Vapor check valve with air tightness, impermeable to rainwater, made of polypropylene, with reinforcement, 0.40 mm thickness and 121 g/m², 30 m air equivalent thickness against water vapor diffusion, according to UNE-EN 1931, air permeability 0 m³/h·m² at 50 Pa, Euroclass E fire reaction, according to UNE-EN 13501-1.
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| Code | NEF045 |
| Category | Fachadas y medianerias |
| Subcategory | |
| Unit | m² |
| Resource Type | machinery |
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No credit card required · Free plan forever · Last updated May 21, 2026
| Last Updated |
| May 21, 2026 |