Frequently Asked Questions: and Answers
Question:

How does the pull-down retractable screen door prevent bugs from entering?

Answer:
To prevent bugs from entering, the screen fits closely to each side of the door frame and in front of the door jamb (see image below). The tension of the spring roller against the hold-down hooks keeps the roll-up screen door taut across the door opening.

The tension is easily increased or decreased using a flat-head screwdriver on the side of the main housing.

Click here to see a top-down, cross-section view of a doorway. Notice that the screen material goes nearly to the sides of the door frame and in front of the jamb, preventing insects from passing.
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General Questions

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Secret Screen pull-down screen doors have many names: retractable screen door, invisible screen door, hidden screen door, roll up screen door.