black roller blinds blackout bedroom living room office factory price with cord control and top casstele

Product Overview

These are black blackout roller blinds built around an aluminum top cassette and a side beaded chain. The fabric rolls up inside the cassette rather than sitting exposed on a bare tube, so the top of the window keeps a straight, closed line whether the blind is up, half down or fully lowered. The black cloth reads as a solid matte panel against white or grey frames, which is why it suits bedrooms, lounges and meeting rooms where the window should recede rather than compete with the room.

Every blind is cut to the width and drop on the order, in blackout or daylight fabric. Standard drops cover an ordinary bedroom window as well as tall living-room and office glazing. Chain on the left or the right, mounted inside the recess or over the frame, a single window or a run across a floor — those are the choices you settle before we cut.

As window blinds manufacturers we build this model for trade buyers, fit-out contractors, hotel and office refurbishments, and distributors who need one dependable roller across many rooms. If you already sell roller shades, the cassette version gives your range a cleaner finish with the same familiar chain operation.

Aluminum Top Cassette

• It houses the roll, not just caps it. The cassette is an aluminum box that the fabric rolls into, so the tube and the rolled cloth sit enclosed above the window instead of open to the room.
• Dust lands on the housing, not the fabric. With the roll covered, the cloth stays presentable between cleans — a real advantage in guest rooms, clinics and busy offices where nobody wants to dust metres of folded fabric.
• The drive is protected. Chain mechanism and tube ends sit inside the housing, out of reach of window handles, mop heads and cleaning cloths.
• A clean top line. Because the roll is hidden, the top of the blind reads as a straight horizontal edge rather than the exposed roll of open roller shades, which thickens as the blind is raised.
• Aluminum holds its shape. The housing does not bow across a wide window or soften in a warm room, and our top rails are aluminum, sized to suit the blind.
• A flat hem below. The bottom bar is wrapped in the same fabric, so the lower edge hangs level and matches the panel instead of showing a bare metal strip.
• Clean-cut side edges. The fabric is cut and finished without raw yarn, which matters on a dark panel where fraying would be the first thing anyone notices.
• Match the housing to the room. Cassettes are supplied to suit the fabric or the frame; confirm the finish you want when the order is placed.

Blackout Light Control

The fabric is the light-blocking part of these blackout roller blinds, and the component window blinds manufacturers have to get right. We use a high-density, light-impermeable cloth with a light-blocking core, and fully lowered it blocks up to 99% of external light — enough to take the glare off a monitor, to stop a summer sunrise waking the room at five in the morning, and to keep direct sun off flooring and upholstery through the day. The cloth is built in layers: a woven face on the room side, the light-blocking layer behind it, and a pale backing facing the glass.

Rooms that only need softening rather than darkening can take the same blind in a daylight fabric, which diffuses the light instead of stopping it. Blackout blinds are the usual choice for bedrooms, home theatres, hotel rooms and any space used for daytime sleep; daylight suits stairwells, studies and living rooms where the view and the brightness should stay.

How dark a room actually gets depends on the fit as much as the cloth. A cassette mounted over the frame overlaps the window opening and closes more of the perimeter than a tight inside fit, and a narrow line can pass the fabric edges. If a room has to go genuinely dark, tell us how the window is built and we will advise on the mount that gives the closest seal. The opaque fabric also keeps the room private by preventing outside visibility day and night. As an insulating layer it reduces heat transfer in summer and helps retain warmth in winter, which can help lower heating and cooling costs.

Beaded Chain Operation

• A continuous beaded loop. The blind is raised and lowered by a metal or ABS beaded chain running down one side into a clutch at the top rail.
• Smooth, quiet glide. The clutch is geared so the chain moves without squeaking or jittering, which matters in a bedroom at night and in a shared office during calls.
• It stops where you let go. Fabric can be set at any height, from a narrow band of light at the top to fully closed, and it holds there.
• Light effort on a big panel. The gearing keeps the pull comfortable even on a wide, full-drop roller blind.
• Choose the side. Chain can be supplied left or right; on paired windows, opposite hands keep both chains at the outer edges where they are easy to reach.
• Length for tall glazing. Tall doors and stair windows need a longer loop so the chain finishes at a comfortable height rather than above head height — confirm the drop when ordering.
• Keep the run clear. Leave the chain free of curtain hooks, tie-backs and furniture so it never snags or jumps the clutch.
• A chain that stiffens is telling you something. If the pull suddenly needs more effort, the clutch or a bracket needs attention; tell us and we will advise on the part.

Slim, Space-Saving Profile

A roller blind takes its space at the top of the window, not on the floor. These roller shades mount flat to the frame or to the ceiling above the recess, and the fabric rolls into the cassette, so when the blind is raised only the bottom bar shows. Sills stay clear for plants, kitchen work and window handles, and nothing gathers dust the way a curtain hem does.

That flat profile is why blockout roller blinds work in tighter rooms — box bedrooms, narrow home offices, hallways and rooms where a radiator or a full-length curtain would fight the furniture. On a French door or a tall window, the blind covers the full height without a curtain stack taking a corner of the room.

If you want softness as well as shade, hang a sheer curtain beside the blind and keep the roller as the light-control layer; the two do different jobs and do not compete for the same space. For a single treatment with the least visual weight, the cassette roller on its own is usually enough.

Fabric Durability and Care

• Colour holds. The cloth is fade-resistant, so a west-facing window does not bleach the panel to an uneven grey over a couple of summers.
• Resists dust and wear. The surface does not grab lint the way some fabrics do, and it takes the repeated up-and-down of daily use without thinning at the folds.
• A damp cloth is enough. Wipe the fabric with a soft, barely damp cloth; across a whole window, run a vacuum on low with a brush attachment.
• Do not scrub. Work gently down the panel rather than in circles, and blot anything that lands on it instead of rubbing it in.
• Keep cleaners mild. Avoid solvents, bleach and abrasive pads, which can mark the coating on blockout roller blinds long before the cloth itself is worn.
• Close the blind to clean the glass. Water sprayed at an open window runs into the cassette; lower the blind first and wipe the glass around it.
• A yearly check. Look over the chain, the bottom bar and the brackets once a year — a five-minute check catches a loose fixing before it becomes a re-hang.
• Store spares rolled. If you hold a spare blind for a project, keep it rolled, dry and upright rather than folded, so the panel does not take a crease.

Privacy, Heat and Glare

The blackout cloth is opaque, so the room is private day and night — no silhouettes at dusk and no net curtain needed behind it. That is the practical reason ground-floor rooms and street-facing offices choose blackout blinds over sheer ones.

The same panel works as a layer at the window. Closed, it reduces heat transfer: less solar gain in summer and a buffer against heat loss on cold nights, which takes some load off air conditioning and heating. We do not quote a saving, because it depends on the glass, the wall and the climate, but the difference is noticeable on single-glazed or large windows.

Glare control matters as much as darkness. A half-lowered blind cuts the reflection on a monitor without plunging the desk into shade, and keeping the fabric down through the brightest hours protects flooring, artwork and upholstery from the UV that fades them.

Specifications

Sizes, Colours and Fit

• Three standard footprints. They cover most domestic windows and a good share of office and hotel openings.
• Measure the opening first, then choose the mount. Inside the recess, measure width and drop at three points and use the smallest. Over the frame, add the overlap you want on each side so the fabric covers the reveal at the edges.
• Made to your measurement. As a blinds supplier working with trade customers, we cut custom roller blinds to the width and drop on your schedule — the standard sizes are a starting point, not a limit.
• Fabric before colour. Choose blackout or daylight first, then black, white, grey, beige or a custom colour matched to the room.
• Match a set. Tell us when windows sit side by side so the panels come from one fabric lot and the black reads the same across the wall.
• Look at a sample in the room. A black fabric can read warmer or cooler under different lighting; check it against your frame and wall before a bulk run.
• Allow for the cassette. The housing needs a little room at the top of the recess; where the frame is shallow, an outside mount is usually the cleaner answer.

Safe, Stable Operation

The chain is the part to think about when children and pets share the building. Our beaded chain is fitted with a breakaway connector: if the loop is pulled hard it separates instead of holding, which is the standard precaution on cord-operated blinds.

Behind the fabric, a sturdy aluminum roller tube carries the panel. Because the tube does not flex, a wide blind lowers evenly and the hem stays level instead of dipping at one end. The cassette takes the knocks — a mop handle, a hoover, a window cleaner's arm — so the working parts are less likely to be bent out of line.

Fitted properly, this is a low-attention product: the chain runs in a straight drop, the brackets hold the housing square and nothing needs adjusting between seasons. If a blind does start to run unevenly, it is usually the mounting rather than the mechanism — check the brackets and their fixings first, then come back to us with a photo of the headrail.

Room-by-Room Applications

• Bedrooms. A blackout panel plus a cassette that overlaps the frame gives the darkness that early summer mornings otherwise take away.
• Living rooms. Half-lowered, the blind cuts glare on the television and keeps sun off sofa fabric and timber flooring without making the room gloomy.
• Home offices and offices. Set the blind at eye level and the monitor reflection goes; a run of identical window roller blinds across a floor keeps the façade uniform.
• Hotel and guest rooms. The cassette keeps the roll dust-free between guests, and a wipe-clean fabric suits a fast housekeeping turnaround.
• Rental apartments. Standard sizes fit common openings, and the blind needs no curtain track, pelmet or wall drilling for a rail.
• Stairwells and tall doors. A long drop with a longer chain loop handles glazing that ordinary shades cannot reach.
• Showroom and display floors. Black panels read as a deliberate backdrop behind displays and can be dropped for after-hours privacy.

Production Process

1. Place the order — width, drop, fabric, colour, chain side and mount type are confirmed on the order sheet.
2. Stock up — fabric rolls, aluminum rails and cassette components are drawn from the raw material held at the plant.
3. Select the material — the blackout or daylight fabric is matched to the order and checked for shade consistency across the batch.
4. Cut fabric and rails — the panel and the aluminum top rail are cut to the measured width and drop.
5. Assembly — tube, cassette, bottom bar and chain drive are fitted, then the blind is hung to check the drop.
6. Inspection — every blind is run up and down and checked for a level hem and a clean panel; as window blinds manufacturers we inspect on the line rather than after packing.
7. Packaging — each blind is bagged and boxed in the packing format agreed for the order.
8. Delivery — finished orders are consolidated for export and shipped on the schedule confirmed with you.

Ordering and Delivery

• Minimum order quantity. It depends on the size and colour mix, so ask your sales contact for the current figure for the sizes you need before you commit to a purchase order.
• Samples. Ask your sales contact about sample availability so you can check the black against your own frame and lighting before a bulk run.
• Packing. Blinds are packed in a carton with a PP bag, or in a PET box for display use; a mail-order box is used where the parcel channel needs it.
• Shipping. We provide a one-stop export service and can arrange sea, air or express freight depending on volume and the date you need the goods.
• Lead time. Standard production runs to a confirmed schedule, and a 7-day rush window is available for small custom orders — confirm that it still holds for your sizes and delivery date.
• Stock. Raw materials are held at the plant, which keeps repeat orders and colour matches moving.
• Quality follow-up. If a manufacturing fault turns up, send your sales contact photos and the order number so it can be assessed against the terms agreed for your order.
• Confirm with the order. Chain side, mount type, cassette colour, packing format and the delivery address all need to be on the order sheet before production starts.

Installation and Fixings

1. Measure the opening before you choose a mount. Take the width at the top, middle and bottom of the recess, the drop from the top of the opening to the sill, and the depth from the glass to the face of the frame; the smallest width and drop are the ones that count.
2. Match the cassette to the depth you have. The housing needs clear space at the top of the recess so the fabric can roll in without rubbing the frame. If the frame is shallow, or a window handle or tile edge sits in the way, plan an outside mount instead — the cassette then sits on the wall or ceiling and overlaps the opening.
3. Offer the housing up dry before drilling. Hold the cassette in position and check that it clears window handles, opening casements and any tile or trim, then decide how much overlap you want at each side on an outside mount.
4. Mark the brackets level and square. The two end brackets carry the whole blind, so set them at the same height with a spirit level and keep the housing straight — a bracket a few millimetres out shows as a hem that dips at one end on a wide blackout roller blinds panel.
5. Match the fixing to the wall, not to the bracket. Brick, block and timber take an ordinary screw and plug; plasterboard, dry-lined walls and ceilings need an anchor rated for the weight of the blind. Tell us the wall build when you order custom roller blinds and we will point you to the fixing type before the goods ship.
6. Drill and fix without disturbing the housing. Use a drill bit matched to the plug, keep dust out of the cassette, and tighten the screws evenly so the housing does not twist as it pulls down onto the wall.
7. Hang the blind and run it through its full travel. Lower it fully, raise it fully, and check that the hem stays level, the chain drops to a comfortable height and the loop runs clear of the frame and any furniture.
8. Watch for the usual mistakes: a cassette pushed too deep into a shallow recess so the fabric grazes the frame, brackets fixed only into plaster, a chain loop too short on a tall window, and a tie-back or curtain hook left where it can catch the chain.

Scale & Supply Capability

Meijia Window Decoration has been manufacturing window coverings since 2005 and today runs a 53,000 m² factory with around 200 staff, plus a second production base in Anhui with 12 lines, backed by a database of more than 3,000 qualified suppliers. We supply builders, e-commerce sellers and supermarkets across Europe, North and South America, the Middle East and Asia, with OEM and private-label production, minor customisation and one-stop export handling under 100% quality control. Both plants hold BSCI social responsibility, ISO 9001 and ISO 14001 certification.

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