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  • external folding +
    • E2
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    • S1
  • dropbolts +
    • DH
      • square, 40mm throw, keyed, non-keyed
    • DF
      • round, 20mm throw, outward-opening, keyed, non-keyed
    • DL
      • round, low-profile handle for sliding doors, 20mm throw, keyed, non-keyed
    • DY
      • round, for outward-opening bifold and french doors, 25mm throw, keyed, non-keyed
    • DO
      • round, with offset bolt for inward-opening bifold and french doors, 20mm throw, keyed, non-keyed
    • DM
      • round, for bifold, sliding, casement and awning windows, 20mm throw, keyed
    • DS
      • round, for tall bifold, sliding, casement and awning windows, 20mm throw, keyed
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E4

E4 main page

doorcalc

download CAD files ( DXF / ZIP )

brochure ( PDF )

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installation instructions ( PDF )
where to buy

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E4 Calc XL™

Centor E4 Calc XL™ is designed for the E4 folding door system. E4 Calc XL will operate on any system running Microsoft Excel 95 or later.

Download DoorCalc XL
DoorCalc E4.xls (595KB)
Updated 15 Feb 07

Download DoorCalc XL instructions in Acrobat
Tech Manual 0.6 DoorCalc XL.pdf (1.2MB)
Updated 27 Mar 02