One Centred Curves

Full Radius Head

Full Radius Head – Including semicircles where the diameter of the curve equals the width of the unit.

  • Fixed Panel

    Selectaglaze secondary glazing full radius head - fixed light
    Minimal sightlines but consider needs for cleaning access, ideal for use in combinations.
    Unit Options Min Radius
    Slimline 46 (FL) 220mm
    Heavy Duty 42 (FL) 400mm

  • Lift Out

    Selectaglaze secondary glazing full radius head - lift out
    A removable sash provides occasional access for ventilation, cleaning and maintenance.
    Unit Options Min Radius
    Slimline 45 (LO) 300mm
    Heavy Duty 41 (LO) 450mm

  • Demountable fixed panel

    Selectaglaze secondary glazing full radius head - demountable fixed light
    A removable sash provides occasional access for cleaning and maintenance.
    Unit Options Min Radius
    Series 43 DFL 750mm

  • Vertical Slider

    Selectaglaze secondary glazing full radius head - vertical sliders
    Dimension ‘A’ must be a minimum of the radius of the head, otherwise consider bottom hung.
    Side hung casements should not be fitted deep within a reveal, otherwise the casement will clash with the soffit when opening.
    Unit Options Min Radius
    Slimline 20 (VS) 660mm
    Heavy Duty 90 (VS) 470mm 

  • Hinged Casement

    Selectaglaze secondary glazing full radius head - hinged casement
    Dimension ‘A’ must be a minimum of the radius of the head, otherwise consider bottom hung.
    Side hung casements should not be fitted deep within a reveal, otherwise the casement will clash with the soffit when opening.
    Unit Options Min Radius
    Heavy Duty 41 (HC) 450mm
    Slimline 45 (HC) 300mm 
    Security 50 (HC) 400mm 
One centred full radius head secondary glazing to Bellingham Fellowship Inn One centred full radius head secondary glazing to Birmingham University One centred full radius head secondary glazing to Brew House One centred full radius head secondary glazing to Cosway Street One centred full radius head secondary glazing to Halle Orchestra One centred full radius head secondary glazing to Kings House One centred full radius head secondary glazing to Lighthouse Building One centred full radius head secondary glazing to Oxford House One centred full radius head secondary glazing St Lukes Outpatient One centred full radius head secondary glazing Tamworth Assembly Rooms Trinity Church, Mill Hill 008

Segmented Radius Head

Segmented Radius Head – Where the diameter of the curve is greater than the width of the unit. 

  • Fixed Panel

    Selectaglaze secondary glazing segmented radius head - fixed light
    Minimal sightlines but consideration needs to be given for cleaning access, ideal for use in combinations.
    Unit Options Min Radius
    Slimline 46 (FL) 220mm
    Heavy Duty 42 (FL) 400mm

  • Lift Out

    Selectaglaze secondary glazing segmented radius head - lift out
    A removable sash provides occasional access for ventilation, cleaning and maintenance.
    Unit Options Min Radius
    Slimline 45 (LO) 300mm
    Heavy Duty 41 (LO) 450mm

  • Demountable Fixed Panel

    Selectaglaze secondary glazing segmented radius head - demountable fixed light
    A removable sash provides occasional access for cleaning and maintenance.
    Unit Options Min Radius
    Series 43 DFL 750mm

  • Horizontal Slider

    Selectaglaze secondary glazing segmented radius head - horizontal slider
    The top and bottom of each sash must be parallel for at least 50% of the sash width.
    Unit Options Min Radius
    Slimline 10 (HS) 660mm
    Heavy Duty 80 (HS) 700mm 

  • Vertical Slider

    Selectaglaze secondary glazing segmented radius head - vertical slider
    The spring balances restrict opening on each sash to Dimension ‘A’ less a stop position. Consider access to window catches and for cleaning.
    Unit Options Min Radius
    Slimline 20 (VS) 660mm
    Heavy Duty 90 (VS) 470mm

  • Hinged Casement

    Selectaglaze secondary glazing segmented radius head - hinged casement
    A side hung unit provides clean lines and ready access.
    Unit Options Min Radius
    Heavy Duty 41 (HC) 450mm
    Slimline 45 (HC) 300mm
    Security 50 (HC) 400mm 
One centred segmented head secondary glazing Barry Town Hall One centred segmented head secondary glazing Engine House One centred segmented head secondary glazing Hertfordshire Residence One centred segmented head secondary glazing Oceanic House One centred segmented head secondary glazing Old Toll House One centred segmented head secondary glazing Old Toll House Stratford Upon Avon One centred segmented head secondary glazing Barry The Rotunda

Round

Circular or Bullseye
One centred circular secondary glazing Albany House One centred circular secondary glazing Havering Museum One centred circular secondary glazing Kings House One centred circular secondary glazing Northleze Primary School One centred circular secondary glazing Old Street Courthouse One centred circular secondary glazing Trinity Church

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