Troldtekt vs Sonablock: Wood Wool Acoustic Panel Comparison
Troldtekt and Sonablock are both wood wool cement board (WWCB) acoustic panels: long-strand spruce wood wool bound with Portland cement, used for acoustic ceilings and walls in schools, offices, sports halls and public buildings. If you are weighing one against the other, here is an honest, like-for-like comparison of what actually matters at specification stage.
At a glance
| Troldtekt | Sonablock | |
|---|---|---|
| Material | WWCB (spruce + cement) | WWCB (spruce + Portland cement) |
| Fire class (EN 13501-1) | B-s1,d0 (typical) | B-s1,d0 |
| Acoustic αw | up to ~0.85 (config dependent) | 0.70 to 0.85 |
| Thicknesses | multiple | 15 and 25 mm (35 mm on request) |
| Certifications | CE, EPD, PEFC/FSC | CE, EPD (EPD-IES-0031288), PEFC (BMCERT-PEFC-COC-00175) |
| Made in | Denmark | Latvia (Stiga RM) |
| Online pricing | mostly via quote | transparent per-panel + project calculator |
Troldtekt figures are indicative of the product class; always confirm against the manufacturer's current datasheet for the exact panel you are comparing.
Acoustics
Both are open-fibre WWCB, so they absorb mid and high frequencies well. Real-world absorption depends far more on mounting and air gap than on brand: a 25 to 50 mm cavity behind either panel materially increases low-frequency absorption. Sonablock publishes αw 0.70 to 0.85 across mounting configurations.
Fire and certification
Both reach Class B-s1,d0 under EN 13501-1 in their standard form, suitable for escape routes and public buildings. Both carry CE, an EPD and PEFC chain of custody. For specification, the documentation pack matters more than the logo: Sonablock supplies CE, EPD (EPD-IES-0031288), fire and acoustic certificates on request.
Sourcing and price
The biggest practical difference is commercial. Troldtekt is typically specified through distributors and project quotes. Sonablock, via Wall Panels Pro, shows transparent per-panel pricing online, offers a project calculator to size an order yourself, ships across the EU on pallets and arranges FCL/LCL container freight worldwide. Container-load orders are project-priced, below standard retail per square metre.
Which should you choose?
If a project already specifies Troldtekt by name and the client requires that exact brand, stay with it. If you need equivalent WWCB performance with transparent pricing, self-service sizing and fast EU delivery, Sonablock is a direct, like-for-like alternative. Match thickness, fire class and αw to your spec and request samples before ordering.
Next steps
Use the Sonablock project calculator, explore the Sonablock range, or contact us for samples, documentation and project pricing.