DER Building manufactures custom aluminum windows for residential, hotel, apartment and commercial projects. Configure casement, sliding, tilt-turn, fixed and thermal-break windows with project-specific glass, finish, hardware and export packing.

DER Building manufactures custom aluminum windows and doors in China for residential, hospitality and commercial projects. Configure thermal-break frames, glazing, hardware, finishes, labels and export packing from drawings or schedules.

Specify AS2047 aluminum windows for Australian residential and commercial projects with DER Building. Review wind, air, water, operating-force, glazing, hardware and documentation requirements before quotation.

Specify NFRC certified aluminum windows for U.S. residential and commercial projects. Compare U-factor, SHGC, VT, thermal breaks, Low-E glazing, opening types, labels and RFQ requirements with DER Building.

Custom window awnings for residential, commercial and project applications. Compare retractable, fixed and exterior shading options, materials, sizing, mounting, operation and RFQ requirements with DER Building.

Specify custom wood aluminum windows for villas, apartments, hotels and architectural projects. Compare wood-aluminum construction, glazing, opening styles, finishes, performance requirements and RFQ details with DER Building.

Custom aluminum clad wood windows for residential, villa, hotel and architectural projects. Compare cladding, wood interiors, glazing, opening styles, finishes, hardware and project specification options with DER Building.

Custom aluminum bifold doors for villas, patios, restaurants, hotels and commercial projects. Configure panel layout, glazing, thermal-break frames, finishes, hardware and export packing with DER Building.