DAMESALEN, Copenhagen University
The Damesal project is a result of a need to extend an existing university gymnastic hall with a testing laboratory. The extra needed m2 are provided by adding a new building on top. The project offered an opportunity to explore an
architectural concept where the geometry of the additional floor is designed in a simple and elegant box shape in glass. The architectural and functional variation happens as the glass façade responds to the program and functions within the building. A design, which is also informed by the surroundings and the climatic exposure.
The building envelope embodies design and performance in the form of a novel, integrated concept, developed in collaboration between the Architect and the supplier of the customized glass solution. With increasing regulatory request for higher performing envelope solutions, there is a tendency going towards more insulation, thicker facades and reduced glass areas. In many cases with reduced architectural quality and less interaction between inside and outside as a result. Thin and high performing insulation within double and triple glazed units is an interesting response to fat facades.
Coming from double skin facade solutions with an architectural language composed from the design of different components in different planes within the depth of maybe 1meter – it´s a challenge to imagine that architectural communication should happened within only 78 mm - the depth of the triple glazed unit. But the architectural quality of very thin facades is interesting – Imagine a façade design driven by a 2D graphic-like experience rather than depth and layering - an architectural language based on integration of visual translucent filters or thin insulation in the cavity of the glazed units.
Imagine change of material happening in a hairline rather than around a mullion. We are not quit there, but it’s really interesting and worth exploring further. Just the fact that net area within the same gross area is increased by around 5% is interesting too. Working closely with Dow Corning has led to a common strategy that on one hand deals with the local energy frame - and at the same time take orientation and solar exposure into account. Their calculations have, in dialog, influenced the plan layout and level of glazed areas for specific orientations. We have jointly, and with assistance from the glazing manufacturer, studied different facade arrangements with the aim of developing a design that could meet different requirements for different orientations, reflecting different programs behind the façade - still within one architectural language.
Only by setting up guidelines for design and constantly calculating different suggestions from the design team it was possible to get a feeling of what parameters would be driving the facade layout. Both horizontal and vertical layouts studied and calculated, as well as solutions integrating Okalux components redirecting daylight and creating a level of shading.
A façade must make sense and have quality on a distance as well as close up. The challenge is to communicate scale and materiality by seeing things on a distance and expect more as we get closer. Equally important is the understanding of the facade experienced inside the building in relation to an external experience. We often see facades that have non, or very little in common with the other side. By positioning, an insulating material in the cavity of the triple glazed units there is an opportunity to experience the same material inside and outside, or have a deliberate difference.
For the Damesal project, the same type of metal mesh surface to both sides is giving a homogenous understanding. Only by studying samples and making mock-ups, design decisions could be taken.