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The Importance of Glazing Glass on the Day of Deli …

Glass is a versatile and essential building material that adds beauty and functionality to our homes and structures. It plays a vital role in modern architecture, from windows to doors, skylights to glass walls. However, the fragility of glass makes it susceptible to damage, especially from water ingress. One crucial step in protecting glass products is to ensure they are glazed on the day of delivery. In this article, we’ll explore the reasons behind this practice and why it’s crucial for preserving the quality and integrity of glass.

Water Ingress and Its Consequences

Water ingress is the process by which water penetrates the surface of glass. This can occur in various ways, including rain, condensation, or even high humidity levels. When water infiltrates the glass, it can lead to several detrimental consequences:

Damage to Aesthetics: Water ingress can result in unsightly water spots and streaks on the glass surface. These blemishes can be difficult or even impossible to remove, diminishing the glass’s visual appeal.

Structural Damage: Prolonged exposure to moisture can weaken the glass, compromising its structural integrity. This is particularly concerning for barrier load glass structures or safety glass used in doors and windows.

Mould and Mildew Growth: Moisture trapped between glass panes or in seals can foster mould and mildew growth. This not only damages the glass but also poses health risks to occupants.

Reduced Insulation Properties: For insulated glass units (IGUs), water ingress can reduce their thermal insulation properties, leading to energy inefficiency and increased heating or cooling costs.

Long-term Durability: Over time, water ingress can lead to de-lamination, where the layers of laminated glass separate. This significantly reduces the glass’s strength and safety features.

Why Glazing on Delivery Day is Critical

Glazing glass on the day of delivery is a preventive measure aimed at mitigating the risks associated with water ingress and other potential forms of damage. Here’s why it’s so crucial:

Immediate Protection: By glazing glass promptly upon delivery, it’s shielded from the elements and potential water exposure from rain, humidity, or condensation.

Maintaining Aesthetics: Glazing prevents water spots and streaks, ensuring the glass retains its pristine appearance, which is especially vital for architectural projects where aesthetics are paramount.

Preserving Structural Integrity: Protecting glass from water ingress helps maintain its strength and structural integrity, ensuring it performs its intended function safely.

Preventing Mould and Mildew: Glazing prevents moisture from accumulating between panes or in seals, reducing the risk of mould and mildew growth.

Sustaining Energy Efficiency: For IGUs, glazing preserves their insulation properties, making sure they provide efficient thermal performance throughout their lifespan.

Prolonged Durability: Ultimately, glazing glass on delivery day contributes to the glass’s long-term durability, ensuring it remains a reliable building material for years to come.


Glass is a vital component of modern architecture, but its fragility makes it susceptible to water ingress and other forms of damage. To protect the aesthetics, structural integrity, and long-term durability of glass products, it is crucial to glaze them on the day of delivery. This proactive measure safeguards against water ingress, ensuring the glass remains visually appealing, structurally sound, and energy-efficient. By prioritising this practice, we can ensure that glass continues to play a central role in creating beautiful and functional spaces.

To download our updated ‘Important Information on Fire Rated Glass’ click here.

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