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Measuring — for SKYLIGHTS

Posted on: July 29, 2010

Many phone calls these days have been about cutting the sun’s heat pouring into rooms that have SKYLIGHTS. Nothing is easier if you install a cellular shade to cover that space.

But that means people are measuring a space that might be fairly high up in the ceiling! You definitely want accuracy in those instances, even with the purchase of our measuring insurance.

Our Cellular Windows Team has been putting together new instructions in order to give a bit more guidance in obtaining these crucial measurements. All you need is a metal measuring tape (or one of the new line of handy digital measuring devices), a ladder if your skylight is high off the floor, a pencil and our handy Measuring Guide (for skylights) [skylightmeasuringguide072010] for noting down your measurements (this is where a second person might come in handy).

Each skylight will require three measurements for the WIDTH, three measurements for the LENGTH, and two diagonal measurements to gauge the opening’s squareness:

  • WIDTH: Measure the exact inside measurement (to the nearest 1/8; round DOWN, if necessary) in three places — top, middle, and bottom. The measurement you will want to order is the NARROWEST width measurement.
  • LENGTH: Measure the exact inside distance from the top of the window to the sill (to the nearest 1/8; round down, if necessary) in three places — left, middle, and right. The measurement you will want to order is the SHORTEST length measurement (this is to accommodate the length of the side retainer rails).
  • To ensure a proper fit, take time to measure diagonally (top right corner to bottom left corner; and top left corner to bottom right corner). If those two measurements differ by more than a 1/4-inch you will need to shim your opening when installing the retainer track (ie, the side rails).

Measure at the point you wish the skylight shade to be installed — and remember: Do not place the shade directly up against the skylight’s glass, but leave 1- to 4-inches from the face of the glass. This air pocket actually helps in the total insulation process!

Questions?? Leave Our Team a Comment! We will get your answer online as soon as possible.

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