Best R-Value for Garage Door Insulation Australia (Explained)
The best R-value for an Australian garage door is the assembly-calculated, dual-season R-value, not a standalone or material number. Under AS/NZS 4859.1 & 4859.2:2018, you should see separate Winter (15 °C) and Summer (30 °C) results. ThermaDoor’s verified assembly values are R1.48 (winter) / R1.43 (summer). Many websites quote a single R-value for garage door […]