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RESOURCE LIBRARY
All BTTB resources are free to access.
LEES IMPERIAL: Three Centred Arch Voussoir Calculator (Span and Rise measurements required)
This calculator is for arches constructed with imperial bricks. Enter the span measurement, the rise measurement. the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated) click on image to access calcualtor
LEES IMPERIAL: Three Centred Arch Voussoir Calculator (Span only model)
This calculator is for arches constructed with imperial bricks. Enter the span measurement, the brick size (gauge), joint size preferred and the face depth of arch (half brick 108mm or one brick 228mm) to calcualte rise, and voussoir number & sizes (additional information also generated) click on image to access calculator
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