Brand Independence Statement Felmenon is an independently registered trademark owned and operated by our company.We specialize in the development,sales,and customization of acoustic materials,includi
2025/05/20 admin 24
Learn how acoustic ceilings, wall panels, and partitions contribute to LEED v4.1 credits. Focus on Indoor Environmental Quality (EQ) and Materials & Resources (MR) for green building certification.
2026/04/05 admin 5
Discover how acoustic scrim technology optimizes airflow resistance in metal tiles. Learn the physics of sound absorption, the role of Rayls, and how to select the right fleece for maximum NRC.
2026/04/05 admin 5
Master the science of acoustic privacy in lightweight construction. Learn how to achieve STC 50+ using decoupling, mass layering, and damping techniques for gypsum and MgO board systems.
2026/04/05 admin 6
Can you use metal acoustic ceilings with chilled beams? Explore the technical requirements for air-flow, perforation ratios, and thermal transfer to combine high-end acoustics with radiant cooling systems.
2026/04/01 admin 5
Learn how to read and compare acoustic lab reports. We break down the differences between ASTM C423 and ISO 354 standards, including mounting types, frequency ranges, and the NRC vs. Alpha-w rating systems.
2026/04/01 admin 4
Discover how slotted solid wood panels use Helmholtz resonance and controlled reflection to tune large halls. Learn to balance speech clarity and musical warmth through precise geometric calibration.
2026/04/01 admin 4
Explore the mathematics behind acoustic gypsum. Learn how hole diameter, pitch, and perforation ratios create the Helmholtz Resonance effect to balance interior soundscapes.
2026/04/01 admin 6