FIELD: construction.
SUBSTANCE: invention relates to the sound-absorbing building panels. Sound-absorbing building panel and method of its fabrication is described. Options for implementation of this panel include porous nonwoven web, coating applied on the web, main mat and adhesive substance, applied on the primary mat or web in discontinuous form, such as the form of drops. Options for implementation of the production method include the following steps: making holes in the main mat, applying adhesive substance on the main mat in discontinuous form, laminating web on the main mat and applying the coating on the web surface.
EFFECT: invention permits to improve the sound-absorbing properties of the panel and increase its resistance to sagging.
9 cl, 1 tbl, 3 dwg
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