Designer doors from Silber Open doors for eternity One door closes, another one opens - quietly, elegantly and flawlessly. SILBER designer doors impress with their uniqueness and perfection. The name SILBER stands for interior and entrance doors that have been used in high quality buildings for over 150 years. In the designer factory SILBER, fine, high-quality materials are combined with modern technology. The result are design doors to meet exclusive demands that give meaning to foyers.