36mm Triple Glazed Unit — Maximum Home PerformanceFor homeowners who want the very best thermal and acoustic insulation available, our 36mm Triple Glazed Unit delivers a centre-pane U-value of 0.6 W/m²K — approaching Passive House territory without the premium price tag. This is our highest-performing standard triple unit, engineered for clients who refuse to compromise on comfort.The difference is tangible. Rooms stay warmer with less heating input. Cold spots near windows disappear. Traffic noise drops to a whisper. If you have ever sat next to a window and felt the chill radiating from the glass, this unit eliminates that entirely.Peak Thermal & Acoustic PerformanceThe 36mm build-up uses 4mm-12mm-4mm-12mm-4mm configuration with double soft-coat Low-E coatings and the option of krypton or argon gas fill. The 12mm cavities are at the optimal width for gas-fill thermal performance, delivering the lowest U-value achievable in a standard triple-glazed format. U-value: 0.6 W/m²K (centre pane) Light transmittance: ~62% Solar factor (g-value): 0.38 Sound reduction: ~38dB Rw Overall thickness: 36mm Manufactured to BS EN 1279 at our Bristol production facility. FENSA registered, 10-year warranty, nationwide delivery with full transit protection.Specify your exact dimensions and gas fill preference in our glass configurator for instant pricing.
