Aluk optio 58  BW window

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A slimline aluminium casement window frame to vent 75 mm 

​        Insulation values

• U-value (double glazing) 1.4 W/m²K

• U-value (triple glazing) 1.2 W/m²K

• Window energy rating (WER) B - C

• Green guide rating A rated

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       Ratings 

• Acoustic performance (dB) Rw (C;Ctr) 42 (-1;-5) dB

• Air tightness (Pa) Class 4 (600 Pa)

• Water tightness (Pa) Class 9A (600 Pa)

• Wind load (Pa) Class E2400 (2400 Pa)

• Security PAS 24

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      Configurations

• Opening Open out

• Top hung

• Side hung

• Bottom hung

• Fixed light

• Multi-light

• French casemen

     Size limits

• Top hung (max weight) 180 Kg

• Side hung (max weight) 55 Kg

• Bottom hung (max weight) 60 Kg (3 hinges)

• Fixed light (max weight) 250 Kg

• System features

• Frame depth 58mm and 70mm

• Dual colour option

• Multi-point locking

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Glazing options Internal and external bead

• Glazing thickness 24mm - 40mm

• Sightline (Frame to Vent) 75mm

• Sightline (Vent to Mullion) 89mm

• Sightline (Fixed Light) 43mm

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