1. Make sure that the doors are factory-installed, installed or otherwise cause defects, damage, inconveniences and manufacturer and warranty within the factory.

2. If warranty products appear damages, they would be charged the cost of materials and labor costs based on the extent of the damage.

3. The special case of damage would be settled by the two sides negotiation.

4. Product manufacturers have a final explanation of their products.

5. Six years warranty on the whole product, 10 years warranty for German brand hardware, 10 years warranty for Austrian brand glazing and 10 years warranty for the U.S.A. silicon with lifelong service.