The Rumor Block kit in Normal configuration can rely on the insulating performance of the polyurethane foam coating present inside the boxed elements while the tube is not provided with an inner coating.
The RUMOR BLOCK sound-absorbing devices , made of plastic material, contain within them a polyurethane foam coating that is flexible, non-combustible, water-repellent and that does not disperse the fibers and does not pulverize.



The RUMOR BLOCK boxed silencers are available in different types with air passage of 100 cm2 and all inspected: STRUCTURE models characterized by smaller dimensions available in commercial and noise reduction values Dn,e,w from 49.3 dB to 53,9 dB are made in the exclusive 120 mm thickness, designed to not cut the thermal and acoustic insulation inserted in the wall. The boxed models are equipped on the inner side with a plaster mesh to facilitate the gripping of the plaster and to avoid the formation of cracks.
| Code | Type | Acoustic Abatement | Measurements | Air Pass |
|---|---|---|---|---|
| P200001535 | KIT RBN 15/35 | Dn,e,w = 53,9 dB (certificato) | 290X350X150 | cm2 100 |
| P200001229 | KIT RBN 12/29 | Dn,e,w = 50 dB (certificato) | 290X350X120 | cm2 100 |
| P200001515 | KIT RBN 15/15 | Dn,e,w = 49,6 dB (certificato) | 370x150x150 | cm2 100 |
| P200001220 | KIT RBN 12/20 | Dn,e,w = 49,3 dB (certificato) | 370x200x120 | cm2 100 |