Quality control

ZWOF Manila 2026 Philippines Quality controlProcurementPerformance mock-upSupply chainPhilippines

The forgotten link: what a façade survives before it arrives

Pegs Elumba

ZWOF Bangkok 2026 Thailand Quality controlThailandOptical distortionGlass defectsHeat treatment

The gap between allowable and acceptable in architectural glass

Andrew Snalune

ZWOF Bangkok 2026 Thailand Seismic designQuality controlProcurementCurtain wallingBuilding movement

Why façades must be designed to move, and why the lowest bid rarely shows what is missing

Rajan Govind

ZWOF Phoenix 2026 United States Curved glassUSAQuality controlTempered glassOptical quality

Curved glass quality is an optical problem, not just a geometry problem

Bob Zhang

ZWOF Tirana 2026 Albania AlbaniaQuality controlFaçade mock-upsProductionInstallation sequencing

Mock-ups turn ambition into agreement

Carlo Zaka, Elvi Xhaxho, Enea Bedo, Raniel Sulaj & Stavros Gargaretas

ZWOF Tirana 2026 Albania AlbaniaFaçade maintenanceInspectionQuality controlBuilding safety

Tirana’s next challenge is maintenance

Ana Vesho

ZWOF Calgary 2026 Canada Embodied carbonBuilding envelopeQuality controlCanadaDurability

Not a façade system: the building’s primary environmental control

Jeff Ker

ZWOF Calgary 2026 Canada ConstructabilityQuality controlCanadaPrefabricationSupply chain

Mega panels: why prefabrication is arriving, and what moves off site with it

Christian Flores & Paul Carter

ZWOF Los Angeles 2026 United States Curved glassUSAQuality controlGlass fabricationFaçade geometry

Curved glass needs one controlled process

Bob Zhang

ZWOF Melbourne 2026 Australia Curved glassAustraliaQuality controlArchitectural glassWarm edge

Twenty-four metres in one piece: jumbo and 3D curved glass

Sammy Hui

ZWOF London 2025 United Kingdom Building physicsQuality controlUKAirtightnessMembranes

Airtightness is a small layer with a large consequence

Matthew Owen

ZWOF London 2025 United Kingdom Quality controlUKDurabilityPowder coatingSpecifications

A coating specification is a durability system

Coby Armar

ZWOF Toronto 2025 Canada Curtain wallQuality controlCanadaPrefabricationStainless steel

Hand-bent, 7,500 times: the stainless façade at Forma

Kamilah Bannister, Abel Gill, Dan Francis & Richard Orser

ZWOF New York 2025 United States Curtain wallUSAQuality controlCladdingTesting

A ceramic look in cast concrete: the GFRC façade at 600 West 125th

Joseph Madaghiele & Melissa Wong

ZWOF Mumbai 2025 India Façade maintenanceQuality controlIndiaUnitised curtain wallingFire regulations

How a fire-brigade rule and an airport height limit shaped one Mumbai façade

KR Suresh, Shekhar Patki, Pratik Doshi & Prashant Pant