A damping base used for installations with increased requirements related to acoustic parameters, as a supporting element for roof fans, roof launchers or air intakes. It is suitable for both flat and pitched roofs.

properties

• made of galvanized steel sheet
• material absorbing sound resistant to abrasion up to 20 m / s
• class of execution N (according to PN-B-03434)
• tightness class A (according to PN-B-76001)
• sound attenuation at 250 Hz on average 8 dB
• standard rollover size 100 mm
• standard height 300 mm