
🔇 Are you soundproofing? Choose ProSilence – our complete and proven concept
ProSilence is our complete system for soundproofing home cinemas, studios and technical rooms. The concept is Sintef-tested and optimized for maximum attenuation – even in the low-frequency range where traditional solutions fall short.
📊 Calculate your material requirements easily with AutoCalc
🪵 Fermacell fiber plaster with 2 trowel edges – for walls and ceilings
Now with a putty edge on the long sides! This variant of Fermacell fiber plasterboard makes it easy to get a smooth and professional result in structures that will later be painted or wallpapered. Perfect for use on both walls and ceilings.
- 2 trowel edges – ideal for visible surfaces
- Extreme screw strength: 30 kg in one screw without plug
- Replaces two layers of plaster – one layer provides 48-50 dB sound reduction
- Fire retardant and moisture resistant – also for wet rooms (C/C300)
- Can be combined with Green Glue for additional low-frequency damping
🎯 Recommended for use in walls and ceilings where the finish is visible and where good sound insulation is required without double layers.
📦 Delivery and logistics
Can be delivered to your home throughout Norway at discounted freight when purchasing 2 pallets (120 plates) or more. Alternatively, you can pick up at our warehouse in Smalvollveien, Alnabru (Oslo).
🛠Installation and accessories

- The boards are trowelled on the long sides with Fermacell joint trowel and reinforcement tape (see accessories).
- Can be sawn or broken with Fermacell rice knife
- Use Green Glue Sealant on ceilings, floors and corners for optimal soundproofing




