FAQ2026-05-20T16:05:59+02:00
What are precast concrete beams and columns?2026-05-12T07:55:10+02:00

Precast concrete beams and columns are concrete building elements that are produced in advance in a factory, rather than being poured on site. This ensures consistent quality and speeds up construction time, as the components are ready for assembly as soon as they arrive on site.

What are precast concrete beams and columns used for?2026-05-12T07:55:10+02:00

Precast concrete beams and columns are used in various types of construction projects, such as:

  • Industrial buildings: For large spans and robust structures.
  • Residential complexes: For fast and efficient construction of apartments and residential buildings.
  • Infrastructure: For bridges, overpasses and other civil works.
  • Commercial buildings: For offices, shopping centers and other commercial spaces.
Are precast concrete beams and columns strong enough for heavy loads?2026-05-12T07:57:19+02:00

Yes, precast concrete beams and columns are designed (based on calculation notes) to carry heavy loads. They are tested and manufactured to meet the requirements of the specific project, be it an industrial hall, a bridge or an apartment complex. Their strength and durability make them suitable for long-term construction.

What are predals?2026-05-12T07:55:10+02:00

Precast concrete slabs are precast concrete slabs constructed of a concrete layer with integrated lattice girders. At the job site, additional concrete is poured on the lattice girders and the protruded reinforcement, creating a solid, sturdy floor.

What is the difference between predals and concrete floor slabs?2026-05-12T07:55:10+02:00

Predals are precast concrete slabs with integrated lattice girders. Additional concrete is poured on site on top of the lattice girders and the protruded reinforcement, creating a solid floor that can be heavily loaded and flexibly retrofitted (e.g. drill holes or install piping).

Vaults have a similar purpose, but are hollow precast elements with prestressing reinforcement. This limits the placement of holes or piping because the reinforcement must not be touched. Predals thus offer more flexibility and ultimately create a full, solid concrete floor, while vaults have more restrictions.

Why choose predals instead of other floor structures?2026-05-12T07:55:10+02:00

Predals offer multiple advantages, including excellent load capacity, quick installation and durable performance. Because of their prestressed construction, they can support heavy loads without deforming. In addition, installation is much faster than traditional concrete floors.

Are concrete floor slabs suitable for all types of buildings?2026-05-12T07:55:07+02:00

Yes, concrete floor slabs are versatile and can be used in a wide range of construction projects, from residential to commercial buildings. They provide a stable and durable base for floors and are suitable for both new construction and renovations.

What is the difference between hollow and full concrete walls?2026-05-12T07:55:07+02:00

Hollow concrete walls are lighter during installation because they have an open structure internally, while full walls are completely solid. Hollow walls are therefore easier to handle and faster to install.”

Are hollow walls suitable as load-bearing walls?2026-05-12T07:55:06+02:00

Yes, hollow concrete walls can be perfectly used as load-bearing elements, depending on the type and application. They combine lower weight (during assembly) with sufficient load-bearing capacity.

Can pipes or insulation be incorporated into hollow walls?2026-05-12T07:55:06+02:00

In many cases, features such as insulation can be integrated during production.

Are hollow walls fireproof?2026-05-12T07:55:06+02:00

Hollow walls in precast concrete meet common fire safety requirements.

What are precast sandwich panels?2026-05-12T07:55:03+02:00

Precast sandwich panels consist of two concrete shells with an insulation layer (in PIR or rock wool) between them. They combine bearing capacity, insulation and finishing in one efficient building component.

Where are sandwich panels most often used?2026-05-12T07:55:03+02:00

They are ideal for facades of industrial buildings, logistics centers, offices and even apartments. Thanks to their insulating core, they meet today’s requirements for energy efficiency.

Are there finishing options available?2026-05-12T07:55:03+02:00

Yes. Depending on the project, you can choose decorative concrete, colored or blasted concrete, textured mats or stone strips. This will give the faƧade the right look without additional operations on site.

How will these panels be installed?2026-05-12T07:55:03+02:00

They are produced to size and assembled on site immediately using cranes. The rapid installation reduces construction time. Anchoring the panels to the structure is a separate study.

Can the hybrid floor plates be custom-made?2026-05-12T07:54:56+02:00

Absolutely. C-concrete manufactures all hybrid floor slabs in-house, allowing dimensions, spans and technical details to be fully tailored to the project design.

In what projects can hybrid floor slabs be used?2026-05-12T07:54:56+02:00

Hybrid floor slabs are ideal for office and residential projects, public buildings or renovations where both appearance and acoustic comfort are important. Their light weight and prefabricated production make them suitable for a variety of building applications.

What is the process of installing hybrid floor slabs on site?2026-05-12T07:54:56+02:00

The boards are delivered completely prefabricated, with integrated connections and fastening points. This makes assembly fast, efficient and error-free.

How do full walls affect turnaround time?2026-05-12T07:54:53+02:00

Prefabrication moves critical hours from the job site to the factory. This provides predictable delivery times and shortens the assembly window, which helps reduce overall lead time.

What finishes are possible with full walls?2026-05-12T07:54:53+02:00

C-concrete offers different levels of finishing: 1x dusted, 2x dusted, rolled or getaloucheerd (=flattened). Thus the desired flatness and appearance are achieved according to standards. Polished full walls are also possible.

How are full walls transported?2026-05-12T07:54:53+02:00

We use sleds instead of trailers. This makes transportation more stable and prevents damage during movement.

Are full walls suitable for exposed concrete?2026-05-12T07:54:53+02:00

Yes, given the right finish and surface treatment, full walls can serve perfectly as exposed concrete in architectural projects.

Can full walls be combined with other precast elements?2026-05-12T07:54:53+02:00

Absolutely. They fit seamlessly with other precast solutions such as floor elements, stairs and faƧade panels.

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