LAMILUX Continuous Rooflight: The technical details

Design details

Bionically Dynamic Tensioning Technology – BDT

Effect : In zones composed of multiple materials in a hybrid construction, there are rigid, elastic and semi-elastic regions in the ridge. In addition to clamping connections and static latches, the components are also connected to one another using friction fastenings, for example. This creates a structure that is simultaneously both elastic and consistently form-fitting.
Benefit: In the event of vertical and horizontal compressive and tensile loads, both excessive drifting-apart and pushing together of the component is prevented, with the result that they remain connected within defined movement and displacement tolerances. The continuous
rooflight system remains torsion-resistant and thus water-tight and secure even in the event of heavy wind and snow loads.

BdT – flexible force/tension compensation

  • Form-fitting connection of the ridge area made up from elastic, rigid and semi-elastic zones
  • Bionic design principle as a result of a design that integrates form and function
  • Continuous rooflight system withstands very heavy wind and snow loads 

Dynamic torque control – DTC

Effect: Suspension integrated beneath the glazing bar in the installation frame (DTC spring) ensures that the glazing is perfectly tensioned. It is therefore secured in position by a specific holding force even when subjected to load.
Benefit: The glazing remains perfectly tensioned in all situations and is optimally secured, since the acting loads are optimally cushioned and absorbed by the mounting frame.

DTC - Protection in the event of heavy wind loads

  • High stability of the flaps, even when open
  • Improved anchoring of the glazing systems

The active expansion absorber – AEA

Effect: The active expansion absorber (AEA) compensates the tensions and expansions that occur when subjected to loads. This is achieved by the gasket seals being connected to the cover plates with a continuous shear-resistant bond.
Benefit: Optimal protection of the structure in the event of snow, ice, wind and strong heat build-up.

AEA – Safety aspects in detail

  • Optimal protection of the structure in the event of snow, ice, wind and strong heat build-up
  • The cover plates have integrated safety rails for mounting fittings, solar protection installations and maintenance equipment
  • The clamping security is increased due to an extended adhesion region

The isothermal load converter – ITL

Effect: The isothermal load converter (ITL) channels the load on the continuous rooflight into the framing construction of the continuous rooflight. Since this frees the base profile from loads and tensions, there is no need to use metal material and high-quality composite material with very good heat-insulating values can be used for the base profile.
Nutzen: ITL technology means that we are able to guarantee optimised temperature profiles and thus ensure a low risk of condensation on the base profile of the continuous rooflight.

ITL – Benefit from optimum energy efficiency

  • Excellent Uf values in the base profile and even better heat insulation
  • Improved load-bearing capacity of the base profile
  • Significantly reduced risk of condensation
  • Optimised rebate ventilation
  • Smooth interior with fewer edges, ensuring less dirt and grime
  • Torsion-resistant box profile cross-section

Linear burn-through protection – LBP

LBP – clever fire protection

  • Prevents fire from spreading onto the roof in the through roof penetrations as per the specifications in dIN 18232, Part 4
  • Negates the need to place gravel around the continuous rooflight
  • Patented technology

Effect: Fastened to a framing construction such as an upstand, the roofage is typically pulled up to the upstand beam and fed under the continuous rooflight base profile. In the event of a fire inside the building, the roofage on the inside of the upstand beam will often catch fire and tends to burn like a “fuse” to the outside of the roof.
The linear burn-through protection (LBP) can be understood as an intelligent system for limiting the spread of fire in the region of roof penetrations. The continuous rooflight profile plays an essential role in this: it is composed of a thermoplastic composite material which melts at extreme temperatures on the upstand beam and spreads directly over the burning edge of the roof sheeting. As a result, the burning joins are sealed, the oxygen supply is interrupted and the flames at this point are extinguished.
Benefit: The LBP prevents the flames from spreading to the roof. Despite being melted by the extreme temperatures, the base profile remains stable during the fire because it is cooled and stiffened by the metal profile of the glazing bar.

Energy efficiency

Optimised isothermal lines

Isothermal lines describe lines of equal temperature. In the LAMILUX CI System Continuous Rooflight S, they run continuously through the structure. Our guarantee: a considerably minimised risk of condensation on the inside of the structure.

The comprehensive thermal protection technology throughout the structure ensures the best Uw values. The energy-efficiency properties have been tested. This ensures the consistent insulation properties in the continuous rooflight profile are documented.

Structural mount

Roof mounting variants include mounting on steel sheeting upstands, on wooden trusses or reinforced concrete upstand beams.

Stability is of primary concern with LAMILUX’s own steel sheet upstands. LAMILUX complies with the requirements of the German Institute for Building Technology (Deutsches Institut für Bautechnik), according to which sheet steel upstands must be manufactured using high steel grades S 280 GD + Z 275 or S 320 GD + Z 275.