Acoustic insulation to airborne noise of downpipe 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 downpipe in the form of a coquilla with plastic clips. Including self-adhesive viscoelastic tape, for sealing joints.
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| Code | NBA020 |
| Category | Tuberias y bajantes |
| Subcategory | |
| Unit | m |
| Resource Type | material |
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No credit card required · Free plan forever · Last updated May 22, 2026
| Last Updated |
| May 22, 2026 |