MATA SOUNDPROOFING FOAM ACOUSTIC SELF-ADHESIVE 30x30x5cm 12 PCS 1m² KOLOR: GREY Thicker base 2 cm provides rigidity of the entire structure and facilitates installation, Easy to install foam, self-adhesive with a layer of strong adhesive, Special high foam shape for 5 cm effectively absorbs high and low frequency sounds, foam eliminates reverb and makes the sound more dynamic and clear, Perfect to soundproofing room, Textured surface protects from noise and perfectly absorbs sound, Dust-free, high-density breathable material, does not deform and is flexible, Attractive appearance allows you to create the perfect composition, Made of polyurethane, Suitable for home and commercial use, Foams will find their application in: recording studios, home theaters, gaming rooms, offices and wherever acoustic control is required, Easy to clean, can be easily washed with water or vacuumed, Made of fireproof and waterproof material! We highly recommend it! Product Specifications: Material: Polyurethane Dimensions: 300 x 300 x 50 mm Thickness: base 2cm, mosaic 3 cm Weight: approx. 70g/szt Kolor: grey Quantity: 12 pieces Amount in m²: 1m² ATTENTION! The marshmallows are vacuum packed, which causes them to be distorted. In order for them to get their proper size and shape, it is necessary to follow the instructions presented below! Instructions for preparing foam for assembly: Method 1: Open vacuum packed package Use a hair dryer (warm mode) by blowing evenly nad the entire surface of the foam for 2-3 minutes until the foam expands and regains its properties The expanded foam should be ventilated for 10 minutes. Heating with a dryer will create an unpleasant odor that can be quickly eliminated after airing Clean the wall of any dust za cloth Put the paper off the back of the foam. Do not touch the adhesive part, as this may affect its viscosity Glue the foam to the wall evenly pressing Method 2: Open vacuum packed package Wait about 24-48 hours for the foam to expand and regain its properties Clean the wall of any dust za cloth Put the paper off the back of the foam Glue the foam to the wall evenly pressing Ideal for use in a recording studio, gamer room or recording room!