p33a - 300 Series

Inward Opening Alu-Clad

104.5mm deep inward opening window with external aluminium cladding and triple glazing
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This triple glazed inward opening window with aluminium cladding delivers superb performance and is suitable for highly energy efficient homes including Passive houses.

The 88mm laminated timber frame and deeper glazing unit give improved performance over the P23 window while external aluminium cladding ensures that the timber frame is protected from the elements and helps improve longevity whilst requiring minimal maintenance.

Tilt and turn windows can be tilted in for ventilation and open inwards for access and cleaning.

The technically advanced sprayed coatings give the timber enhanced durability and a superb finish, while the aluminium cladding is polyester powder coated. Both the aluminium cladding and the timber frame are available in a full range of RAL colours. 

The triple glazed unit is a 50 mm unit with argon gas filling, warm edge spacer bar  and two internal panes of Low-E glass. Whole window U-Values are around 0.7 W/m²K. 

  Thermal Performance
U Value (typical) 0.74
  Sound Performance
Decibels (typical) 35db
  Security Performance
PAS 24
Opening types Fixed pane, Tilt and turn, Tilt only, turn only
Frame depth 104.5 mm
Whole window U-value 0.74 W/m²K
Glass U-value 0.47 W/m²K
Glass package 50 mm triple glazed, two panes Low-E, argon filled
Sound insulation 35 db
Air permeability Class 4 (EN 12207:2000)
Watertightness Class E1050 (EN 12208:2001)
Wind load Class C4 (EN 12210:2001)
Timber Colours RAL
Aluminium Colours RAL, IGP textured
Data sheet p33a.pdf
Drawing p33a.dwg
  Thermal Performance
U Value (typical) 0.74
0.6 0.8 1.0 1.2 1.4 1.6 1.8
  Sound Performance
Decibels (typical) 35db
  Security Performance
PAS 24

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