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Rolloschnur

(8 produkte)

Bei der Wahl der Jalousieschnur sind Material, Dicke und Farbe entscheidende Faktoren. Polyester wird aufgrund seiner Robustheit und UV-Beständigkeit häufig für Jalousien bevorzugt und eignet sich daher ideal für lichtdurchflutete Bereiche. Nylon ist zwar robust, aber UV-empfindlich, was zu schnellerem Verschleiß führen kann. Polypropylen ist eine günstigere Alternative, aber weniger haltbar und UV-beständig, was zu schnellerem Verschleiß und häufigerem Austausch führt. Elektrische Jalousien benötigen eine Schnur zum Ein- und Ausrollen. Größere Jalousien benötigen dickere Schnüre: 1,0 bis 1,3 mm für kleinere Jalousien und 2,5 mm für größere Holzjalousien.

Ansicht als

Der vollständige Leitfaden für Jalousienschnüre

Alles, was Sie über die Auswahl des richtigen Kordelmaterials, der richtigen Dicke und des richtigen Kordeltyps für Ihre Jalousien wissen müssen.

One thing is certain when it comes to blinds cord - one day it will wear out. Preferably, of course, you want the wear to be slow and the blind cord to last as long as possible.

So let's see what the options are and what is the best choice when you are looking for a new cord for your blinds. We'll look at material, cord thickness and color options.

Material Comparison: Nylon, Polypropylene & Polyester

Polyester

Our top choice for Venetian blind cord due to its exceptional durability and UV resistance.

Strong and durable
Excellent UV resistance
Long-lasting performance
Best value over time

Nylon

Very strong material, but has significant drawbacks for blind applications.

Very strong material
Sensitive to UV light
Degrades faster in sunlight
Not ideal for window applications

Polypropylene (PP)

Budget-friendly option, but compromises on quality and longevity.

Lower initial cost
Less strong than alternatives
Poor UV resistance
Wears out faster
Requires frequent replacement

Why UV Resistance Matters

Blinds hang exactly where there is the most light exposure. UV resistance is crucial for longevity. While polypropylene may seem cheaper initially, you'll spend more over time due to frequent replacements and the hassle of re-stringing your blinds.

Electric Blinds and Blind Cord

If you have electric blinds, you still need cord for rolling them in and out. When rolling in, the motor turns so that the blind cord is twisted on a bushing, thus rolling the blind in.

In an electric blind, there are two louver cords:

  • One that tilts the slats. It lies loose over the bush, allowing it to tilt the slats without rotating further.
  • The cord that pulls the slats up is attached to the roll-up box with a knot and is rolled in and out.

Electric Blind Advantage

With electric blinds, cord replacement is generally needed less often. The constant force and controlled run-in speed create less friction, which means less wear and tear on the cord.

Because the motor works this way, you also never see electric blinds with ladder tape. The cord that pulls the slats up is the one you'll usually need to replace.

Choosing the Right Cord Thickness

The larger the blind, the thicker the cord should be. To determine which cord you need, you can look at the blind body size.

Quick Reference

For blind bodies measuring 25 mm to 35 mm, a cord of 1.0 to 1.3 mm diameter will be sufficient. For wooden blinds with a tray of 50 mm or larger, choose a 2.5 mm diameter cord.

Cord Selection Guide by Blind Type

Blind Type Recommended Diameter
Aluminum Blinds 1.1 to 1.7 mm
Wooden Blinds 2.5 mm
Flyscreen / Mosquito Net Systems 1.1 mm

Construction of Venetian Blind Cord

Venetian blind cord is made of braided polyester with a core from 1.7 mm diameter. Below that diameter, it is hollow braided because the diameter is so small.

Polyester is one of the most hard-wearing and UV-resistant types of rope. It's available in white and black for standard applications.

0.8 mm diameter polyester is also often used as louver cord, even though it is not specifically made for that purpose. This cord is available in many colors and comes on reels of 90 meters.

Frequently Asked Questions about Blind Cord

Blind cord is a thin, strong cord used to operate blinds — raising, lowering, and tilting the slats. At Prorope, we offer several variants: from braided polyester in 0.8 to 2.5 mm diameter to Dyneema cord with a polyester sheath in 0.8 and 0.9 mm. This means there is always the right choice for every type of blind or window covering.
Polyester is the best standard choice: strong, UV-resistant, and colourfast in sunlight. Nylon is sensitive to UV light and discolours and weakens with prolonged exposure — not suitable for blinds. Polypropylene is cheaper but wears out faster and has limited UV resistance. If you want the absolute maximum strength in the thinnest possible cord, a Dyneema cord with a polyester sheath is the best choice — nearly twice as strong as a polyester cord of the same diameter.
The standard polyester blind cord is braided with a core (from 1.7 mm) or hollow-braided (below 1.7 mm) and is the most commonly used choice for regular blinds. The Dyneema cord has a Dyneema core with a 32-carrier braided polyester sheath. This sheath protects the core against UV and wear, while the Dyneema core provides a breaking strength of 25 kg (0.8 mm, black) or 35 kg (0.9 mm, white) — more than twice the strength of comparable polyester cord. Please note that the Dyneema cord feels slightly stiffer than pure braided polyester.
Look at the width of your blind body. For a body of 25–35 mm, 1.0 to 1.3 mm is sufficient. For aluminium blinds, use 1.1 to 1.7 mm; for wooden blinds with a body of 50 mm or larger, choose 2.5 mm. For fly screens and horse systems, 1.1 mm is standard. For pleated blinds, the 0.8 mm polyester or 0.9 mm Dyneema with white polyester sheath are the most commonly used sizes.
The polyester blind cord is available in white and black. The 0.8 mm pleated cord is also available in light grey. The 0.8 mm Dyneema cord is black; the 0.9 mm Dyneema cord is white. There is always a colour to match your interior.
The polyester blind cord is available on convenient spools of 50 and 200 metres. The Dyneema cord with polyester sheath is available per metre and on large reels of 1,000 metres — ideal for installers or larger projects. This way you always order exactly the quantity you need.
Yes. An electric blind contains two cords: one that tilts the slats, and one that drives the roll-up tube. The roll-up cord is attached to the tube with a knot and is continuously rolled in and out by the motor. Because the motor delivers a constant speed and force, there is less friction than with manual operation, which means the cord generally lasts longer. Ladder tape systems are never used in electric blinds. For these, we recommend Dyneema or Polyester in the appropriate diameter.
This depends greatly on the material and position. Polyester wears significantly more slowly than nylon, as it is resistant to UV radiation and daily friction in the guides. Cheaper nylon or polypropylene cord discolours and deteriorates more quickly, especially in sunny window positions. Prorope deliberately chooses polyester as its standard material — and Dyneema with a polyester sheath for those who want maximum durability.
Yes. Both the 0.8 mm and 0.9 mm Dyneema cord with polyester sheath are suitable for indoor and outdoor use. The polyester sheath provides good UV resistance and protects the Dyneema core. Applications include indoor sun protection, pleated blinds, and outdoor applications such as kite flying, where a thin, lightweight but extremely strong line is required.
The easiest method is to tie the new cord to the old one and simply pull it through — this way you do not need to fully disassemble the blind. Choose a cord of the same or nearly the same thickness as the original, so it moves smoothly through the guides and eyelets. One customer replaced the cord of their duette blind using the 0.9 mm Dyneema cord: "The blind repaired perfectly."
The Dyneema cord is available per metre, so you can order exactly the length you need. The polyester spools are available in 50 and 200 metres. Orders placed before 13:00 on business days are dispatched the same day. Do you have questions about the right size, variant, or quantity? Contact us at info@prorope.com.
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