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Our Lift Out Secondary Glazing units offer an alternative to horizontal and vertical sliders, and are able to treat large areas of clear glass while avoiding being visible from outside. The large panels can be lifted out of the frame for cleaning or to provide ventilation. However it is not an ideal system, for where regular access is required.
Lift Out Units are available in our Economy Odd Leg and Luxury Subframe systems. Units can be coupled together where required and combination units can be created to include hinged and lift out panels. These features allow complicated window styles, such as a top lite over a fixed, or hard to treat areas in tight spaces, such as bay windows or large fixed windows to be effectively treated.
Durations Secondary Should Be NOT Seen And NOT Heard. Please Click Here to See For Yourself »
Home > Products > Secondary Glazing > Lift Out Units > Technical Specifications
Technical Specifications
The sizes detailed below are for guidance only, if the sizes you require are less than the minimum or exceed our maximum recommended sizes - please ask our technical department for advice.
Economy Odd Leg System
| Recommended Sizes | |
| Min. Width (mm) | 300 |
| Max. Width (mm)¹ | 1200+ |
| Min. Height (mm) | 400 |
| Max. Height (mm)¹ | 1600+ |
| Key Dimensions And Sight-lines | |
| Outerframe Depth (mm) | 20 |
| Sash Depth (mm) | 13 |
| Glass (mm) | 4 - 6.8 |
| Largest distance to visible glass (mm) | 63 |
¹The maximum widths and heights provided are given as a guideline, they can in fact be made to be quite a bit larger. Once you start exceeding these sizes the lift out panels start getting very heavy, especially if you are using laminated or acoustic glass. At this point you are restricting access to the existing window and raising health and safety considerations.
Luxury Subframe System
| Recommended Sizes | |
| Min. Width (mm) | 300 |
| Max. Width (mm)¹ | 1200+ |
| Min. Height (mm) | 400 |
| Max. Height (mm)¹ | 1600+ |
| Key Dimensions And Sight-lines | |
| Outerframe Depth (mm) | 31 |
| Sash Depth (mm)² | 13 |
| Glass (mm) | 4 - 6.8 |
| Largest distance to visible glass (mm) | 50 |
²We offer three different subframe's, which give a total depth of SF1: 39mm, SF3: 55mm, SF4: 69mm.
¹The maximum widths and heights provided are given as a guideline, they can in fact be made to be quite a bit larger. Once you start exceeding these sizes the lift out panels start getting very heavy, especially if you are using laminated or acoustic glass. At this point you are restricting access to the existing window and raising health and safety considerations.
| Specifying - Suitable Applications | |
Please note: Glass specified must comply to the glass safety BS 6262: Part 4, 1994 regulations. We would therefore recommend that safety glass is used within all lift out units. (see document downloads) |
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| Document Downloads | |
| Secondary Specifications
(20 page specification guide, detailing all available secondary glazing.)
|
 (2.1 Mb) |
| Fitting & Measuring Guide
(8 page installation and measuring guide for our secondary glazing.)
|
(0.4 Mb) |
| Glass Safety Guidelines
(Guide to where you must comply with glass safety regulations.)
|
(0.1 Mb) |
| Technical Manuals Downloads | |
| Economy Odd Leg System
(Section Identification, Profiles, Combinations and Sight lines.)
|
 (0.3 Mb) |
| Luxury Subframe System
(Section Identification, Profiles, Combinations and Sight lines.)
|
(0.3 Mb) |
| Technical Drawings - Downloads |
Technical drawings can be provided in DWG or DXF format, please contact us. |
Please remember all sizes are for guidance only and are subject to location of the fitted product. Please contact us for more information.
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