Aluminium window systems

Epic 121 Series

A window series with supplied thermal and acoustic data for project-specific technical review.

Epic 121 Series supplied product drawing

Product drawing from supplied technical material

Technical overview

Sample dimensions
1800 × 1800 mm
Thermal performance (U-value)
1.2 W/(m²·K)
Air infiltration (source notation)
q1 0.35 / −q1 0.34; q2 1.33 / −q2 1.29
Water penetration resistance
700 Pa
Structural wind performance (source notation)
p3 5.0 / −p3 5.0 kPa
Acoustic performance
Rw + C 40 dB / Rw + Ctr 39 dB

The drawing is the supplied 122 mm casement window sheet. Values are supplied sample results, not a general certification claim. Air infiltration units are not stated in the summary; consult the complete report before comparison.

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