Hermes hi aluminium windows doors London

Although this system has a retro style, it has great modern thermal performance. This allows for older houses to maintain the retro look but gain the advantages of modern performance. These great thermal parameters are due to the triple chamber profiles with a frame depth of 81 mm, a patented insulation system Spldertechnology® and several insulating elements. This system is great for renovated buildings.

Technical Details

Profile Depth: frame 81mm, leaf 901mm

Glazing: 12-49mm

Air Permeability (EN 12207): Class 2-4

Water Tightness (EN 12208): E750A-E2000A

Wind Resistance (EN 12211): C1-C4

Operation Force (EN 13115, EN12046-1): Class 1

Wrong Use (EN 13115): Class 4

Impact (EN 13049): Class 3-5

Acoustic Performance (EN ISO140-3, EN ISO 717-1): 40 (-2: -6) dB

Burglary Proof (NEN 5096/A1, ENV 1627): Class 2

Thermal Resistance (EN 10077): Uf ≥ 1,36 W/m²K

Window 1230×1480: Uw ≥ 0,94 W/m²K

Door 1100×2350: Ud ≥ 1,11 W/m²K