Acoustic insulation for airborne noise at downward elbow of 90 mm diameter, made with multi-layer complex, 7 mm thick, 3.7 kg/m² surface mass, formed by a 5 mm thick polyethylene sheet and a 2 mm thick high-density viscoelastic sheet; disposed around the downward elbow in the form of a shell with plastic bridges and reinforcement with a self-adhesive disengaging band, 90 mm wide and 4 mm thick, formed by a high-resistance polyolefin sheet and a 2 mm thick high-density viscoelastic sheet. Including self-adhesive viscoelastic tape for sealing joints.
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| Code | NBA030 |
| Category | Tuberias y bajantes |
| Subcategory | |
| Unit | m |
| Resource Type | material |
| Last Updated | April 21, 2026 |
€11.58 / ud.
€13.06 / m
€19.01 / m
€61.44 / m²
€9.61 / m
€45.20 / m²
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No credit card required · Free plan forever · Last updated April 21, 2026