Clear Opening Calculators
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F11 and F12

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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F01

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

A clear opening width is also required. Recommend glass is DGU and the minimum standard fixed panel width is 500mm.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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E32

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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B100

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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B01

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

A clear opening width is also required. Recommend glass is DGU and the minimum standard fixed panel width is 500mm.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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T100

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.


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T55

Click below to calculate your clear openings

Enter structural opening dimensions (in mm) in the editable box.

All calculations offered are approximate and for guidance purposes only and subject to the final specification

Bespoke applications - please contact us to discuss any doorset outside of the normal parameters or if extended glazed screens are required.

Actual manufacturing dimensions are normally 10mm less than the structural opening sizes

Various glazing options available. Calculations based on DGU with magnetically operated integral blind.