HTA-W-TG62
PHYSICAL SPECIFICATION
Construction
Frame material
Pane 1
Cavity 1
Pane 2 (centre)
Cavity 2
Pane 3
Total reveal depth
Desiccant
Perimeter seal
Custom sizes
3 panes-outer pair decoupled, centre floated
Structural steel hotdip galvanised+powdercoat
10 mm annealed float glass
60 mm
12 mm laminated, mass-loaded PVB interlayer
80 mm
14 mm laminated safety glass
400 mm minimum
Molecular sieve in all cavities
Triple neoprene – continuous no-break
900 × 600 mm to 2000 × 1200 mm
ACOUSTIC PERFORMANCE
STC rating
Rw (weighted)
Rw+Ctr (traffic)
Test standard
58 – 62 dB
60 dB (ISO 717-1)
57 dB
ISO 10140-2, field verified
RECOMMENDED APPLICATIONS
Mastering studios
Broadcast control
Recording / tracking
Home studios
Yes — primary specification
Yes
Yes (where NC-15 or lower required)
Over-specified — consider HTA-W-DL56
Installation note: Specify alongside a floating floor and independent structural wall system to fully realise the isolation potential. An STC 62 window becomes the weak link if flanking paths through the structure are not addressed.
