Profiles – genuine German REHAU Profile
Hardware – Austrian company POLO / ROTO
Dual Seal – Dutch company DEVENTER

Double glaze window – 70mm  (2 3/4″) thick.   Material: UPVC metal reinforced

Triple  glaze window –  70mm  (2 3/4″) thick.   Material: UPVC  metal reinforced

Acoustic Insulation:
Double glaze: Rw=42dB ( VG4-4/24/4 set) Rw=43dB (VG4-4/22/6 set)
Triple  glaze: window-  Rw  = 52-72 depends on glass thickness

Glazing:
70mm Double glaze : Standard option: Two-pane set – 4/24Ar/4mm – one chamber Lo-E
Pane’s thermal insulation – Neutralux Argon Ug = 1.1 W/m2k . Inner space filled with argon
Any Lo-E glazed unit available of a maximum thickness up till 32 mm (1 3/8”) Standard spacer bar ( in case of replacement needed- standard USA parts could be used)

70mm Triple  glaze: Standard option: Three-pane set – 4/10Ar/4/10Ar/4mm – Two chambers Lo-E
Pane’s thermal insulation – Neutralux Argon Ug = 1.1 W/m2k Inner space filled with argon
Any LoE glazed units available of a maximum thickness up till 32 mm (1 3/8”) total

U-value:

70mm Triple glaze :  U= 0.18 or better  Solar Heat Gain Coefficient – 0.2 or better ( glass thickness of 4mm Lo-E and Argon filled).

70mm Double glaze :  U= 0.26 or better  Solar Heat Gain Coefficient – 0.28 or better ( glass thickness of 4mm Low-E and Argon filled).

AIR LEACKAGE:
70mm Double glaze :  0.1 or better
70mm Triple glaze : 0.1 or better

VLT:
70mm Double glaze :  0.48 or better
70mm Triple glaze :  0.40 or better