Cross Section Diagram
The following profiles are the main profiles that we use as standard. More profile options are available and can be found in the Technical Manual.
60mm base width profile used as standard.
Option of 70mm base width profile.
Internally beaded squareline sash used as standard.
NB in order for the window to be completely internally beaded all aperatures must either be a sash, dummy sash, or use a reversing profile.
Squareline bead for 28mm units used as standard. Chamfered beads available upon request.
Choice of 85mm Stub cill, 150mm, 190mm or 225mm.
Depends upon the base width of the outer frame.
For 60mm base width a 15mm and 42mm add-on are available.
For 70mm base width a 20mm add-on is available.
Trickle vents are normally fitted in vents. Where trickle vents are fitted in the frame, an add-on is used.
U Values & Energy Ratings
|Typical Glazing Specification
(To achieve U Value)
(Based upon Glazing Spec)
||4-20-4 Planitherm + Low Iron + Warm Edge Spacer + Argon Fill
||4-20-4 Planitherm 4S + Low Iron + Warm Edge Spacer + Argon Fill
28mm double glazed units as standard.
24mm - 38mm double or triple gazed units also available
||Max Sash Width(mm)
||Max Sash Height(mm)
||Max Weight per Sash(kg)
Alitherm products are available in a choice of standard or non-standard colours,
including metallic, dual colour and Smart’s unique Sensations range of textured
||Typical Lead Time
|RAL7016 Matt - Anthracite Grey
|RAL9005 Matt - Black
|Standard RAL Colours
Handles available in:
- Satin Silver
Multipoint shootbolt locking fitted as standard. Option of cockspur handles.