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Thermal insulation fabric for smarter indoor comfort

Designed for homes where temperature control matters, this thermal insulation fabric offers a practical way to improve everyday comfort around windows and doors. It is tailored to size and intended for regular use, helping reduce heat exchange while maintaining a clean, modern look. A suitable option if you want improvement without permanent alterations.

Product Overview

- May support up to approx. 45% improvement in thermal insulation performance, depending on installation and environmental conditions
- Soft, smooth touch with a premium-quality feel
- Inner layer features a brown backing

You can also request a free fabric sample to experience the quality before purchasing.

Technical Specifications

Composition: 100% polyester
Weight: 588 g/lm
Width: 140 cm
Thickness: 2.5 mm
Light reduction: 55%

Choose from our selection of further thermal insulation fabrics

Abrasion resistance (Martindale – EN ISO 1294748): 60,000 cycles
Pilling resistance (EN ISO 12945-2): Grade 4
Light fastness: 3–4 (EN ISO 105-B02)

Download the Softy technical datasheet for full specifications.

What makes this fabric a practical choice?

Designed for larger openings and frequently used doorways, this insulated fabric is created to balance performance with a clean, adaptable appearance. It may help improve indoor comfort while fitting naturally into different interior styles.

Made-to-measure sizing for more precise coverage on wide surfaces
Dense structure designed for everyday use
May help limit heat exchange and reduce draughts
Simple, versatile look suited to both modern and classic interiors

A suitable option if you want a heat-insulating fabric solution that enhances comfort without the need for permanent alterations.

Other possible applications:

Acoustic curtains – Lower noise levels and reduce sound transmission, creating a quieter and more controlled indoor space
Thermal curtains – Maintain indoor comfort by reducing heat loss and blocking drafts, supporting better energy efficiency
Room divider curtains – Easily separate spaces while improving privacy and limiting noise between different areas

softy thermal insulation fabric colors - This image is an illustration — Softy thermal insulation fabric colors This image is an illustration

Optimised dimensions for full coverage

This thermal barrier fabric is produced in a stable, consistent width, making it easier to plan and cover larger window or door areas with fewer joins. The structured material allows for more precise fitting, which may support better insulation and a cleaner visual result.

Size details:

Fabric width: approx. 140 cm (±2 cm)
Length: made-to-measure based on your exact requirements

With accurate measurements and proper installation, the curtain can sit closer to the edges, helping to reduce gaps and improve overall thermal performance.

The image below shows the back side of our fabric:

FAQ

Can I return the curtain if it does not fit?
Each curtain is made to individual order, so it is considered a custom product and cannot be returned.

Does installation affect performance?
Yes. Proper coverage with minimal gaps may improve insulation efficiency.

Is this an insulated fabric suitable for year-round use?
It can be used in both winter and summer conditions to support indoor comfort.

Does it completely block heat transfer?
No fabric can fully block it, but a well-fitted heat-insulating fabric may significantly reduce it.

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Softy Silent, Insulated fabrics – Available in Multiple Colors