Grandura Windows and doors are your entryway to elegance with their distinctive detailing and uncompromising quality that begins with the finest vinyl frames and sashes, premium components beautifully crafted and designed to provide optimum comfort, strength and energy efficiency.

Grandura Windows offer:

  • Quality Construction
  • Advanced Technology
  • Maintenance-Free Operation
  • Lifetime Limited Warranty
  • Energy Saving Thermal Protection


Careful consideration has gone into every exquisite detail of a Grandura window. Homeowners will appreciate its components and features, which culminate in a design offering superior strength, style and insulation.

Grandura windows and doors undergo stringent testing procedures to ensure they meet the industry’s highest performance standards.           

Grandura windows and doors are tested to the advanced AAMA Gold Label Certification Program. The Gold Certification is AAMA's highest level of testing with windows and doors being tested for thermal performance as well as air, water and structural integrity.