Sieger Legacy Window SHW-58

Heritage Windows make for perfect replacements to Steel framed windows.

Product Selector


Side Hung Window / Top Hung Window / Tilt and Turn Window / Fixed Window


Double Glazing as standard 

Typical Glass Specification

6mm TXD outer / 16mm argon filled gas cavity / 6mm TXD inner with low e coating

Typical Ug Value

1.0 W/m2K

Available on request:

Low Iron Glass, Low Maintenance Coatings, Solar Control Coatings, IQ Heated Glass, Privacy Glass, Electro Chromic Glass, Coloured/Decorative Interlayers (available on small sizes), Acoustic Interlayer (available on small sizes), Anti Reflective Glass

Glass thickness


Maximum panel weight

Side Hung Window 28kg / Top Hung Window 40kg / Tilt and Turn Window 90kg


Thermally broken aluminium profile with steel look design.

Overall Side Profile

Side Hung Window / 58mm

Top Hung Window / 58mm

Tilt and Turn Window / 75mm

Fixed Windows / 33mm


Frame Depth


Colour Frames

can be powder coated any RAL colour







Air Permeability

Class 4 (600Pa) in accordance with EN 12207

Window Energy Rating


Resistance with Weather

Certification in accordance with BS 6375 part 1 2009

Water Resistance

Class 9A (600Pa) in accordance with EN 12208

Resistance to Wind Load

Class AE (2400Pa) in accordance with EN 12210

Thermal Performance

Typical Uw Value 1.5 W/m2K (to be calculated per installation)


PAS 24:2016 / BS4873:2009 Enhanced Security Performance Requirements for Window assemblies


Trickle Vents 


Glazing Bars 

Optional to Bespoke Design

Peg Stay 

for traditional steel look window design, available in a range of designs



>>Download the Product Sheet Here<<

>>Download the NBS Document Here<<