How to Draw a Sliding Glass Door on Blueprints

Drawing up plans for a new home or a new addition to a home can seem like a tedious task to many homeowners, especially to those who aren’t familiar with creating or reading design blueprints. Some are fairly straightforward, such as the symbols that indicate door or stairwells. Others, like sliding doors, may seem a little alien. All you need is a little practice to learn how to draw this little symbol perfectly.

Scratch Paper
Pencil
Ruler
Blueprints
Eraser

Instructions

- 1
  Draw a simple rectangle on your paper, sized small enough so that you can see any details (about two inches by one half inch is suggested). Draw two parallel lines that run horizontally through the center of the rectangle (use the ruler to make straight lines).
- 2
  Erase the outer rectangle so that now all you have is the thin parallel lines. From the left underside of the bottom parallel line, draw another small line half the length of the line above it. Add another vertical line that separates the lines into two equal halves.
- 3
  Erase the very top line on the left hand side. You should now have what looks like "steps," or a straightedge zigzag line, represented by two bar shapes. On the end of the left-hand bar, draw a backwards "C" shape. Draw a regular "C" shape on the right-end bar.
- 4
  Practice this sliding door blueprint symbol a few times on scratch paper to ensure you know how to do it correctly. When you’re comfortable, draw the same shape on the blueprints to signify to the contractor where you’d like your sliding doors to be placed.

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