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Hollow FloorHollow floors offer an economic alternative floor system to a raised floor.

Gypsum panels are used for dry-type Hollow floors. These panels are tongued and grooved together and bonded.

The panels are gaplessly connected, which means that, once installed, it will no longer be possible to remove panels individually.

Inspection openings offer a means of accessing the installation in the hollow space.

The great advantage of this construction is that it prevents the ingress of unwanted dampness into the building and avoids the delays while waiting for screed surfaces to dry.

They weigh much less than conventional hollow floor systems and they offer more free space for installations thanks to the reduction in floor height.

A dry-type Hollow floor is the ideal solution for particularly expeditious construction projects.

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Preference is given to the use of hollow floors in offices and administration buildings. Hollow floors are also fitted in rooms used for training, research and production purposes as these panels have a high load bearing capacity.

System floors create an additional installation level.

Various media can be routed through the hollow cavity created by the pedestals and panels according to the respective application.

This allows a high degree of flexibility by offering easy access to the installations at any time.

Raised floors therefore offer maximum flexibility and enable unlimited changes to the floor configuration.

Standardized to a size of 600 x 600 mm, all raised floor panels have the same dimensions and are therefore interchangeable.

Dry hollow floors also offer a means of accessing the installations through the inspection openings.

With careful planning, a dry hollow floor can be an economic alternative to a raised floor.

Easy integration of underfloor heating and underfloor air conditioning thanks to prefabricated grooves worked into the underside of each panel.

Dry hollow floors are ready for use immediately after assembly.

Wet hollow floors are the most cost-effective system floor variant.

This type of system floor may be used if there is sufficient time to allow drying of screed applied to formwork panels.

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Technical data

Tongue and groove

Element acc. to EN 15283-2Element effective measurement mmElement thickness mmWeight (Density ≥ 1500 kg/m3) approx. kg/pcs.
FHB 251200 x 6002527,0 kg
FHB 25600 x 6002513,5 kg
FHB 281200 x 6002830,2 kg
FHB 28600 x 6002815,1 kg
FHB 321200 x 6003234,6 kg
FHB 32600 x 6003217,3 kg
FHB 381200 x 6003841,2 kg
FHB 38600 x 6003820,6 kg

Tooth milling

Element Bez acc. to EN 15283-2Element effective measurement mmElement thickness mmWeight (Density ≥ 1500 kg/m3)
approx. kg/pcs.
FP 410-25600 x 6002515,2 kg
FP 410-28600 x 6002816,1 kg
FP 410-30600 x 6003018,3 kg
FP 410-32600 x 6003219,0 kg
FP 410-34600 x 6003421,6 kg
FP 410-36600 x 6003623,5 kg
FP 410-38600 x 6003824,2 kg
FP 410-40600 x 6004024,9 kg

Load increase

Element acc. to EN 15283-2Element effective measurement mmElement thickness mmWeight (Density ≥ 1500 kg/m3) approx. kg/pcs.
LEP 131200 x 6001314,1
LEP 181200 x 6001819,5

Installation

Glue is attached on the tooth milling.

Then the tooth millings are connected.**

If there is enough glue, it will swell out.

Remove the excess adhesive after curing with a spatula.

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