Venetian Blinds: Sizing, Mounting, and Upkeep


How to Properly Gauge for Venetian Blinds


When taking measurements for new blinds, there are a few essential details to remember. This quick reference is here to assist you. To begin, gather your supplies: a pencil, paper, and a tape measure (a metal one is preferable).

How to quantify…

The standard unit of measurement for blinds is the millimeter (mm), so be careful to take measures in that unit.

Where to take the measurements…

The window face and recess are typical locations for installing blinds in a window’s surrounding space. The front of the window frame or wall, or the top of the window recess, is suitable for installing any Venetian Blind. Your blind’s placement is entirely in your hands.

Measurement of a recess entails:

The Venetian blind must be installed inside the window frame region, so ensure an appropriate depth for this. Any less than 50mm and the blind will stick out of the recess. Installing your blind as a face fit outside the window recess is an option if you have less than 50mm.

1) From ceiling to ceiling, calculate the depth of the niche. Here is where you’ll install the brackets. Ensure the width is uniform throughout all three points of measurement and that no bumps in the walls might prevent the blind from closing correctly.
Make a note of the shortest length.
Third, trim off 10 millimeters on each side; this will allow for slight variations in the wall and prevent the blind from being harmed when drawn. It is recommended that you have your blinds fitted to the face of the window if you wish to cover the entire window.
4) Determine the depth of the cutout by measuring its height to its depth.
5) Write down the exact dimensions.

How to Determine Your Face Size:

1) Determine the precise width that you want the blind to cover. To limit the gap at the side of the blind, adding an overlap from the window frame between 50mm and 100mm is recommended.
2) Write down the dimensions.
Third, determine the height from which you want the bottom of your blind to hang.
4) Make a note of the dimensions.

In addition…

• Deduct 10 mm from either side of your recess width measurements.
Make sure there are no mistakes by measuring twice.
Take into account the side you prefer the controls to be on.
• Make sure to include impediments like window handles in your measurements to ensure a perfect fit.
• When measuring for floor-to-ceiling windows, aim for a point roughly 20 mm above the ground. This will provide adequate space for the base rail to slide without interference.
For the Venetian Blind mechanism to clear as much glass as possible when lifted, it is recommended that, for face fit installations, the blind be mounted 250 mm above the frame. More light will enter the space, and the blinds on the doors can be opened wider.

Alternatives to Think About When Setting Up

Minimal recess depth (shallow sill):

For a flush mount (in which the product does not protrude into the room), a sill depth of at least 50 millimeters is required for fastening all brackets. You may want to consider a face-fit installation if your sill depth is insufficient.

Right-angle windows:

Privacy can be compromised when two Venetian Blinds meet in a corner, or two blinds meet in a corner with only glass. That’s because there’s a space between the components. To reduce the issue’s impact, you might design one product to slide past the other and the second product to fit snugly within the first.

When choosing Venetian Blinds for a corner window, consider which side your controls are on. Take care that the overlap doesn’t obstruct the control system.

Doors, both French and sliding:

Installing Venetian Blinds over French Doors or Sliding Glass Doors is not a good idea. Venetian blinds, when raised, leave a stack of slats that descend anywhere from 50mm to 250mm. The blind must be more significant in width and height if the entire door opening is to remain unobstructed when the blind is drawn. For each Venetian Blind, you’ll need an extra 50mm (width) by 250mm (drop) at the top for the mounting brackets. When the Venetian Blind is raised to these proportions, it will obscure less of the outside world and provide more clearance around the doorway.

Roller Blinds are an excellent option for covering French or sliding glass doors. When raised, roller blinds take up less space than their Venetian counterparts. Even if you don’t want Venetian blinds, that doesn’t mean you can’t.

A minimum of 25 millimeters on either side of the glass (50 millimeters in total) should be added to the width. However, the width you’d want may be limited by door handles. The ideal placement for a Venetian blind is inside the door handle. Recessed (RECESS) and surface (FACE) installation options are available for all Venetian Blinds. Check if the handle will be in the way when taking measurements.

Doors made of wood or metal are both suitable for installing Venetian blinds. You’ll need special “metal screws” to secure anything to a metal door.

How to Put in Venetian Blinds


We’re convinced that installing Venetian Blinds won’t take up too much of your time because they are straightforward.

Please read the entire set of directions carefully.

The following items are required:

1) Drilling machine
2. Drilling Tool
Three, the cross-headed Phillips screwdriver; four, the flat-headed variety;
Screws in a Box
No. 6: A pencil

What to do if your brackets fall out of…

Brick, mortar, or plaster:

A masonry drill bit with a 5.0 mm diameter should be used when drilling into masonry materials such as concrete, brick, or plaster. You’ll also need 8-gauge, 1″ Phillips-head screws and wall plugs.

Steel or Wood?

Drilling into wood or steel requires a high-speed steel bit no smaller than 3 millimeters in diameter. Pre-drilling pilot holes before screwing them into the wood are usually unnecessary.


Mask off your drilling point before you start drilling into tiles. The drill won’t slide as quickly, then.

How to Put in Venetian Blinds

1) Get your equipment out of its bag and set up your blind.
2) Look for the two mounting brackets that came with your order.

• Check the blind to see which side the control was installed on.
• When installing a blind, it is crucial that the brackets are attached in such a way that the blind hangs straight.
• Set the blinds where you want them. There are three possible configurations for the brackets:

Mounted on the side of the window recess or inside the frame (recess fit).
Mounted flush with the ceiling of the window well recess (within the frame).
Outside the window casing (face fit) is another option for installing Venetian blinds.

Third, using the blind brackets as guides, make pencil marks where the drill holes will go. Check the level of the brackets to ensure a smooth up-and-down motion of the blind.
Fourth, secure the brackets with the screws after marking and drilling the holes.
5) The Venetian Blind can be clipped into position by sliding it into the brackets and then closing the clip.
6) Slide the valance into place after attaching the valance clip.
Hold-down brackets are included with some Venetian blinds (number 7). The hold-down frame needs only be attached to the wall outside the window recess or the floor of the window opening. The Venetian Blind’s bottom bar will fit into a slot at the end of the brackets.

Adjusting the Venetian Blind’s Length

Mark the required length after hanging the blinds with the slats apart.
9) Detach the lift ropes from the bottom rail and remove any knots with scissors.
Ten) Slide out the bottom rail and the new blind slats by pulling the lift cable from the bottom rail.
Cut off the extra length of braided ladder string and replace the bottom rail beneath the bottom slat. Please don’t sever the lift’s cable.
The lift cords should be rethreaded through the bottom rail and knotted. Insert the ends of the braided ladder string through the bottom rail and twist them together to secure. Substitute new buttons for the bottom rail.

How to Care for Your Venetian Blinds


A moist cloth is all that’s needed to clean the blind. When cleaning the blind, avoid rubbing too hard; otherwise, you risk kinking or bending the blind slat.

Taking down the drapes

Simply releasing the blind from its brackets allows you to take it down. Hold on to the blind firmly to prevent it from falling; if possible, get some assistance.

Invisible harm

Many pieces of blind can be replaced for little or no cost if they get broken. The bottom rail and the chain are typical components that must be replaced. We suggest returning it to your supplier for rework, as the bottom rail may require a more complex replacement.

Common Issues / Troubleshooting

The slats of the blind won’t go down.

It’s possible that the cord lock won’t disengage the first time you try to lower the slats. Start by pulling on the lift cables while keeping them parallel to the ceiling. The lock on the cord should now be untied. Remove the blind from the window if this doesn’t work. Find the section of the headrail through which the cables pass to access the lock mechanism. A pin that slides out to free the cords is stuck, making it impossible for the lines to untangle themselves. Carefully push the nail using a flathead screwdriver to disconnect the cables, taking care not to damage the cords as you do. Ensure no one or anything is in the path of the lowering slats when the pin is released, as this could result in injury.

Unevenly, the blind hands

Blinds should be raised and fully extended. Slowly repeat this process until the blind is hung correctly. The blind can also be manually adjusted for height, though care must be taken to avoid breaking it.

New slats are required.

Take off the bottom rail cap and expose the ladder. Then you can pull out the cords ever-so-slightly to access the exposed ends. Remove the knot from the line and thread it through the remaining undamaged slat. The old slats must be removed and the new ones inserted so the route holes line up with those in the old slats. Then, as you make your way down the blind, weave the cords through the route holes, making sure to switch sides as you go. Thread the cables back into the baseboard and secure them. Alter the case.

This article includes as much information as possible about measuring, installing, and maintaining Venetian Blinds.

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