Frequently Asked Questions
Everything you need to know about Re-Sound acoustic panels — from the basics of room acoustics to circular take-back.
- Phone booths and meeting pods
- rPET panels
- rWood panels
- Acoustics, materials and sustainability
- Ordering, prices and installation
Phone booths and meeting pods
How much sound does an office phone booth block?
Solo Flex reduces speech level by approximately 24 dB(A) according to ISO 23351-1, which places it in Class C: a conversation outside the booth sounds like distant murmuring inside. Modular XL achieves 25.9 dB(A), also Class C.
What is the difference between a phone booth and a meeting pod?
The main difference is size: a phone booth is designed for one person, while a meeting pod is designed for two or more people. Most meeting pods seat two or four people. With our modular version, a meeting pod can be extended to seat as many people as you need.
How much does an office phone booth cost?
The Solo Flex office phone booth starts from € 2 740 excl. VAT without installation, or € 3 605 excl. VAT including installation. The Duo meeting pod starts from € 7 615 excl. VAT. Modular XL starts from € 15 000 excl. VAT without installation, or € 17 990 excl. VAT including installation, plus € 7 264 including installation per extra 90 cm element. The largest Modular XL built so far seats 20 people. Prices exclude transport outside Belgium.
What does ISO 23351-1 Class A, B or C mean?
ISO 23351-1 measures how much a booth reduces the level of speech between inside and outside, and groups the result into classes: A+ from 33 dB, A from 30 dB, B from 27 dB, C from 24 dB and D from 21 dB. Solo Flex (approximately 24 dB(A)) and Modular XL (25.9 dB(A)) are both Class C. In practice, Class C turns a normal conversation into distant murmuring: clearly quieter, but not inaudible.
Does a phone booth need ventilation, and how loud is it?
Yes: a phone booth is a closed space, so ventilation is essential for good air quality. Every Re-Sound booth and meeting pod is ventilated. Electrical models use our silent EC-fan system, which moves 4.6 m³ of air per minute in the Solo Flex.
Can a booth be moved to another floor or office?
Yes. Every booth uses a flat-pack construction, so it can be demounted and rebuilt on another floor or in another office. Taking a booth apart and rebuilding it is quick and straightforward.
Can we try a booth before we order?
Yes. You are welcome to test every model in our showroom in Beveren-Waas (Belgium) before you order; visits are by appointment, Monday to Friday 08:00–16:30.
How long does installation take, and who does it?
Re-Sound's own installers place your booth: a call booth takes around 60 minutes, a meeting pod around two hours and a Modular XL between two and six hours. Alternatively, the Solo Flex can be self-assembled: two people need less than three hours.
Is the booth wheelchair accessible?
Not as standard: none of our booths is wheelchair accessible in its standard configuration. On request, we can modify a booth to make it wheelchair accessible. Contact us to discuss your requirements.
What is the warranty on a booth?
Every booth comes with a 5-year warranty on the structural frame and body, and a 2-year warranty on electronic components and other wear parts.
What happens to a booth at the end of its life?
A booth that is no longer needed can be resold to another party or dismantled for recycling. Because it is built as a flat-pack kit, it can be taken apart into its separate materials, each of which is recyclable. Our acoustic panels are taken back free of charge in Belgium, the Netherlands, France, Germany and Luxembourg.
rPET panels
Is PET felt fire-safe?
Yes. Our rPET panels are classified B-s1,d0 according to EN 13501-1, which makes them suitable for both private homes and public buildings. Check the exact requirement for your project with your acoustician or fire-safety adviser.
Can I cut and paint rPET panels?
Yes, rPET panels can be both cut and painted. Cut them with a knife (even a ceramic kitchen knife), a circular saw, a panel saw or an angle grinder fitted with a metal-cutting blade. Re-Sound UV-prints rPET panels in-house, so you can order custom graphics, or you can paint the panels yourself and use them as a canvas for your own acoustic artwork.
How much sound does a 24 mm PET panel absorb?
A 24 mm rPET panel has a weighted sound absorption coefficient αw of 0.85, which corresponds to absorption class B according to ISO 11654. Mounting the panel with an air gap behind it improves absorption at low frequencies. Check the exact requirement for your room with your acoustician.
rWood panels
Micro-perforated or grooved wood panels: which absorbs more?
Without a backing absorber, grooved rWood panels absorb more than micro-perforated ones, because the felt between the grooves adds absorption. With a backing absorber behind the panel, such as acoustic felt, an rPET panel or mineral wool (rock wool or glass wool), both systems reach the same absorption values.
Are the veneers FSC-certified?
Yes. Re-Sound uses only FSC-certified veneers for its rWood panels. This applies to the whole rWood range, both grooved and micro-perforated.
Acoustics, materials and sustainability
Where are Re-Sound panels manufactured?
Re-Sound panels are made in our own plants in Beveren-Waas (Belgium) and Częstochowa (Poland). The Interior, Solid and Divide textile panels are produced in Beveren-Waas; the rWood and rPET panels, as well as the phone booths, are produced in Częstochowa. All raw materials are sourced within the European Union.
What is the difference between sound absorption and sound insulation?
Sound absorption and sound insulation solve different problems. Absorption reduces echo and reverberation inside a room by converting sound-wave energy into heat as it strikes a soft, porous material — that's what every Re-Sound panel does. Insulation prevents sound from passing through a wall or floor into the next room, which requires dense, sealed mass construction. Re-Sound panels improve the acoustics of the space you are in; they are not a soundproofing solution between rooms.
What is reverberation and why does it matter?
Reverberation is the persistence of sound in a room after the original source has stopped — the "live" quality of a hard-surfaced room. It is measured as RT60: the time it takes a sound to fall by 60 decibels. High reverberation makes speech difficult to understand, raises ambient noise levels, and increases listener fatigue. In offices, restaurants, schools and healthcare environments the recommended RT60 is typically between 0.4 and 0.8 seconds. Re-Sound panels reduce reverberation by absorbing mid- and high-frequency sound — the range where human speech lives.
What influences the acoustics of a room?
Three things drive room acoustics: the volume of the space, the materials on its surfaces, and the function it serves. Hard, smooth surfaces (concrete, glass, tile, parquet) reflect sound and create echo. Soft, porous surfaces (textiles, recycled-fibre panels, carpet) absorb it. The larger and harder a space is, the more absorptive surface you need to bring reverberation down to a comfortable level. Re-Sound panels are designed to add that absorptive surface without adding bulk.
What do αw, NRC, and Class A mean on the spec sheets?
They are different ways of expressing the same property: how much sound a material absorbs. αw is the weighted sound absorption coefficient defined by ISO 11654 — a single number from 0 (perfect reflector) to 1.0 (perfect absorber). NRC (Noise Reduction Coefficient, ASTM C423) is the American equivalent, also 0 to 1.0. Class A is the top absorption class in ISO 11654, awarded to materials with αw ≥ 0.9. Several Re-Sound products are Class A rated: the higher the αw, the more absorptive the panel.
How many panels do I need for my space?
As a rule of thumb, plan for absorptive surface equivalent to about 20-30% of the floor area in a typical office, meeting room or restaurant. So a 30 m² room will benefit from roughly 6-9 m² of acoustic panels. The exact figure depends on existing surfaces, ceiling height, and the use case — for a more precise number we are happy to run a Sabine calculation based on your floor plan. Send us the dimensions and we will come back with a recommendation.
Where can Re-Sound panels be used?
Re-Sound panels are designed for B2B interior environments: offices, meeting rooms, open-plan workspaces, lobbies and reception areas, restaurants, hotels, schools and universities, healthcare facilities, libraries, and cultural spaces. They can be wall-mounted, ceiling-mounted or freestanding (Divide), and the wood-veneer ranges (rWood) are suitable for premium, design-led architectural projects where appearance matters as much as performance.
What is the difference between rWood, rPET and the textile range?
They are three different material families serving different design intents. The textile range (Interior, Solid, Divide) is made from 100% recycled textile fibres with a fabric cover — soft, warm, available in multiple colours, made in Belgium. The rPET range (Panel, Groove, Flex Groove) is made from 100% recycled PET bottles, OEKO-TEX® certified, and can be processed like MDF (cut, mill, paint); ideal for bold colours and custom installations. The rWood range (Groove, Perf, Micro, Panel) combines FSC-certified wood veneer with a recycled-fibre core, giving a premium architectural finish in 8+ wood species; manufactured in Europe.
What fire safety classifications do Re-Sound panels carry?
Fire classification varies by product line. The rPET range is certified B-s1,d0 to EN 13501-1 — suitable for most commercial and public-building applications. The rWood range carries classifications up to B-s2,d0 depending on finish, and the micro-perforated rWood Micro reaches the highest fire safety rating in our catalog. Each product page lists the exact certification, and the test certificates are available as PDF downloads after a quick contact form. For specific project compliance requirements get in touch with the exact classification you need.
Can I order samples?
Yes — samples are free for qualified B2B requests. Use the contact form on any product page to request samples; specify which colours, finishes or veneers you would like to see. Sample kits are typically shipped within 5 working days within the EU. For larger projects we can also arrange a showroom visit or send a project consultant on site.
What does "circular" mean at Re-Sound?
Circular at Re-Sound means three things, designed in from the start. First, inputs: we use recycled materials wherever the acoustic performance allows it — 100% recycled textiles in the Interior/Solid/Divide range, 100% recycled PET in the rPET range, and a recycled-fibre core under the FSC-certified veneer of the rWood range. Second, end of life: every Re-Sound panel can be returned to us through our free take-back service, and the materials are reprocessed into new panels or new raw material rather than going to landfill. Third, design: connections (magnetic, mechanical, hook systems) are reversible so panels can be removed without destruction, allowing reconfiguration during the building's life.
How does the take-back program work?
At end of life — when a building is being refurbished or the panels are being replaced — Re-Sound will collect the panels from your site, free of charge within Belgium and at logistics cost in the rest of the EU. We then process them back into raw material: textile panels are shredded and re-spun into new fibre; rPET panels are reground and re-pressed; rWood cores are separated from the veneer and reused. To initiate a return, contact us with the original delivery reference and approximate volume.
What is the recycled content of each product line?
Recycled content varies by product family. The textile range (Interior, Solid, Divide) is made from recycled textile fibres with high recycled content. The rPET range uses 100% post-consumer recycled PET (the actual bottle-equivalent count varies by panel size — roughly 60 bottles per standard Groove panel). The rWood range uses a high recycled-fibre core with FSC-certified veneer on the visible face. Detailed material breakdowns and EPD documentation are available on each product page and on request.
Ordering, prices and installation
What are typical lead times?
Standard catalog items ship within 2-3 weeks from order confirmation across the EU. Custom sizes, custom colours, or large project quantities typically run 4-6 weeks. For projects on a deadline, contact us with the timeline and we will confirm what is achievable before order placement.
How do I request a quote?
Use the contact form on any product page, or the general contact form, with: the product line you are interested in, approximate quantities or floor plan, and your project timeline. We will respond within one working day with a tailored quote, sample arrangement, and a calculation of expected acoustic improvement. For larger projects we can attend a site visit or briefing call.