How to hang a curtain without drilling: 5 tested and compared solutions

The tension rod: 3 to 8 kg capacity

The tension rod is an extendable metal bar held by pressure between two parallel surfaces (walls or window frame). It supports 3 to 8 kg depending on the diameter and model, making it one of the most versatile no-drill solutions. Installation takes 2 minutes, no tools required, and the rubber end caps leave no marks on the walls.

For sheer curtains and light decorative curtains, the tension rod works on all window sizes. For high-density technical curtains (620 g/m² like the Kurtens blackout, thermal and acoustic curtain), limitations appear quickly. A 250x230 cm curtain at 620 g/m² weighs approximately 3.6 kg: the rod holds, but with little safety margin. At 300x270 cm, the weight exceeds 5 kg, which creates a risk of falling for most telescopic models.

Verdict: reliable solution for small windows (100x150 or 150x230 cm) with light to medium curtains. For large windows with technical curtains, prefer classic wall mounting.

Adhesive hooks: 2 to 4 kg, reserved for sheer curtains

Adhesive hooks support 2 to 4 kg under normal conditions, which limits them to sheer and light curtains. They attach via double-sided tape to walls or window frames, with no tools and no visible marks upon removal (if the adhesive is of good quality).

"High capacity" models advertise up to 9 kg, but these figures are measured in a laboratory on smooth, clean surfaces. In real conditions, adhesion degrades with heat (south exposure in summer), humidity (bathroom, kitchen), and time.

For multi-layer technical curtains over 600 g/m², the risk is real: the curtain can fall in the middle of the night, taking the rod and potentially the wall plaster with it. Reserve adhesive hooks for sheer curtains, light decorative curtains, and small windows.

Magnetic supports: 5 to 12 kg, the best no-drill option for heavy curtains

Neodymium magnetic supports support 5 to 12 kg depending on the magnet's strength, making them the strongest no-drill solution on the market. They adhere to ferrous surfaces: steel window frames, metal veranda structures, and wrought iron supports. The attachment is 100% reversible, without any marks.

This is one of the few no-drill solutions genuinely compatible with heavy technical curtains. A 250x230 cm Kurtens curtain at 620 g/m² (approximately 3.6 kg) remains well within the limits of a quality magnetic support. Even at 300x270 cm (approximately 5 kg), the safety margin remains comfortable with neodymium magnets with an 8 to 12 kg capacity.

Simple test: bring a refrigerator magnet close to your window frame. If it sticks, magnetic supports will work. If it doesn't stick, your frame is made of PVC, aluminum, or wood, and magnetic supports are incompatible. PVC represents the majority of windows in recent construction in France, which limits this solution to older windows with metal frames or verandas.

Indicative price: 15 to 40 euros per pair depending on power.

Roller shutter box supports: 3 to 6 kg depending on the system

Roller shutter box supports utilize the box located above the window to attach a curtain rod without drilling. Three variants exist, with different load capacities:

• Side pressure supports: two pieces clamp against the internal walls of the box. Capacity: 5 to 6 kg. The strongest solution in this category.
• Hook-clip systems: hooks engage in the grooves of the box. Capacity: 3 to 5 kg. Compatibility varies depending on roller shutter brands (Somfy, Bubendorff, ACGM).
• Adhesive rods for casing: attached by adhesive to the front of the box. Capacity: 1 to 3 kg. Same limitations as classic adhesive hooks.

This solution is suitable for light to medium curtains on windows equipped with an exposed interior roller shutter box. The result is discreet: once installed, the supports are almost invisible. The main limitation is compatibility: not all boxes are compatible, and recessed wall boxes do not allow for this type of attachment.

Indicative price: 10 to 30 euros per kit.

Adhesive rod: 1 to 3 kg, only for thin curtains

The adhesive rod is a lightweight rod fixed directly to the wall or ceiling by an integrated adhesive. It supports 1 to 3 kg, making it the no-drill solution with the lowest load capacity. The aesthetic is pleasing and discreet, but its long-term reliability remains limited.

Reserve this solution exclusively for sheer curtains and very light decorative curtains. For any curtain with a technical function (blackout, thermal, acoustic), the adhesive rod is inadequate: the weight of a multi-layer curtain systematically exceeds its capacity.

Indicative price: 8 to 20 euros.

Summary: which solution for the weight of your curtain

The table below compares the 5 no-drill solutions according to their load capacity, compatibility with different types of curtains, average price, and long-term durability.

Reading the table: mechanical solutions (tension rods, magnetic supports, box supports) retain their load capacity over time. Adhesive solutions (hooks, adhesive rods) lose adhesion over time depending on conditions (heat, humidity).

When drilling remains the best option

The classic wall mounting (2 screws per side) supports 15 to 20 kg, more than any of the no-drill solutions presented here. For high-density technical curtains, drilling remains the only reliable attachment for large windows and bay windows.

The Kurtens blackout, thermal and acoustic curtain weighs 620 g/m²*. This model offers 100% blackout*, up to 7 °C, measured in a laboratory*, and up to 22 dB of sound attenuation*. This weight requires appropriate attachment. A classic wall rod with two screwed side supports handles 15 to 20 kg. Choose a capacity well above the combined weight of the curtain and the rod: for a large curtain of this model, calculate the curtain's weight (area in m² × 620 g/m²), then add the rod's weight.

Installation takes 10 minutes with a drill: 2 holes per side, 4 anchors, 4 screws. For tenants, the 4 screw holes can be filled in 30 seconds with a 3-euro tube of spackling compound, during the exit inventory. This simple gesture is more reliable than risking a curtain falling in the middle of the night with a no-drill solution unsuited to the weight.

Kurtens custom-made curtains are available with grommets, pleating tape, or rod pockets, compatible with any standard wall rod. Advantage of custom-made for tenants: curtains unhook in 30 seconds, the rod unscrews in 2 minutes, and everything goes with you when you move. It's the only truly portable insulation solution: thermal, blackout, and acoustic performance that accompanies you from one home to another.

To choose the right attachment for your configuration, consult the complete Kurtens attachment guide. If you are installing a thermal curtain, also check which way to position it to maximize insulation. And to determine the exact dimensions of your curtain, the size guide will help you step-by-step.

*Data from tests conducted under optimal conditions.

To close off a wardrobe or a closet, discover our Made-to-Measure Wardrobe and Closet Curtains.

To fit out a motorhome or a camper van, discover our Made-to-measure campervan and motorhome curtains.

How can I hang curtains without drilling?

Choose an attachment that holds without screws and whose capacity covers the weight of the curtain and the rod: a tension rod wedged in the window recess, magnetic supports on a steel frame, or supports clamped or clipped into a visible roller shutter box. Adhesive hooks and adhesive rods only suit sheer and light curtains.

The weight is calculated from the curtain's surface area in m² and its fabric weight per m². At Kurtens, the blackout, thermal and acoustic curtain weighs 620 g/m², the single-layer blackout curtain 315 g/m² and the linen-effect light-filtering curtain 265 g/m². When the rod rests on supports, they carry both the curtain and the rod: add the two weights together.

Kurtens sells neither rods nor supports. The capacity to rely on is the one stated by their manufacturer. With an adhesive attachment, keep an eye on how it holds over time: adhesion drops with heat and humidity.

The comparison above gives the load range of each solution, and the question on PVC windows in the FAQ covers that case. If no drill-free attachment suits your window or the weight of the curtain, the section on wall mounting explains how to install and remove a screwed rod.

How do you install a blackout curtain without drilling into the wall?

A blackout curtain goes up without drilling if the attachment carries its weight: a tension rod in the window recess, magnetic supports on a steel frame or roller shutter box supports, depending on their capacity. Avoid adhesives for a heavy blackout curtain. To make the room dark, the curtain must cover the whole glass with no side gaps.

The weight depends on the construction. The three-layer Kurtens blackout, thermal and acoustic curtain weighs 620 g/m²: on a large window, a tension rod is not suitable. Check that another drill-free attachment takes the total load, rod included: magnetic supports on a steel frame, or roller shutter box supports only if their manufacturer states a sufficient capacity, since the comparison rates them "depending on model"; otherwise, plan for wall mounting. The Kurtens single-layer blackout curtain blocks light with one layer and weighs 315 g/m², slightly more than half as much for the same surface, which leaves more margin below the capacity of a drill-free attachment.

Light gets in at the edges, not through the fabric. In a window recess, the curtain must cover its full width; above the frame, it must extend beyond it on each side. Use the size guide to prepare your curtain's dimensions, and the attachment guide to choose between grommets, pleating tape, rod pockets and a multifunction system.

Frequently Asked Questions