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How to Measure Cellular Shades
How to Measure for Inside Mount
Measure the Depth: Measure your window frame for an inside mount. Minimum depth required: 7/8" (2.2 cm) for Standard Valances.
Measure the Width: Place the tape inside the window frame and measure left-to-right at the top, middle, and bottom. Keep it level, record each measurement, and use the smallest one, rounding down to the nearest 1/8" (0.125").
Measure the Height: Measure top-to-bottom at left, center, and right inside the frame. Keep the tape vertical; record each measurement. Use the largest measurement and round down to the nearest 1/8" (0.125").
Tips for Inside Mount
Ensure your window frame has enough depth for an inside mount.
Your window frame has enough depth for an inside mount, with a minimum depth of 7/8" (2.2 cm).
Note that the fabric width is usually about 3/16" (5 mm) smaller than the valance (order width).
How to Measure for Outside Mount
Measure the Space: Measure the height above the window where the headrail will be installed, ensuring enough space for the secure bracket and headrail placement.
Measure the Width: Adding 2–6 inches (5.1 to 15.2 cm) to the exact width is recommended to cover the entire window and provide maximum light coverage.
Measure the Height: Measure the window from top to bottom. Add 2–6 inches (5.1 to 15.2 cm) to ensure full coverage and maximum light blockage.
Tips for Outside Mount
Add 2–6 inches to cover the trim or window, ensuring better light control and privacy.
Outside mounting accommodates brackets and makes the window look bigger.
Ensure 2–6 inches of flat space above the window or frame for secure bracket installation.
Key Features
Double-Cell Honeycomb Insulation
Soft Light Filtering and Glare Reduction
Top-Down Bottom-Up Control
Smooth Motorized Operation
Improved Sound Absorption
Flexible Daylight and Privacy Control
Double Cell TDBU Light Filtering Cellular Shades for Comfort
WEFFORT Motorized Double Cell Top-Down Bottom-Up Light Filtering Cellular Shades combine enhanced insulation, flexible window coverage, and convenient motorized control. Featuring a double-cell honeycomb structure and light-filtering fabric, these dual-cell cellular blinds soften incoming sunlight while helping regulate indoor temperatures. The top-down bottom-up mechanism lets you lower the shade from the top or raise it from the bottom, offering greater flexibility over daylight and privacy. With smooth motorized adjustment, a clean cordless appearance, and compatible smart home options, these shades are a practical addition to modern homes seeking comfort, energy efficiency, and versatile light control.
Suitable For
Energy-Conscious Homeowners: Benefit from double-cell insulation to help manage heat transfer and maintain comfortable indoor temperatures in living rooms, bedrooms, and sun-exposed spaces.
Remote Workers and Students: Enjoy softened daylight with reduced screen glare in home offices, study rooms, and workspaces.
Privacy-Conscious Households: Adjust upper and lower window sections independently to balance natural light and privacy in bedrooms, living rooms, and street-facing spaces.
Smart Home Enthusiasts: Enjoy convenient motorized adjustments and compatible automation options for everyday operation and scheduling.
Families with Children or Pets: Choose cordless window coverings without dangling operating cords for a cleaner, family-friendly environment.
Homeowners in Busy Neighborhoods: Benefit from the potential sound-absorbing properties of double-cell construction in apartments and homes near busy streets.
Customization Options
Customize your motorized shades to suit your window dimensions, installation needs, and preferred style.
Power Type:Choose the power source that fits your installation: rechargeable battery, hardwired power, or an optional solar panel for compatible motors.
Motor Type:Select a motor to match your control preferences, with options that may include remote control and smart home connectivity such as Z-Wave, or Matter.
Motor Side:Choose the motor position that best fits your window layout and installation requirements.
Hardware Color: Choose between white and black valance and rail options to best match your window frames and interior décor.
Installation Difficulty: Level 1 — Quick and Easy!
Step 1: Position the Brackets
Place the mounting brackets in their designated positions on the shade, then use a pencil to mark the screw locations on the window frame or wall.
Refer to the product instructions for the recommended bracket spacing and placement.
Repeat the process for all remaining brackets.
Use a level to ensure all bracket positions are properly aligned before drilling.
Step 2: Secure the Brackets
Drill pilot holes at each marked screw location using a power drill.
Remove the brackets from the shade and position them over the prepared holes.
Secure each bracket firmly to the wall or window frame using the appropriate screws.
Step 3: Mount the Shade
Hold the shade with both hands and align its top edge with the installed brackets.
Push one side of the shade toward the bracket until the plastic mounting tabs on the valance engage and lock into place.
Gently tilt the opposite side upward until it catches on the bracket hooks.
Apply light pressure until the shade snaps securely into place with a click. Check that both sides are firmly locked before releasing the shade.
Add a touch of sophistication that elevates your furniture and overall interior, creating a refined and inviting space.
Light and Privacy Control
Fine-tune brightness and privacy at any time of day. Lower the top to let in sunlight while keeping the bottom closed, or raise the bottom for an outdoor view while shielding the upper section from glare.
Energy Efficiency
The honeycomb cellular structure provides superior insulation, helping maintain indoor temperatures year-round. Reduce heating and cooling costs while enjoying consistent comfort.
Tailored to Your Style
Choose from a variety of sizes, colors, and patterns to create window treatments that perfectly complement your home décor.
Sleek Cordless Design
A cordless operation ensures a clean, modern look while eliminating hazards for children and pets. Safe, practical, and stylish.
Smart Home Integration
Compatible with leading smart systems, Levitate shades can be controlled by voice, app, or remote. Effortlessly manage light and privacy with a simple command.
Durable Battery Power
Built-in lithium battery ensures long-lasting performance, typically requiring charging only every 4–6 months. Optional solar panel keeps your shades powered continuously.
Furniture Protection Made Easy
Shield your furniture from fading and sun damage while maintaining a bright, inviting interior.
WHY WEFFORT
Customize Every Detail for You
From fabrics to motors and casing styles, Weffort lets you tailor your shades to your home and lifestyle. Our in-house design and production make choices like power type and finishes easy and reliable.
Friendly & Responsive Support
We back our products with an expert in-house team ready to help with any questions or issues. From installation tips to troubleshooting, you’ll get fast, practical support whenever you need it.
Quick and Easy Installation
Most shades can be installed in about 10 minutes. Simple instructions and intuitive hardware make setup quick and stress-free, even for first-timers.
Smooth and Quiet Operation
Our in-house engineered motors provide seamless, ultra-quiet operation that won't disturb your home. They are built for long-lasting durability and precise performance, combining comfort and reliability in every movement.
FREE SHIPPING
Free shipping on all orders USA with no minimum.
NEED A HAND?
Feel free to call us on +1 877-933-3671 or email us.
ORDER SAMPLES
Lock in your current discount for 30 days.
FAST DELIVERY
Styles that arrive to your home in as little as a week.
FAQs
First, ensure you have the necessary tools: a measuring tape, a drill, a level, brackets, and screws. Then, decide whether you want to install inside-mount or outside-mount shades. The former is a better option if you want a custom, cleaner look, while the latter gives you more privacy and light control. Once you decide, you should measure your window frame. If you’re installing inside mount shades, measure the window frame depth to ensure the shades will fit. Moreover, check whether your window is square; if it’s not, outside-mount shades are a better option.
When you need a little extra privacy or better control of your window lighting, top-down bottom-up shades are a great option. Top-down bottom-up shades are window treatments that can be raised from the bottom, lowered from the top or adjusted from both directions at once.
Top-down bottom-up shades are ideal if you want to let in light without compromising your privacy, or if you want to eliminate sun glare in your eyes without covering the entire window. Plus, if you have furniture that partially blocks access to a window, they can be easier to open than traditional shades.
Consider adding top-down bottom-up shades to bathroom windows, ground floor windows and any room where windows frequently cast a glare on computer or TV screens.
Top-down bottom-up shades are considered one of the most versatile and functional window treatments. Such shades can be motorized for extra convenience or hard-to-reach windows. You can raise or lower motorized top-down bottom-up shades by pushing a button.
If you’ve ever wanted to be able to leave the top of your window open while keeping the bottom covered, or to adjust what portion of the window is covered by the blinds, then top down bottom up shades are exactly what you’re looking for.
We especially recommend top down bottom up blinds for the ground floor of homes and apartments. These shades allow you to cover the bottom portion of your window, thus maintaining your privacy, while still letting in light at the top of the window. Top down bottom up shades are also an ideal choice for rooms that get full morning or afternoon sun and thus experience a lot of glare.
5 stars: 26 (93%)
4 stars: 2 (7%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)
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Stella R.
I was a little apprehensive ordering blinds online with my measurements. It all went perfectly. The instructions were easy to follow, they follow up by email to confirm the measurements. Once received, it me less than a half hour to hang each one. So far, I’ve ordered 3 and will eventually do 2 more. Once hung, it was obvious they are good quality. The up/down works great and my windows are quite wide. Definitely recommend.
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Nathan B.
I got this for my bay window primarily for privacy. I've never had TDBU blinds before but this looked like just what I needed and it has exceeded my expectations. The operation is remarkably smooth and the light filtering works well for letting light in while keeping the room private.
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Layla L.
Love these! Beautiful true white color. My window was 35 1/4 inches and I ordered a 36 inch, with the half inch deduction, they fit perfectly! Will buy more, smooth operation, very nice!
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Tobias P.
Got this discount, having been opened previously. I am sure glad I did, works perfectly. Fit my window exactly as described, GREAT product!!!! Worth every penny
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Scarlett P.
These blinds were exactly as described and expected. I was weary of ordering a custom product through Weffort, but I’m pleased with the final product. I would order again. They were also easy to install. I can not speak to the longevity, but the quality matches previously purchased more expensive product.
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Asher S.
They were easy to install and have been working great. I love being able to lower them from the top or raise them from the bottom. The action is smooth and they stay exactly where I want them to be. Will definitely consider buying more for other windows in the house.
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Madison R.
Easy to install
Looks great
Good value for the price
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Penelope C.
The first one was a little harder than anticipated to install....instructions are kinda iffy. Second one much easier. Perfect for privacy yet allowing the moon to shine in on full moon nites! Brackets very sturdy. Would recommend!
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Aurora W.
Got the white blind, delivered in under a week, and looks great. We love the top down and bottom up with light filtering. Good product!
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Gabriel B.
Great experience, the company contacted me to double check my measurement approach and inform the hair of a decrement they make to ensure proper fit. My husband had no issues with installation and it has worked perfectly ever since.
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Levi R.
Excellent quality, feels durable and helps with insulation. These top down bottom up cellular shades have full range of motion. They open up all the way from top down unlike some shades where they open down to about 1/3. Very happy with these cellular shades.
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Chloe J.
We bought two of these for our windows. One went on perfectly and moved up and down as advertised. The second one, after it was installed is stuck down about 6 inches from the top and won’t go all the way up. Overall happy with the purchase but annoyed about the second shade.
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Adrian B.
What more can i say. this is a Great product.
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Ruby F.
Very easy to install. Perfect fit and operates up and down smoothly. Looks great and appears to be high quality.
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Lucas H.
We love top-down/ bottom up pleated shades for the privacy and ventilation they offer. We spent hundreds of dollars on another set in a home warehouse store. They are a popular brand and we chose our color carefully.
They are heavy, hard to keep level, bunch up when opened, and a handle broke (which they replaced).
These are much easier to use, have sturdier handles, and are otherwise just as good as the name brand shades. I was careful to buy a pleat deep enough for my needs.
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Steve S.
Looks great, I actually ordered the shades too short but it wasn’t your fault. Would be great if I could exchange just the shades too short parts for longer but understand if you can’t They look great
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James M.
Love my new shades. Looks great on my windows and fits perfectly. Installing was pretty straight forward and customer service was very helpful when I had questions.
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Aaron
Easy to install and nice for a window by a bed. You can have privacy and still let the light in from the top. They seem pretty durable too.
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Jordan H.
Amazing! Just what we needed for our rental apt. Highly recommend!! I’m about to order 2 more
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David D.
The product is well packaged, delivered on time, and easy to install as described. We installed it in the previous blind bracket and it works great. The cellular shade noticeably reduces the temperature in the bedroom. The top down feature is nice so we get the privacy but still allowing the morning light in. Cannot comment on the durability but it well made and material looks to be a good quality.
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Tina B.
Would absolutely buy these again, and I have recommended them to several other people. Very easy to put up by yourself.
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Chris G.
Quick and easy to install. Provides privacy and light when needed.
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William S.
Love these shades!!! So easy to install and WAY better than the paper!!! Love that I can easily open up or down to let the sun in. Also can pull down from top to allow sun in but keep privacy.
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Craig S.
Super easy installation, manual control of blinds is smooth and easy, light filtering is exactly what we wanted. A couple of months into the purchase, it's working great. Hope they hold up over long term usage.
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Martin R.
Better quality than expected. Fits perfectly inside mounted. Makes a clean, light filtering look and the ability to open it from the top or bottom is great. Veru easy to install.
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Nathaniel S.
It's overall a great product. shade shields the light perfectly. I would certainly buy again in the future. The setup instructions is easy to understand
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