Windows & French windows

Innovative aluminium windows with high performance, energy efficiency, and long lifespan.

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Window Systems - Frequently Asked Questions

DOMAL window systems are a modular and comprehensive solution that guarantees functionality, high performance, security and extensive customization.

  • Modern aluminium windows with thermal breaks and energy-efficient glazing can achieve very low U-values and meet demanding energy performance requirements.

  • Yes. SAPA systems are suitable for both new-build and refurbishment projects. They can be adapted to existing buildings and help improve energy efficiency, functionality and aesthetics.

  • Aluminium allows for slim profiles, large glazed areas and a high degree of design freedom. Systems can be tailored to a wide range of architectural styles, from minimalist façades to more traditional buildings.

  • This depends on the chosen system, wind loads and project requirements, but aluminium is particularly well suited to large glazed areas thanks to its strength and stability.

  • Yes. Aluminium can be powder coated or anodised in a wide range of colours and surface finishes.

  • Yes. Hydro CIRCAL® contains a high proportion of post-consumer recycled aluminium and is used to reduce the carbon footprint of building projects.

  • Yes. Environmental Product Declarations (EPDs) and technical documentation are available for many of our systems and material options.

  • The systems can be combined with different glazing configurations to achieve high levels of sound reduction tailored to the project’s requirements.

  • Aluminium offers a long service life, excellent corrosion resistance and minimal maintenance requirements.

  • Yes. Aluminium is well suited to tall buildings and exposed locations due to its strength and structural stability.

  • System solutions are available to meet requirements for burglary resistance, occupant safety and fire-rated constructions.

  • Modern systems are designed with thermal breaks to minimise heat loss and reduce the risk of condensation.

  • Aluminium generally requires very little maintenance compared with many other materials.

  • With proper design, installation and maintenance, aluminium windows can provide a very long service life.

  • In many cases, yes, depending on the construction and system design.

  • High energy performance, recycled materials, documented environmental data and long service life can contribute positively towards sustainability certifications such as BREEAM and LEED.

  • Our aluminium windows can achieve sound reduction levels of up to approximately Rw 48 dB, depending on the selected system, glazing specification and project requirements.

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