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 HOME > Technical Information > Installation > General Guidelines

Great Lakes Window Coverings - Blind Installation

How to Install Your Blinds

Drill and Drill Bits, Level, Steel Tape Measure, 1/4" wrench or nut driver, regular head screwdriver, Philips head screwdriver, scissors, pencil

Quick Tip: If you have several blinds to install, using two drills can save you time. Fit one with a drill bit and fit the other with a screwdriver bit and you won't have to repeatedly switch drill bits.

Before Installation

  • Gather the tools listed above and remove your old blinds. Make sure that any window treatments are also safely out of the way.
  • Hold your new blinds up to your window and make sure they fit either inside or outside the opening.
  • Also double-check your manufacturer's instructions to make sure that all of the mounting hardware you need is included. Most blinds and shades will include mounting brackets, screws, and faceplates. Some will include valances or hold-down brackets. Make sure your manufacturer's instructions are nearby. You'll need to consult them.
Make sure you know what kind of surface you're mounting your blinds on. Wood screws are standard in blind installation packets. For other surfaces, you'll need to purchase special screws, fasteners, or anchors.
  • If you're installing on a metal surface, you'll want to predrill holes and use special metal screws.
  • If you're installing on concrete, stone, brick, or tile, use a carbide drill and purchase appropriate plugs, anchors, or screws.
  • To install your blinds in wallboard and plaster, predrill holes large enough for suitable anchors or plugs, and follow the installation guidelines for your fasteners.
Mounting Inside the Window Frame
  1. Mount the brackets in the appropriate place on the jambs, making sure they will be placed to accommodate the headrail.
  2. Make sure the headrail is level. Shim if necessary.
Mounting Outside the Window Frame
  1. Hold the blind at the desired height and pencil-mark the window frame (or wall) lightly at each end horizontally across the bottom of the headrail.
  2. Center the blind on the window opening, line up bottom of headrail with marks and then put a vertical mark at each end of the headrail.
  3. The installation brackets should be positioned correctly. Consult the instructions included with your blinds.
Optional Extension Brackets
If you ordered extension brackets (so that the blind will clear any obstruction, such as a window crank), they must be installed first, using the same positioning marks.
  1. Mount the extension brackets sideways (to prevent flexing) using two diagonally placed screws.
  2. Attach the hinged-cover brackets to the extension brackets using nuts and bolts.
Securing Brackets
Every brand of blind has slightly different brackets. Consult your manufacturer's instructions to learn how to install yours.

Support Brackets
If your blind is wider than 60 inches, it's likely that support brackets were included. Consult your manufacturer's instructions to learn how to install them.

Inserting the Headrail
After all the necessary brackets have been installed, the blind headrail can now be installed.

  1. Open the hinged-cover end brackets. (If this is the kind of bracket included with your blind.)
  2. Check the headrail to see that all cords and tape ladders operate freely. Untangle if necessary.
  3. If installing a valance, snap the clips onto the headrail.
  4. Slip the headrail into the support brackets (and end brackets, if applicable) with a rolling motion and push into place.
  5. If using end brackets, check to see that the headrail is centered and snug fitting into the brackets. If it isn't, remove the headrail and expand the end tabs on the headrail with a screwdriver.
  6. If your brackets have hinged covers, close them. Make sure the locking tabs snap securely into place.
Attaching the Wand Tilter (if your blinds have an attached tilter, or a cord tilter, go to the next step)
  1. Your blind may be supplied with one of two types of wand tilters. Yours has either:
    • Two plastic prongs or
    • A metal hook inside a plastic sleeve
  2. If your tilter has the plastic prongs, snap the prongs in the small hole at the end of the protruding metal shaft on the headrail.
  3. If your tilter has a metal hook, remove the plastic sleeve from the wand and slip it over the protruding metal shaft. Insert the hook through the hole in the metal shaft until the wand "rests" in the bend of the hook, and then slide the plastic sleeve back down on the edge of the wand.
  4. Test the tilter. Rotate the wand to open and close the slats--approximately 6 revolutions will completely tilt the slats in either direction.
Attaching the Valance (If your blind didn't come with a valance, or if it has a built-in valance, proceed to the next step.)
  1. Make sure you've clipped the valance clips to the headrail before installing the headrail.
  2. With the headrail in place, prepare the valance slats for installation as stated in your manufacturer's instructions.
Hold Down Brackets
  1. With some horizontal blinds, hold down brackets are provided to prevent the bottom rail from swaying. The blind however, must remain lowered in a stationary position.
  2. With the blind installed, lower the bottom rail to the desired position. Push the pin of each hold down bracket into the center of each end at the bottom rail.
  3. Through the holes on the hold down brackets, mark where the brackets are to be mounted.
  4. Drill pilot holes and secure the brackets with screws.
After Installation

How To Operate your Blind

  1. An automatic locking device will engage when the cords hang vertically down.
  2. When raising and lowering your blind, make sure that your slats are in the horizontal (open) position.
  3. To raise and lower the blind, pull the cords toward the middle and down slightly to release the lock.
  4. When at the desired height, return the cord to the vertical position to reengage the locking device.


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