Façade engineering
Envelope performance, detailing and material systems — including for the Gulf climate.
In Madinah a fully glazed envelope is a cooling bill unless something shades it. The pointed-arch screen on the hospitality building is not ornament: it carries the solar load across 29 000 m² of façade so the glazing behind it can stay open to daylight instead of being reduced to slots.
The same logic drives the panjara screen on the administrative building. The traditional pattern is read at building scale and given structural work to do, which is the difference between using a motif and quoting one.
Detailing decides whether any of that survives procurement. An envelope that depends on a single supplier, or on a tolerance nobody on site can hold, is a detail that will be substituted — so the system is chosen for what can be built in that market.
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Madinah — a screen that does structural work
The hospitality building carries 29 000 m² of glazed envelope in a climate where full glazing is a cooling bill unless something shades it. The usual answers are both bad: shrink the glazing to slots and lose the daylight, or keep the glass and pay for it every summer for the building's life. The pointed-arch screen is the third answer. It is drawn from the city the building stands in, so it belongs there — but it was selected because it carries the solar load across the whole facade, letting the glazing behind it stay open to daylight. The same logic drives the panjara screen on the administrative building: a traditional pattern read at building scale and given real work to do, which is the difference between using a motif and quoting one.
- Envelope strategy set against the climate and the section
- Shading and solar-load studies at facade scale
- Material and system selection, chosen for what that market can build
- Typical and critical details, including junctions and tolerances
- Performance specification for tender
- Review of fabricator and contractor proposals against the intent
Concept envelope strategy through detailing and procurement support
Climate, facade area and what the local market can actually fabricate and install to a tolerance site can hold.
Why does the Gulf climate change the answer?
Because a fully glazed envelope is a cooling bill unless something shades it. In Madinah that is not a preference, it is an operating cost for the life of the building.
Is the arch pattern decoration?
No. It carries the solar load on the elevations it covers. A motif that does no work is a quotation; one that does is a system.
What stops a facade being value-engineered away?
Choosing a system the market can actually build. An envelope depending on a single supplier, or on a tolerance nobody on site can hold, is a detail that will be substituted.
Do you specify a particular manufacturer?
Only where the project genuinely requires it. Single-source specifications tend not to survive procurement.
Can you review a facade someone else designed?
Yes — usually against three questions: what it costs to run, what happens at the junctions, and whether it can be installed to the tolerance it assumes.
Does this include testing?
Testing and mock-ups are specified and reviewed; the tests themselves are carried out by accredited laboratories.
What does facade engineering deliver?
An envelope strategy set against the climate and the section, shading and solar-load studies at facade scale, material and system selection for what that market can build, typical and critical details including junctions and tolerances, a performance specification for tender, and review of fabricator and contractor proposals against the intent.
Which stages does the facade work cover?
From a concept envelope strategy through detailing and procurement support.
What decides the scope of the facade work?
The climate, the facade area, and what the local market can fabricate and install to a tolerance the site can hold.
How much glazing does the Madinah screen shade?
29 000 m² of glazed envelope on the hospitality building. The pointed-arch screen carries the solar load across the whole facade so the glazing behind it can stay open to daylight instead of being reduced to slots.
Is the same approach used outside Saudi Arabia?
Yes. The panjara screen on the administrative building in Tashkent reads a traditional pattern at building scale and gives it structural work to do — the difference between using a motif and quoting one.
Why does the choice of system matter as much as the design?
Because detailing decides whether any of it survives procurement. The system is chosen for what can be built in that market, so the envelope that was designed is the one that gets installed.
Worth a conversation?
If this is close to something you are working on, the fastest useful step is a short call — site, stage, what you are deciding. It commits you to nothing.