Acoustic Commission FAQ - Frequently Asked Questions

AC FAQ-1 Coating or painting of absorbing surfaces

Question:
Is it possible to paint contaminated rough acoustic plaster or an absorbing ceiling without changing the
effect, namely the absorptivity?

Download PDF information: faq-a1-coating-or-paintin-of-absorbing-surfaces-.pdf

AC FAQ-2 Execution of a Facade-junction / Facade-joint

Question:
How shall a facade-joint be executed to ensure that the sound insulation of the entire wall is not
deteriorating? What needs to be observed, when selecting and applying a façade-joint?

Download PDF information: faq-a2-execution-of-a-facade-junction-.pdf

AC FAQ-3 External thermal insulation composite system - outside

Question:
How does an external thermal insulation composite system (ETICS) determine or change the
transmission loss of an external wall? Which solutions do exist and what needs to be paid attention to?

Download PDF information: faq-a3-external-thermal-insulation-composite-system.pdf

AC FAQ-4 Thermal insulation composite system (TICS) - internally

Question:
How does an internally mounted thermal insulation composite system determine or change the
transmission loss of an external wall and of internal walls or ceilings?

Download PDF information: faq-a4-thermal-insulation-composite-system-internally.pdf

AC FAQ-5 Sliding ceiling junction

Question:
How can I perform a sliding ceiling junction without decisively weakening the transmission loss of the
partition wall? Which mounting errors can be made?

Download PDF information: faq-a5-sliding-ceiling-junction.pdf

AC FAQ-6 Protection by a screen

Question:
How effective is a screen to protect people in higher buildings

Download PDF information: faq_6.pdf

AC FAQ-7 Absorbent material in a screen

Question:
Is it important to have absorbent material in a screen?

Download PDF information: faq_7.pdf

AC FAQ-8 Sound pressure level reduction in semi-reverberant surroundings

Question:
How effective is a screen in a semi-reverberant surrounding?

Download PDF information: faq_a8_sound_pressure_reduction.pdf

AC FAQ-14a Industrial Acoustic Pipe Insulation

Question:
What are the international standards and guidelines to determine the noise insulation system of pipes?
And what is approximately the sound reduction which can be achieved?

Download PDF information: faq_14.a.pdf

AC FAQ-14b Industrial Acoustic Pipe Insulation

Question:
Is thermal pipe insulation also acoustic pipe insulation?

Download PDF information: faq_14.b.pdf

AC FAQ-14c Industrial Acoustic Pipe Insulation

Question:
Can distance and support rings to support the cladding be used for acoustic pipe insulation?

Download PDF information: faq_14.c.pdf