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Deep Bottom Rail
A:
 With most companies supplying sash windows, little attention is given to sightlines... how a window is framed in an opening.
Traditionally, the lower sash rail was often made from 4" or 5" timbers, planed to about 100mm, as this rail had to carry the most weight.
Obviously it would be far easier to weld four profiles of equal size, but this would not simulate the detail of the existing windows.
By combining three different profile sizes you can be certain that the proportions are as close to the original timber window as is possible. |
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