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Gustafs / Feltfon / Feltfon Curves
Gustafs / Feltfon / Feltfon Curves

Feltfon Curves

SOUND ABSORBING FELT RIBS featuring linked arched curves

Experience limitless creativity with Feltfon© Curves, allowing you to design interwoven arched patterns, using Feltfon© Linear Rib as a base. Let loose your creativity and experience the beauty of the Capax Quick-Up system, ensuring an impact resistant and simple installation for walls and ceilings. Suitable for installation in areas with high moisture levels such as wet rooms. Tailor your design by varying width, depth, colour, spacing width, or add wooden in-fill strips. Feltfon© Curves is fire-safe without impregnations. Choose from two design variants: quarter circles and semicircles.

TYPE / SOLUTION

Feltfon Vector

APPLICATION

Ceilings, Wall, Wet rooms

Fire Class

B-s1,d0

Acoustic class

A, B, C, D

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Material

Gustafs Acoustex© 9 mm felt represents the next generation of textiles, crafted from a minimum of 50% post-consumer recycled material. This sustainable solution showcases our commitment to reducing environmental impact while maintaining exceptional quality.

Design

Feltfon Curves allowes you to create stunning cross-over rib designs with curved lines. Create your own design pattern using variations of semicircle and quarter circle shapes. With a selection of our many colours, you have a wide range of options to bring your vision to life.

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.

01 CREATE +
01 CREATE

Create your own unique acoustic wall pattern. Here with a combination of Feltfon Linear Rib and Feltfon Curves semicircles.

02 PRODUCTION +
02 PRODUCTION

Cutting edge innovation produced in Sweden.

03 INSTALLATION +
03 INSTALLATION

Gustafs Feltfon© Curves is designed for Gustafs Capax© installation system – a perfect match for ceilings and walls. Simple, quick, sturdy, and demountable.

Acoustics

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

Mix and match

1. Decide upon your design.
2. Choose the colours of your ribs.
3. Decide on a colour for the background felt or choose to leave the spacings open.

Wet rooms

Feltfon can be used in humid environments such as indoor gyms, pool areas and spas. Areas where you often want to eliminate disturbing sounds.

Design Inspiration

01 ACOUSTICS +
01 ACOUSTICS

Improve office acoustics with a sound absorbing wall from Feltfon Curves customized pattern. Felt colour: Wool Grey.

02 WET ENVIRONMENT +
02 WET ENVIRONMENT

Feltfon can be installed in swimming pools and spas, for example, to create a quiet sound atmosphere. Dries quickly and isn’t damaged by water.

03 SOUND DAMPENING +
03 SOUND DAMPENING

Acoustic felt wall with customized pattern. Felt colours: Sand & Clay.

PATTERN C03.01
CURVES DETAIL
PATTERN C01.01
PATTERN C01.01

Explore more products from the Gustafs Feltfon range

FELTFON PIXEL

FELTFON DNA

FELTFON LINEAR RIB

FELTFON DIAMOND

Break away from the linear pattern and unleash your creativity

Feltfon Vector Curves offers unique and distinctive possibilities to create captivating and dynamic wall designs. Create fresh and exciting patterns or use them as an accessory to complement your Feltfon Linear installation. Two designs with endless pattern combination possibilities.

CURVES

Feltfon Vector – Curves

Experience limitless creativity with Feltfon Curves, allowing you to design custom curved patterns using Feltfon Linear Rib as a base. Choose from two variants: Quarter and Semi, each with 3 parallel curves of different radius. The width of the curved rib and the underlying Feltfon Linear ribs is 40, 71 or 102 mm.

Curves Semi

The Curves semi variant creates a 180-degree turn, with the arc crossing 2, 4 or 6 Feltfon Linear ribs.

Curves Quarter

The 1/4 Quarter circle connects to the side of a Feltfon Linear rib, intersecting 1, 2 or 3 Feltfon Linear ribs.

PATTERN C01.01 +
PATTERN C01.01
“Hoops 1”

Wall example 2400 mm wide and 2000 mm high

PATTERN C01.02 +
PATTERN C01.02
“Hoops 2”

Wall example 2400 mm wide and 2000 mm high

PATTERN C.02.01 +
PATTERN C.02.01
“Circle”

Wall example 2400 mm wide and 2000 mm high

PATTERN C02.02 +
PATTERN C02.02
“Expanding”

Wall example 2400 mm wide and 2000 mm high

PATTERN C02.03 +
PATTERN C02.03
“Ice cream”

Wall example 2400 mm wide and 2000 mm high

PATTERN C03.01 +
PATTERN C03.01
“Linked”

Wall example 2400 mm wide and 2000 mm high

PATTERN C03.02 +
PATTERN C03.02
“Aim”

Wall example 2400 mm wide and 2000 mm high

Create unique felt sound absorbing panels

Feltfon Vector is based on the Feltfon Linear Rib dimensions, with the intersecting rib being 10 mm higher. This subtle difference in height enhances the visual impact of your designs. By mixing colours and patterns freely, you can achieve an exciting and personal expression on your wall. The only limit is your creativity.

Models

Feltfon Curves is available in two models; Vector Curves Semi and Vector Curves Quarter.

Spacing

You can choose another colour for the felt backing to create different expressions. Using the Gustafs Quick-Up Capax System, we recommend spacings of 22 mm for Feltfon Curves.

Wooden in-fill strips

The Gustafs wooden in-fill strips are designed to be placed in the spacings between the felt ribs.

DIMENSIONS

Vector Curves Semi

SPACING: 22 mm
DEPTH: 50 mm
A: Linear Length: 600 mm
B: Width

Vector Curves S40

RIB WIDTH: 40 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
S40-2c 2 226 mm 113 mm 713 mm
S40-4c 4 350 mm 175 mm 775 mm
S40-6c 6 474 mm 237 mm 837 mm

Vector Curves S71

RIB WIDTH: 71 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
S71-2c 2 350 mm 175 mm 775 mm
S71-4c 4 536 mm 268 mm 868 mm
S71-6c 6 722 mm 361 mm 961 mm

Vector Curves S102

RIB WIDTH: 102 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
S102-2c 2 474 mm 237 mm 837 mm
S102-4c 4 722 mm 361 mm 961 mm
S102-6c 6 970 mm 485 mm 1085 mm

 

DIMENSIONS

Vector Curves Quarter

SPACING: 22 mm
DEPTH: 50 mm
A: Linear Length: 600 mm

Vector Curves S40

RIB WIDTH: 40 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
Q40-2c 1 124 mm 144 mm 743 mm
Q40-4c 2 186 mm 206 mm 805 mm
Q40-6c 3 248 mm 268 mm 865 mm

Vector Curves S71

RIB WIDTH: 71 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
Q71-2c 1 186 mm 221,5 mm 819,5 mm
Q71-4c 2 279 mm 314,5 mm 912,5 mm
Q71-6c 3 372 mm 407,5 mm 1005,5 mm

Vector Curves S102

RIB WIDTH: 102 mm

MODEL RIBS CROSSED TOTAL WIDTH OUTER RADIUS TOTAL LENGTH
S102-2c 1 248 mm 299 mm 896,5 mm
S102-4c 2 372  mm 423 mm 1020,5 mm
S102-6c 3 496 mm 547 mm 1144,5 mm

 

SPACING

Wooden in-fill strips

Wooden in-fill strips are available in all our veneers.

 

Feltfon Acoustic Felt – Green Acoustics made from rPET

Gustafs Acoustex is a next generation textile crafted from a minimum of 50% recycled PET bottles. The bottles are chipped into flakes and combined with fresh PET material. This innovative process ensures optimal reprocessing of PET, making it an environmentally-friendly choice. Furthermore, Feltfon is a 100% recyclable solution, emphasizing its commitment to sustainability.

KNOWLEDGE HUB / COLOUR PALETTES

01 FELT COLOURS +
01 FELT COLOURS

Available in many colours.

See all colours >>

02 STURDY & SOFT +
02 STURDY & SOFT

With a 9 mm thick felt with a high density of 2 kg/m², Feltfon ribs will survive on walls in all types of public spaces.

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 acoustics

Design something new with acoustic absorption coefficients up to the highest possible class A. A sound investment for the right kind of echo.

 

KNOWLEDGE HUB / ACOUSTICS

 

 

Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 50 mm
APPLICATION SPACING INSULATION αw / NCR
Wall 22 mm Acoustex 9 mm 0,55-D/ 0,80
Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 95 mm
APPLICATION SPACING INSULATION αw / NCR
Wall 22 mm Acoustex 9 mm + 45 mm mineral wool 0,95-A/ 0,95
Acoustic absorption Feltfon Ribs 40 x 40 mm, total depth 250 mm
APPLICATION SPACING INSULATION αw / NCR
Ceiling 22 mm Acoustex 9 mm + air void 201 mm 1,00-A / 0,95
Ceiling 22 mm air void 211 mm 0,60-C / 0,65

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 complies 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 recycled multiple times. Feltfon is produced with 100% fossil free energy.

KNOWLEDGE HUB / SUSTAINABILITY

READ MORE ON GREEN GUSTAFS

01 RECYCLED FELT +
01 RECYCLED FELT

Certified minimum 50% post-consumer rPET, granulated and spun into new Gustafs Acoustex 9.0.

02 RENEWABLE ENERGY +
02 RENEWABLE ENERGY

Producing in Sweden and surrounded by hydro power plants this is the main energy source for our production. The only other two are wind and solar power, adding up to a fantastic 100% renewable energy.

03 ENVIRONMENTAL DECLARATIONS +
03 ENVIRONMENTAL DECLARATIONS

Our products are environmentally declared and have all documentation in place to comply with leading building assessments like BREEAM and LEED.

Details that make the difference

Linear Accessories are unique details to be combined with your wall or ceiling system. Our linear accessories complete your vision and simplifies complicated solutions.

F-Line – linear lighting for Feltfon Linear

Integral linear lighting solution for Gustafs Feltfon© Linear Ceiling System. The lamp housing snaps to the same carrier profile as the Feltfon© ribs. F-Line uses a modern micro prismatic dimming in combination with high-quality LED light sources.

F-Line Spot – spot lighting for Feltfon Linear

Integral spot lighting solution for Gustafs Feltfon© Linear Ceiling System. The lamp track snaps to the same carrier profile as the ribs. Comes with a modern micro prismatic dimming and high-quality LED light sources.

Insulation – Acoustex 9,0 – Sturdy acoustic felt for multiple use

Extremely form stable acoustic backing in a wide range of colours and with fire class B-s1,d0. Can be used as an individual sound absorber or integral as the acoustic insulation layer behind Gustafs Feltfon Linear System for walls or ceilings. Supplied in sheets in various formats. Contains minimum 50% recycled PET bottles and is approved by all international standards regarding indoor climate emissions. Thickness 9,0 mm.

Wooden in-fill strips for Feltfon Linear

Combine the wool look of Feltfon© with beautiful wooden in-fill strips. Available in the following dimensions (depth x width x length): 13 x 23 x 2400, 13 x 54 x 2400 and 13 x 85 x 2400 mm. The wooden in-fill strip leaves 10 mm of visible rib depth in combination with a 40 mm deep Feltfon© rib, 30 mm visible depth in combination with a 60 mm deep rib, etc. Choose from our palette of veneers.

Covers

Varying types of covers and windowsills are needed in almost any interior fitting project. Gustafs will perfectly match the correct specifications and needs for your project, as well as the surface and finish.

Plinths

Plinths are the definite finish of a rib installation, not only regarding a nice design but also concerning the protecting function, for example against wet floor cleaning. Contact us and we will fulfill the specifications of your project.

Installation Feltfon Vector

All Feltfon Vector, Feltfon Linear and Feltfon Blox are installed with the same Capax system which makes it easy to mix different models and create your own designs. The Capax Quick-Up installation system is available for walls and ceilings. The Capax installation system for Feltfon guarantees reliability and a perfect visual result.

INSTALLATION

Easy to install

Capax is our unique aluminium profile installation system that delivers a concealed, reliable, quick, and cost saving installation. The Quick-Up system is user-friendly and available for walls and ceilings. No tools are needed to assemble the interlocking components. Both the wall and ceiling system are demountable, ideal when access to the ancillary systems is required.

WALL INSTALLATION FELTFON

CEILING INSTALLATION FELTFON

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
+

DoP: Yes

FSC®
+

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

READ MORE KNOWLEDGE HUB FSC® >>

And more
+

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

Downloads

CAD
Curves Models 40, 71, 102 | .zip
DOWNLOAD
CAD-FILES
PRODUCT SHEET
Feltfon Curves | .pdf
DOWNLOAD
TECHNICAL DATA SHEET
Technical Data Sheet Feltfon | .pdf
DOWNLOAD
ACOUSTIC VALUES
Gustafs products | .pdf
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