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A genuine alternative.

Trapezoidal profiles are often used as supporting static substructures for build-ups on warm and cold roofs. For this reason, Zambelli has developed the innovative Thermo-Z spacer profile for substructures,. Its several rows of slotted holes, which are arranged in a staggered manner, allow for a reduced thermal bridge effect and better U-values. Thermal separating strips, commonly used between the roof cladding and the supporting structure, are no longer necessary. The Thermo-Z spacer profile provides an alternative to classic wood.

The Energy Saving Ordinance (ENEV) at a glance.

It is impossible to build or renovate a warm roof today if you do not comply with the energy efficiency standards. During the planning stage, it is important to strike a balance between the legally required U-values and roof construction costs.

Build-ups with the Thermo-Z spacer profile.

RIB-ROOF metal roof systems offer a wide variety of build-ups for warm and cold roofs. Trapezoidal profiles are often used as a supporting static substructure in the industrial construction due to their excellent cost-efficiency. Forschungsinstitut für Wärmeschutz e.V. Munich (FiW) has confirmed that outstanding U-values can be achieved with the newly developed Thermo-Z spacer profiles. Thus, we recommend using the innovative Thermo-Z spacer profile to combine economc efficiency and sustainability in the simplest way.

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Your benefits at a glance.

  • Low heat conduction & improved U-value.
    The heat flow is diverted through the longitudinal slots, significantly improving the U-value.
  • Lightweight design.
    The roof superstructures with the Thermo-Z spacer profiles correspond to the lightweight metal construction, similarly to the roof superstructures with standard Z-profiles.
  • Simple installation.
    Installation is completed in a few simple steps thanks to the pre-drilled holes and the supplied butt connectors.

Roof build-ups with the Thermo-Z spacer profile.

Roof build-ups with Thermo-Z spacer profiles can be used for both truss and purlin roofs. Depending on the requirements, the Thermo-Z spacer profiles are laid in a single layer at 90° or 45° to the trapezoidal sheet metal rafters. They are mainly used for warm roofs, but cold roofs with a free ventilation cross-section can also be executed.

Examples for the installation of Thermo-Z spacer profiles:

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  • All
  • installed at 45° to the trapezoidal sheet
  • installed at 90° to the trapezoidal sheet
  • Evolution
  • Speed 500
Installed at 90° to the trapezoidal sheet, single layer
  1. RIB-ROOF Evolution
  2. Directional clip (optional: turned directional clip)
  3. High diffusion protective sheet (optional)
  4. Thermal insulation (compressed)
  5. Thermo-Z spacer profile (single layer)
  6. Vapour barrier membrane
Installed at 90° to the trapezoidal sheet, single layer
  1. RIB-ROOF Speed 500
  2. Directional profile (optional: turned directional profile)
  3. High diffusion protective sheet (optional)
  4. Thermal insulation (compressed)
  5. Thermo-Z spacer profile (single layer)
  6. Vapour barrier membrane
Installed at 45° to the trapezoidal sheet, Thermo-Z spacer profile, single layer
  1. RIB-ROOF Evolution
  2. Directional clip (optional: turned directional clip)
  3. High diffusion protective sheet (optional)
  4. Thermal insulation (compressed)
  5. Thermo-Z spacer profile (single layer)
  6. Vapour barrier membrane
Installed at 45° to the trapezoidal sheet, Thermo-Z spacer profile, single layer
  1. RIB-ROOF Speed 500
  2. Directional profile (optional: turned directional profile)
  3. Highly diffusion protective sheet (optional)
  4. Thermal insulation (compressed)
  5. Thermo-Z spacer profile (single layer)
  6. Vapour barrier membrane

Versatile & clever.

In warm roof constructions, the Thermo-Z spacer profile can be used on supporting shell constructions (e.g. trapezoidal sheet metal or wooden sheathing) to reduce thermal bridges. The Thermo-Z spacer profile can also be installed as a spacer construction for ventilated roof structures with a free ventilation cross-section.

Zambelli Holding GmbH Passauer Straße 3+5, D-94481 Grafenau/Haus im Wald

Phone +49 85 55 409 0