Tecsound 100 acoustic membrane is a high density, visco elastic, polymer-based, asphalt-free, synthetic soundproofing layer, that offers excellent airborne sound insulation in different building elements. It has a reinforcing scrim on one side to improve the tear strength of the membrane and at the same time provide a protective finish. Tecsound 100 weighs 10kg per m² at only 5mm thickness. It is also available in a 5kg per m² version and with a self adhesive backing. Tecsound 100 can be used on walls and floors.
On floors, due to it’s thickness of only 5mm – it can be laid on top of the sub floor to add additional soundproofing mass and then the floor finish is placed top. An even more effective method of using Tecsound 100 is to sandwich it between two layers of OSB or Plywood. In doing that the visco elastic properties of Tecsound are brought to the fore and further improve the airborne sound insulation of the floor.
| Description | Unit | Tecsound 50 | Tecsound100 |
| Nominal Thickness | mm | 2.5 | 5 |
| Length | mm | 6000 | 4000 |
| Width | mm | 1220 | 1200 |
| Overall Superficial Mass | kg/m² | 5.0 | 10 |
| Density | kg/m³ | 2000 | 2000 |
| Compressive Strength | kg/m² | 4.84 | 4.84 |
| Tensile strength | N/cm2 | 30 | 30 |
| Vapour Water Resistance Factor | µ ≥ 4.15 x 104 | µ ≥ 4.15 x 104 | |
| Fire Resistance | Euroclass B, s2, d0 (Class 0) | ||
| Airborne Sound Insulation | dB | 25.2 | 31.2 |
Substrate: Tecsound lends itself to all types of normal building substrates (renderings, gypsum board, metal, DM, plastic materials). The substrate must be even, smooth, clean and dry. It must also be free from elements that could damage the membrane. If the rendering is old, its condition must be checked to avoid adhesion problems between the Tecsound sheet and the rendering.
Installation of the membrane: When using on a floor it should be loose laid on the floor surface with joints butted together tightly. Prior to installing on a vertical surface membrane, an adhesive should be applied according to the instructions of the adhesive manufacturer before bonding the two surfaces. Pressure must be exerted on all the points to ensure correct adherence. It can also be mechanically fastened. The number of fixings will depend on the product, the support and the system where the membrane will be applied.
Installation of the membrane on metal decks: Extend the roll over the substrate, keeping the reinforcement face up so it protects the membrane. The membrane must be applied in such a way that the length of the roll is perpendicular to the direction of the deck profile. The membrane must be made to follow the profile of the metal support at all times, ensuring that there is no formation of air pockets. The thermal insulation boards are then installed and mechanically fastened.
Laps: Overlap 5 cm both vertically and horizontally. Care must be taken to always seal the laps correctly, as small openings can reduce the level of acoustic insulation required.
Yield: 1 m2 of membrane covers approximately 0.90 m2 of surface area, including overlaps.
