulation and in improving the energy performance of buildings. A multitude of different materials ar

Pipes, fittings and inspection chambers are parts of rainwater or waste water drains for property drainage. They serve to ensure the safe discharge of surface water and/or waste water from the propert

A fire-resistant damper of special construction technique and application is a construction technique for sealing fire compartments. It mainly consists of a shut-off device integrated into a fire-resi