Royale Steel Replacement Window 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 01268 571055.

Recommended Sizes - Top Hung
Min. Width (mm)350
Max. Width (mm)1250
Min. Height (mm)350
Max. Height (mm)1250
Max. Weight (kg)40
Recommended Sizes - Side Hung
Min. Width (mm)350
Max. Width (mm)650
Min. Height (mm)350
Max. Height (mm)1250
Max. Weight (kg)24

Window Performance

Curved /
U Value
2000 Pa

These statistics apply for:
Slim-line 16mm double-glazed sealed units, 92% krypton gas filled, Planitherm Total +, 8mm spacer. (Glass - 1.2 centre pane U-value*, g value of 0.74). Window has been tested & passed the rigorous PAS24(2012) testing, which is part of the criteria of secured by design. Please ask for more details.

Specifying - Suitable Applications

  1. Can be specified for light commercial and domestic applications.
  2. Meets building regulations for new build. (For Oct 2010)
  3. Meets building regulations for replacement and refurbishment projects. (For Oct 2010)
  4. Suitable for use in listed buildings, heritage and / or conservation areas and period properties.

Key Profile Dimensions

Outer Frame Depth 32.5mm
Sash Depth40mm
Glazed Sealed Units16mm (4 x 8 x 4)
Projection Cill Height - OptionalTBA
Head Extension - Optional37mm
Transom / Mullion - if Required8mm

Please Note: The details for the sight-lines are illustrated in our Section Identification. Please view this document and / or call 01268 571055  for more information.

Technical Manuals - Downloads

View/Download Technical Overview (Preliminary Technical and Basic Sight-lines)

View/Download Glass Safety (Glass safety guidelines - where you must use safety glass)

Technical Drawings

Technical drawings can be provided in DWG or DXF format, please contact us.

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(Canvey Island, Essex)
01268 571055

Renovation and Home Design