A89 – Sliding doors Efficient Construction with Uw factor capability of 0.14 ??? A89 aluminum profile series has been designed to offer outstanding insulation properties. This profile also supports a great OITC rating. The system range fits perfectly with our curtain wall products and is perfect for installation in both residential and commercial buildings. #homeimprovements #newhouse #buildingproducts #windowsanddoors #ecowindowsusa #affordablehousing #buildingmaterials #passivehouse #ecohouse #ecohome #window #luxuryhouse #luxuryapartments #ecofriendly #residentialdesign #energysaving #sustainablebuilding #customwindows #architecture #moderndesign #luxuryhousing #Certified #doors #BetterHome #liftandSlide #largedoors #slidingdoor