EditRegion5 We Build Windows Ourselves — Sinan’s Windows
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Sinan's Windows Construction
Custom Window Factory

100% FSC Certified Wood1. 100% FSC Certified Wood
We are the only company on the West Coast that exclusively uses 100% FSC Certified Vertical Grain Douglass Fir as our standard for all custom made windows and doors!
100% FSC Certified Wood2. Recylcling the Sawdust to local horse stables
100% FSC Certified Wood3. Working with Local Vendors/Supplier
All of our glass, wood, and hardware comes from within a 60 miles radius.
100% FSC Certified Wood4. Simulated Divided Lite Technology
Simulated Divided Lites (SDL) is an energy-efficient way to create the look of divided lites. Muntin bars are permanently attached to the exterior glass with a 3M® very high bond (VHB) adhesive system adhered to both sides of the glass. Specifying SDL, achieves the look of an “true divided lite” while providing superior performance.

100% FSC Certified Wood5. Certified Green Building Professional through Build it Green & Certified Green through Alameda County
Sinan's Windows' Affiliations