Gustafs / Feltfon / Feltfon Amethyst

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Feltfon Amethyst

DIMENSIONAL SHAPED TILES for silent walls

The substantial depth of Feltfon© Amethyst, made from highly permeable felt, results in a super wall absorbent. Feltfon© Amethyst gives you the power to become the architect of stunning acoustic environments. Play around and twist the 3-dimensional tiles in varying angles for amazing visual effects in an endless number of patterns. Being durable, water-resistant and holding a solid B-s1,d0 fire class, you can use the Amethyst solution almost everywhere. Create a professional sound damped space with a cozy atmosphere by replacing Amethyst tiles with square-shaped in-fills made from other materials like wood, leather, or mirrors.

TYPE / SOLUTION

Feltfon Jewel

APPLICATION

Ceilings, Wall, Wet rooms

Fire Class

B-s1,d0

Acoustic class

A, B, C, D

CONTACT

Acoustic excellence

Feltfon Amethyst is designed to enhance your auditory experience and reduce sound. Say goodbye to echoing rooms and hello to a space with improved sound quality, reduced noise, and increased comfort.

Design

Combine different colours and twist the parts as you wish to create your own patterns.

Dimensions >>

Sturdy and safe

Gustafs Feltfon System is made for public spaces. It has B-s1,d0 classification – which means little or no contribution to fire. With a 9 mm thick felt with a high density of 2 kg/m², Feltfon Amethyst will survive on walls in all types of public spaces.

01 DESIGN FREELY +

01 DESIGN FREELY

Mix and match freely and combine the square Amethyst parts as you like.

02 ACOUSTIC EXCELLENCE +

02 ACOUSTIC EXCELLENCE

Feltfon Amethyst is designed to enhance your auditory experience and reduce sound. Improved sound quality, reduced noise, and increased comfort.

03 WE LOVE WOOD +

03 WE LOVE WOOD

Add an extra touch of elegance by incorporating wooden panels in your custom-made acoustic wall.

Recycled material

Gustafs Acoustex© 9 mm is a next generation textile made from minimum 50% post-consumer recycled material.

Wet & Humid-Resistant

Feltfon Amethyst is engineered to resist moisture, making it suitable for sounddamping in areas with higher humidity levels. Whether it’s a bathroom, spa, or any space prone to dampness, you can confidently incorporate Feltfon Amethyst for a seamless and stylish acoustic solution.

Versatile applications

Feltfon Amethyst is perfect for a wide range of settings, including homes, offices, studios, restaurants, and more. Whether you’re looking to create a cozy atmosphere or a professional workspace, Feltfon Amethyst will help you achieve it.

INSPIRATION

Mix and match

Explore different installation directions and colours to create creative patterns for a bespoke acoustic environment.

Patterns Amethyst

More products from the Feltfon range

Style meets acoustics

Feltfon Amethyst is available in eleven standard felt colours, giving you the opportunity to match your existing decor or create a bold contrast that’s impossible to ignore. Whether you prefer a sleek monochromatic look or a burst of contrast, we’ve got you covered. But that’s not all – you can also incorporate wooden or mirror panels to your surface.

COMBINATIONS

Express your style

Choose from many colours:
1. Anthracite, 2. Dark grey, 3. Wool grey, 4. Dirty green, 5. Sand, 6. Wet sand, 7. Clay, 8. Old clay, 9. Baked clay, 10. Jade, 0. White.
Or why not combine with a wooden panel of your choice?

Contact us for more information and a personalized consultation. Your space, your style, your acoustics – with Feltfon Amethyst, the possibilities are endless.

Take a look at our patterns below ↓

01 DIRECTIONS +

01 DIRECTIONS

You can install the Amethyst pieces in any direction to create unique patterns regarding dimension and colour.

INSPIRATION 01 +

INSPIRATION 01

Create your pattern. Pieces in different directions. Colours: Wet Sand and Baked Clay

INSPIRATION 02 +

INSPIRATION 02

Create your pattern. Colours: Wet Sand and Sand.

INSPIRATION 03 +

INSPIRATION 03

Create your pattern. Colours: Sand, Dirty Green and Anthracite.

INSPIRATION 04 +

INSPIRATION 04

Create your pattern. Colours: Wool Grey, Dark Grey and Anthracite.

INSPIRATION 05 +

INSPIRATION 05

Create your pattern. Colours: Wool Grey and Dark Grey.

INSPIRATION 06 +

INSPIRATION 06

Create your pattern. Colours: Wool Grey and Dark Grey.

Unleash your creativity

Feltfon Amethyst offers a unique and versatile solution to your acoustic needs. These three-dimensional acoustic squares are more than just functional; they’re a statement of your style and sophistication.

STANDARD

The Feltfon Amethyst ia a three-dimensional square with the following dimensions.

WIDTH A: 322 mm
DIAGONAL B: 455 mm
DEPTH C: 85 mm
STACKING DIAGONAL SD: 2 Pieces, 683 mm

For straight edges use the Amethyst half shape.

Contact us for more information and a personalized consultation. Your space, your style, your acoustics – with Feltfon Amethyst, the possibilities are endless.

Acoustex Felt – Green Acoustics made from rPET

A minimum of 50% recycled PET bottles, chipped into flakes and mixed with fresh PET material, are spun into Gustafs Acoustex felt. PET is very suitable to be re-processed and Feltfon is a 100% recyclable solution.

KNOWLEDGE HUB / COLOUR PALETTES

01 FELT COLOURS +

01 FELT COLOURS

1. Anthracite, 2. Dark Grey, 3. Wool Grey, 4. Sand, 5. Wet sand, 6. Dirty Green 7. Old Clay, 8. Mocca, 9. Rose, 10. Jade, 0. White.

See all colours >>

02 THE PERFECT LOOP +

02 THE PERFECT LOOP

Our Acoustex rPET felt material can be re-processed repeatedly. Feltfon can be de- and re-mounted multiple times – for circular use.

03 THE PERFECT LOOP +

03 THE PERFECT LOOP

Our Acoustex rPET felt material can be re-processed repeatedly. Feltfon ribs can be de- and re-mounted multiple times – for circular use.

Gustafs Feltfon Jewel acoustics

9 mm of felt thickness means 9 mm of air permeable material. Together with the hollow core, Feltfon Amethyst is a super absorber up to class A.

Due to the oversized depth and large air void, all the Jewel designs have outstanding acoustic properties when it comes to absorption and shortening reverberation times. Jewels sound beautiful.

KNOWLEDGE HUB / ACOUSTICS

Thanks to its expansive air chamber, Feltfon Jewel products deliver breathtaking acoustics.

Feltfon Jewel – calculated absorption class

APPLICATION
Wall	No insulation, class B	45 mm insulation, class A
Ceiling	No insulation, class B	200 mm air void, class A

Fire safety

Rest easy knowing that Feltfon is fire-safe without the need for impregnations, prioritizing safety without compromising style.

Reaction to fire – classifications Gustafs Feltfon

PRODUCT	REACTION TO FIRE
Feltfon Acoustex	B-s1,d0

A SAFE CHOICE +

A SAFE CHOICE

Gustafs Feltfon System is specifically designed for public spaces, prioritizing safety and peace of mind. With its fire classification, B-s1,d0, this system makes little to no contribution to fire, ensuring a secure environment for all.

With our low emission Acoustex, you can breathe out.
And everyone else can breathe in.

Free from fire-retardants, added formaldehyde or isocyanate binders, the Acoustex material in Feltfon guarantees extremely low TVOC levels.

KNOWLEDGE HUB / EMISSIONS

Feltfon compyies with the following building certifications

	TVOC required	TVOC result	Formaldehyde required	Formaldehyde result
BREEAM	≤ 0,3 (mg/m³)	0,01 (mg/m³)	≤ 0,01 (mg/m³)	0,005 (mg/m³)
LEED none U.S.	≤ 1,0 (mg/m³)	0,01 (mg/m³)	< 0,06 (mg/m²h)	0,001 (mg/m²h)
BVB	< 0,2 (mg/m²h)	0,01 (mg/m²h)	< 0,05 (mg/m²h)	0,002 (mg/m²h)
M1	< 0,2 (mg/m²h)	0,01 (mg/m²h)	< 0,05 (mg/m²h)	0,001 (mg/m²h)
Blue Angel	≤ 0,3 (mg/m³)	0,01 (mg/m³)	≤ 0,06 (mg/m³)	0,005 (mg/m³)

More Building Certifications >>

Green Acoustics

Sustainability is a fundamental part of our core and our target with Feltfon was to create a sustainable product that could match the good environmental credentials of all our other products. Feltfon is made from recycled PET bottles and can be re-cycled multiple times. Feltfon is produced with 100% fossil free energy.

KNOWLEDGE HUB / SUSTAINABILITY

Installation Feltfon Jewel

The dimensional tile Amethyst can be installed on walls or ceilings with completely hidden screws, ensuring a fully demountable design.
Alternatively, nails or glue can be used for installation.

Simple, flexible and hidden installation.

Avoid devalue engineering of your design

Gustafs has comprehensive, accredited test data for a wide variety of criteria such as fire, acoustics, emissions and many others. We tick all the boxes to comply your project with todays modern building standards. However, the following documents are not available for direct downloading. Please send a request or contact us or our country representatives for more information.

SEND REQUEST FOR CERTIFICATIONS

Available certifications for Feltfon Acoustex 9,0

Fire

Reaction to Fire: B-s1,d0

Acoustics

Configurations possible to achieve absorption class A, C or D. NRC: 0,60, 0,80, 0,95.

Environmental performance certification program for buildings

BREEAM
LEED
BVB
Svanen (Nordic Eco)
Sunda Hus

Emissions

Class E1 and M1. Approved for BREEAM International / LEED v4.1 / Svanen / Byggvarubedömningen / Sunda Hus / Blue Angel / AgBB / Belgian VOC / French VOC.

Declaration of Performance

Yes

FSC®

The wooden pieces available with FSC® (Forest Stewardship Council®) certified wood.
Gustafs FSC® certificate code is: SAI-COC-010919

And more

Added Urea formaldehyde: No
Isocyanate binders: No
Life Time:> 50 years
Recycled content>50% Post Consumer