R-Values Explained: What South African Architects Need to Know About Insulation Performance

Aldabra window showing the benefits of thermal break windows

Every project brief today mentions energy efficiency. But when it comes to the technical details, one metric often causes confusion: the R-value. It’s quoted in specifications, compared in supplier brochures, and even debated on site. Yet many construction professionals still conflate it with U-value, apply it inconsistently, or overlook its significance in South African climates. […]

How Thermal Break Aluminium Windows Reduce Energy Costs in South African Developments

Thermal Break Aluminium Heating Window

The most immediate benefit of thermal break aluminium windows is reduced energy consumption. By achieving R-values of approximately 4.0, systems like Aldabra’s deliver excellent insulation. This means less reliance on air conditioners in summer and heaters in winter. Over time, the savings add up significantly. For example, in a mid-sized residential development, energy-efficient fenestration can […]

How Low-E Glass Protects Interiors from UV Damage While Cutting Energy Bills

Cape Town Skyline through an Aldabra Window

South Africa’s construction industry is entering a new era—one defined by sustainability, energy efficiency, and long-term resilience. Developers, architects, and project managers are under growing pressure to deliver buildings that meet environmental standards while remaining economically viable. The Green Building Council of South Africa (GBCSA) and its Green Star SA rating system have become benchmarks […]