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| METALS | |
| Aluminium sheet / bands | 3.1.01 |
| Aluminized steel sheet Type 2 & Type 1 | 3.1.02 |
| Aluzinc steel sheet | 3.1.03 |
| Continuous hot dip (Sendzimir) galvanized steel sheet | 3.1.04 |
| Stainless steel sheet | 3.1.05 |
| FLEXIBLE MATERIALS | |
| Weather resistant ethylvinyl acetate-based mastic | 3.2.01 |
| Weather resistant latex based, vapour barrier mastic | 3.2.02 |
| Weather resistant elastomer based vapour barrier mastic | 3.2.03 |
| Weather resistant bitumen based vapour barrier / cell filler mastic | 3.2.04 |
| Contact adhesive | 3.2.05 |
| 2-Component adhesive | 3.2.06 |
| Cancelled | 3.2.07 |
| Vapour stop sealer | 3.2.08 |
| Vapour stop 2-component sealer | 3.2.09 |
| Weather resistant UV-curing glass fibre reinforced polyester (GRP) | 3.2.11 |
| Vapour barrier mastic for CG, polymer based | 3.2.12 |
| Flexible elastomeric membrane | 3.2.13 |
| TAPES/FOILS | |
| Aluminium tape | 3.3.01 |
| Bitumen tape | 3.3.02 |
| Cancelled | 3.3.03 |
| Petrolatum tape | 3.3.04 |
| Vinyl tape / foil | 3.3.05 |
| Butyl rubber tape /foil | 3.3.06 |
| Vapour barrier multiplex foil of aluminium / polyester | 3.3.10 |