- With simple structure, durable steel materials, it has semi-permanent life.
- Without blockade, it is possible to maintain the waterproof materials.
- Additional rainwater gathering box and periodic cleaning are need.
- With finger and serial structure of finger, it is less influenced by noise and impact.
- It is the structure absorbing expansion by membrane dynamics of waterproof materials.
- The waterproof materials are made of synthetic rubber that has high ozone resistance, cold resistance and durability, so it has excellent durability.
- Cut manufacture, installation make speedy and economical maintenance possible.
- With direct drainage system, the drainage is excellent.