What is the difference between structural glazing and standard curtain wall?

Structural glazing is a façade approach where the exterior glass is bonded to the supporting frame with high-strength structural silicone, creating a flush, glazed appearance with concealed mechanical fixings. In contrast, standard curtain wall systems typically rely on visible pressure plates, caps or mechanically fixed glazing that clamp the glass in place. Structural glazing delivers a sleek, uninterrupted glass aesthetic often preferred for premium towers in Dubai or Abu Dhabi, but it requires precise engineering of silicone joints, carefully controlled glass edge quality, and rigorous testing for wind, thermal movement and cyclic loading. Standard curtain wall systems are generally more forgiving from a maintenance standpoint because glass panels are mechanically retained and can be removed or replaced without disturbing structural sealants. From a performance perspective, both approaches can achieve equivalent thermal and water-tightness when properly designed: the difference lies in appearance, interchangeability and the need for highly controlled joint design in structural glazing. For clients seeking frameless visual continuity, we provide structural silicone glazing solutions with proven adhesive systems, tested for Gulf wind loads and thermal cycles; for clients prioritizing maintainability and modular replacement, mechanically retained metal-glass curtain walls remain a robust choice.