Frequently Asked Questions: Trapezoid Windows
Many contemporary
homes have large windows that angle along the roof line at the top.
These trapezoid windows can be covered with a Roman shade. Look at the
two photographs below and you will see how the shade works. The shade is
made to fit the window completely when down. The mounting board follows
the angled line of the top of the window.

Elizabeth DeNoble,
Copyright 2007
The shade still
lifts and lowers into horizontal folds. When fully raised, it can only
be pulled up to the lower part of the angle. The entire top portion of
the window will be covered even when the shade is raised. You can use
the Hardware Calculator by making
the following modification:
- Finished Shade Width = width of shade at bottom
- Finished Shade Length = shortest length of shade
- Ideal Stackage = how long shade hangs down from bottom of angled-top
In the photograph at the left, the Finished Shade Length is measured on
the left-hand side of the shade. In the photograph below, the Stackage
is the folded up portion below the angled-top.
If you are piecing
your shade, use a design that follows the lines of the window. In this
case, I used a square block set on point since the window had a
45-degree angle.

The mounting board is made
as shown in the drawing below.

You can also use this
technique to cover an arched window. Home Stores sometimes sell a plastic strip
that is notched on one side so that it can be curved. The strip already has the
hook Velcro on it. For an arched window, choose a sunburst pattern to piece on
the top, which will always be covered. The shade will raise to the bottom of the
arch.
Contact
Information:
Terrell
Designs, owned by Terrell Sundermann
5325 Sanford Cir. E. Englewood, Colorado 80113
Phone: (303) 758-0188 Email:
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