PET Aluminium Butyl Waterproof Tape
1. PET Foil Barrier Brief
A hand-tearable foil-faced butyl sealant for weatherproof construction joints, roofs, pipes, air conditioners, marine and automotive assemblies.
2. Construction Record
| Layer structure | Butyl sealant, PET and aluminium |
|---|---|
| Liner | White or brown paper |
| Application temperature | 5–50°C |
| Service statement | -40 to 90°C |
| Duration claim | More than 20 years without cited method |
| Primary works | Roofs, tunnels, steel structures, PC board and vehicle assembly |
3. Civil Joint Uses
A hand-tearable foil-faced butyl sealant for weatherproof construction joints, roofs, pipes, air conditioners, marine and automotive assemblies.
4. Laminate Control
PET/foil lamination protects the non-curing butyl layer. Controlled coating and liner release support accurate dosage with less waste.
5. Life-Claim Review
Require evidence before repeating the 20-year claim. Test displacement accommodation, UV, chemical resistance and waterproofing on the actual joint.
6. Waterproofing Inputs
State construction detail, dimensions, finish, liner, substrate and exposure; clarify shelf life separately from service life.
7. Project Questions
aluminium-foil-butyl-waterproof-tape baseline
Layer structure: Butyl sealant, PET and aluminium.
aluminium-foil-butyl-waterproof-tape release check
Require evidence before repeating the 20-year claim. Test displacement accommodation, UV, chemical resistance and waterproofing on the actual joint.
8. Life-Term Trend
Specification teams increasingly separate storage life, design life and tested ageing evidence.
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