Egcobox®

Thermal Break Balcony Connectors

Egcobox® is an approved certificated system for preventing thermal bridging between cantilevered components such as balconies, walls etc, and has been awarded BBA certification.

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Thicknesses and material types of thermal insulation

The structural function of the Egcobox® elements is provided by a bar framework made of reinforcing steel, which is passed through the thermal insulation that is usually 80 to 120 mm thick. Depending on the project requirements, Egcobox® can be manufactured with any of the following insulation materials:

Polystyrene 0.031 W/mK
Rock wool 0.037 W/mK
Phenolic foam 0.021 W/mK

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Protrusion of the insulation with various floor slab thicknesses

The Egcobox® cantilever connector is a component adapted to the load situation and the geometrical specifications. When the balcony slab and reinforced concrete floor slab have different connection heights, Egcobox® connectors, with a protruding insulating element, can make construction easier. The insulation of the Egcobox® constitutes the formwork of the thicker component. This reduces the formwork effort for the thicker slab and prevents additional doubling of the insulation on site.

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Close-fitting compression units for simple installation

The compression units are fitted close to the insulating body of the Egcobox®.

The compression unit thus rests inside the concrete cover and a collision-free installation with the on-site reinforcement is ensured.

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Two-part Egcobox® for semi-prefabricated members

If a balcony is planned as a semi-prefabricated member, the Egcobox® element is manufactured from two parts. Two variants are possible for this purpose:

Variant FO – Bottom section with close-fitting compression units including fixing on filigree element – depending on the load stage, from an overall height of the Egcobox® of 185 mm (assumption: coupler element thickness = 60mm)
Variant F – Bottom section with compression units and protruding shear force bars (bigger transport dimensions of the filigree element compared to Variant FO) – depending on the load stage, from an overall height of the Egcobox® of 160 mm

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Individual shapes

The Egcobox® cantilever connector can be individually designed according to the geometrical and structural requirements and also adapted to the building or balcony shape. Unlike the standard unit, other unit lengths or a project-specific arrangement of the reinforcement are possible, such as arched Egcobox® units or units with reinforcement running diagonally to the joint.

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Special units

Not only can the Egcobox® be adapted to special geometries, but it can also be configured according to the structural requirements. In this way, for example, horizontal shear forces or normal forces can also be absorbed by the Egcobox® unit. Connections from joists or wall panels can also be individually made with the Egcobox® product.

A combination of the Egcobox® with MAX FRANK Coupler tensile bars is also possible in order to optimise the weight or transport lengths.

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Get in touch today

Our technical team are available now

+44 (0)28 37528 999 Enquire Now

Product Enquiry form

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Egcobox®

Get in touch today

Thicknesses and material types of thermal insulation

Protrusion of the insulation with various floor slab thicknesses

Close-fitting compression units for simple installation

Two-part Egcobox® for semi-prefabricated members

Individual shapes

Special units

Get in touch today

Product Enquiry form

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