Features of W20

• Solid hot rolled steel profiles
• Classic “stepped leg” design
• Material thickness up to 5 mm
• Self-adhesive non-shrinking gaskets
• Accommodates low emissivity double-glazing up to 21 mm
• Choice of different glazing beads
• Fixed glazing, single-sash and double-sash, side-hung and bottom-hung  windows opening inwards and outwards, top-hung, vertical and horizontal pivoting windows, window and doors opening inwards and outwards