Wiradoor by PT. Sumatera Timberindo Industry

Wiradoor by PT. Sumatera Timberindo Industry is a wooden door manufacturing specialist based in Medan, North Sumatera with capacity of 25,000 doors per month, specializing in Internal Doors, External Doors, French Doors, Bi-Fold Doors, Fire Doors, Glazed Doors, and other Door Accessories (Finishing, Door Frames, Architraves, Transoms). We have been exporting high quality products to United Kingdom, Netherlands, Australia, Caribbean, Thailand, India and South Africa since 1996. 

STI also caters to the domestic market since 2010 through our brand Wiradoor, supplying to hundreds of landed residences, hotels, schools, hospitals, and apartments across the nation.

Our raw materials are FSC and SVLK-FLEGT Certified and we are ISO 9001:2015 QMS Certified since 2012. Since 2015, our flush and paneled doors have also earned BM Trada FD30 Global Assessment from UK’s leading Elements Group.