Hinged Unit (HHU)
Our most discreet secondary glazing product, featuring single handle operation and multi-point locking. Side and base opening is available, plus there’s a tilt and turn facility for easy maintenance.

Features
- Slim, unobtrusive aluminium profile
- Easy opening due to internal gearing
- Multi-point locking for enhanced security
- Improved noise and thermal installation
- Suitable for arched and shaped applications
- Suitable to have bevelled timber subframe to fix into bays /splayed reveals
- Can be coupled or stacked with other units in the range to treat large areas of glazing or long runs of windows
- Can be supplied with restrictors
Specification
- Glazing options: 4mm – 28mm (including double glazed sealed unit)
- Choice of timber subframes
- Pre-drilled and countersunk to suit either face fix or reveal fix
- Q-Lon seal to front, Woolpile seal to back
- Gasket colour option of black or white
- PVCu trims supplied for the face of the units to create a neat, clean finish
- Standard colour white high gloss — RAL 9910
Standards
Optimum Noise Reduction: 54dB (Rw)
Using 10.8mm acoustic laminate glazing, with 200mm glass-to-glass
Optimum U Value: 0.97 W/m2K
Using 28mm double glazed sealed unit, with 80mm glass-to-glass
Variations of Basic Unit
- Various handle and hinge options
- Tilt & Turn, Anti Ligature and Double Hinged (DHHU) options
- No subframe version available
- Can be coupled and stacked using a heavy duty frame coupling section or timber to timber
- LH, RH, top or bottom orientation
- Variety of stock colours available, including all RAL options
- Can accept flyscreen mesh
HHU
