How To Measure For Outside Mount Blinds: A Simple Guide

Sep 3, 2025 by Mireille Lambert 56 views

So, you're thinking about getting some stylish outside mount blinds, huh? Awesome choice! They can really add a touch of elegance and functionality to your windows. But before you go ahead and click that 'buy' button, you've gotta make sure you get the measurements right. Trust me, nothing's more frustrating than blinds that don't fit! That's why I've put together this super easy guide to help you measure for outside mount blinds like a pro. Let's dive in, guys!

Why Choose Outside Mount Blinds?

Before we get into the nitty-gritty of measuring, let's quickly chat about why outside mount blinds are such a fantastic option. Unlike inside mount blinds that fit snugly within the window frame, outside mount blinds are installed on the wall or molding surrounding the window. This gives them a few cool advantages:

They can make your windows appear larger: By extending beyond the window frame, outside mount blinds create the illusion of a bigger window. This is especially great for smaller windows that could use a little visual boost.
They offer better light control and privacy: Because they cover the entire window and overlap the surrounding wall, outside mount blinds do an amazing job of blocking out light and ensuring privacy. No more peeking Toms!
They can hide unattractive window frames: Got some old, beat-up window frames? No worries! Outside mount blinds can cover them up and give your windows a fresh, clean look.
They're great for windows with obstructions: If you've got window cranks, handles, or other obstructions inside your window frame, outside mount blinds are a perfect solution. They won't interfere with these features.

Now that you're sold on the idea of outside mount blinds, let's get down to business and learn how to measure for them accurately. This part is crucial, so pay close attention!

Gathering Your Tools: What You'll Need

Okay, before you start measuring, you'll need to gather a few essential tools. Don't worry, nothing too fancy! Here's what you'll need:

A metal measuring tape: Forget those flimsy cloth tapes! A metal measuring tape will give you the most accurate readings. Trust me, precision is key here.
A pencil: You'll need this to jot down your measurements. A regular pencil works just fine.
Paper: To record your measurements in an organized way. You don't want to mix up the width and height, do you?
A stepladder (if needed): If your windows are high up, grab a sturdy stepladder to reach them safely. Safety first, guys!

With your tools in hand, you're ready to tackle the measuring process. Let's move on to the most important part: getting those measurements just right.

Step-by-Step Guide: Measuring for Outside Mount Blinds

Alright, let's get to the heart of the matter: measuring for your outside mount blinds. Follow these steps carefully, and you'll be golden!

Step 1: Determine Your Desired Overlap

This is where you decide how much you want your blinds to extend beyond the window frame. A general rule of thumb is to add at least 3 inches to both the width and the height. This overlap helps block out light and provides better privacy. However, you can adjust this based on your personal preference and the size of your window.

For width: I recommend adding 1.5 inches on each side of the window frame (total of 3 inches). If you want maximum light blockage, you can even add more, like 2 or 3 inches per side.
For height: Add at least 3 inches to the top of the window frame. This will allow enough space for the mounting hardware and ensure the blinds cover the entire window when lowered. For the bottom, you can add a few inches as well, depending on how far you want the blinds to hang.

Important Note: Make sure to consider any obstructions, like window trim or molding, when determining your overlap. You want the blinds to sit flush against the wall or molding without any gaps.

Step 2: Measure the Width

Now, grab your metal measuring tape and let's measure the width. This is the horizontal distance you want your blinds to cover.

Hold the measuring tape at the point where you want the blinds to start on one side of the window.
Extend the tape across to the point where you want the blinds to end on the other side.
Record this measurement in inches. This is your desired width.

Pro Tip: Measure the width at the top, middle, and bottom of the window. If the measurements are different, use the largest measurement. This will ensure your blinds fit properly.

Step 3: Measure the Height

Next up, we'll measure the height. This is the vertical distance you want your blinds to cover.

Hold the measuring tape at the point where you want the blinds to start above the window.
Extend the tape down to the point where you want the blinds to end below the window.
Record this measurement in inches. This is your desired height.

Pro Tip: Similar to the width, measure the height on the left, right, and center of the window. Use the largest measurement if they vary.

Step 4: Double-Check Your Measurements

This is a crucial step, guys! Before you finalize your measurements, double-check everything. Trust me, it's better to be safe than sorry. Re-measure the width and height at least twice to ensure accuracy.

Why is this so important? Because blinds are usually custom-made to your exact measurements. If you order the wrong size, you'll end up with blinds that don't fit, and that's a real headache (and a waste of money!).

Step 5: Record Your Measurements Clearly

Once you're confident in your measurements, write them down clearly on your paper. I recommend labeling them as "Width" and "Height" to avoid any confusion.

Here's a helpful way to record your measurements:

Width: (Measurement in inches)
Height: (Measurement in inches)

Example:

Width: 36.5 inches
Height: 48 inches

Having clear and accurate measurements is essential when you place your order. It'll help the blind manufacturer create the perfect blinds for your windows.

Ordering Your Blinds: What to Do with Your Measurements

Okay, you've got your measurements, you've double-checked them, and you've recorded them clearly. Awesome! Now, it's time to order your outside mount blinds. But what do you do with those measurements?

Provide Exact Measurements

When you're placing your order, whether it's online or in a store, you'll typically be asked to provide the width and height measurements. It's crucial to give the exact measurements you took, including any fractions of an inch. Don't round up or down! The manufacturer will usually make any necessary deductions for the mounting hardware and operating mechanisms.

Specify Outside Mount

Make sure to clearly specify that you're ordering outside mount blinds. This will ensure that the manufacturer provides the correct hardware and makes the necessary adjustments for this type of installation.

Consider Vanes or Slats

Think about the material and style of your window blinds slats or vanes. Common options include wood, faux wood, aluminum, and vinyl. Each material has its own pros and cons in terms of light control, privacy, durability, and cost.

Don't Hesitate to Ask for Help

If you're feeling unsure about anything, don't hesitate to reach out to the blind manufacturer or retailer for assistance. They can answer your questions, provide guidance, and help you ensure you're ordering the right size and style of blinds for your needs.

Installation Tips for Outside Mount Blinds

Once your blinds arrive, you'll be eager to get them installed and enjoy your new window coverings. While installation can vary slightly depending on the type of blinds you've chosen, here are some general tips to keep in mind:

Read the instructions: This might seem obvious, but it's super important! Carefully read the installation instructions provided by the manufacturer before you start. This will give you a clear understanding of the process and help you avoid any mistakes.
Gather your tools: Make sure you have all the necessary tools on hand before you begin. This might include a drill, screwdriver, level, measuring tape, and pencil.
Mark the mounting bracket locations: Use a pencil and measuring tape to accurately mark where you'll be installing the mounting brackets. Use a level to ensure the brackets are aligned horizontally.
Pre-drill holes: If you're installing the blinds into drywall, pre-drilling holes can make the process easier and prevent the screws from stripping. Make sure to use the correct size drill bit.
Secure the brackets: Attach the mounting brackets to the wall or molding using screws. Make sure the brackets are securely fastened.
Attach the headrail: Once the brackets are in place, attach the headrail (the top part of the blinds) to the brackets. This usually involves snapping or sliding the headrail into the brackets.
Test the blinds: After the headrail is attached, test the blinds by raising and lowering them. Make sure they operate smoothly and evenly.
Install the valance (if applicable): Some outside mount blinds come with a valance, which is a decorative piece that covers the headrail. If your blinds have a valance, install it according to the manufacturer's instructions.

If you're not comfortable installing the blinds yourself, you can always hire a professional installer. This can be a great option if you want to ensure a perfect installation and avoid any potential headaches.

Troubleshooting Common Issues

Even with the best measuring and installation efforts, you might encounter a few snags along the way. Here are some common issues and how to troubleshoot them:

Blinds are too wide: If your blinds are slightly too wide, you might be able to trim them down. However, this is best left to professionals, as it requires specialized tools and expertise. Contact the manufacturer or a local blind repair shop for assistance.
Blinds are too narrow: If your blinds are too narrow, there's not much you can do to fix them. You'll likely need to order new blinds in the correct size. This is why accurate measuring is so important!
Blinds are too long: If your blinds are too long, you might be able to shorten them. Some types of blinds can be shortened relatively easily, while others require more specialized techniques. Check the manufacturer's instructions or consult with a professional.
Blinds don't operate smoothly: If your blinds aren't raising or lowering smoothly, there could be a few reasons. Check to make sure the cords or chains aren't tangled or caught. You might also need to lubricate the operating mechanisms. If the problem persists, contact the manufacturer or a blind repair professional.

Final Thoughts: Measuring Makes Perfect!

So there you have it, guys! A comprehensive guide to measuring for outside mount blinds. I know it might seem like a lot of steps, but trust me, taking the time to measure accurately is the key to getting blinds that fit perfectly and look fantastic. Remember, precise measurements are the best way to avoid headaches and ensure your new blinds will provide the light control, privacy, and style you're looking for.

By following these steps, you can confidently measure for your outside mount blinds and transform your windows into stylish focal points in your home. Happy measuring, and happy decorating!