1.0ut Frame: 70mm Width, Thickness: 1.6mm, which we call it "WEIJIAYE"70 thermal breakcasement door & window;2. Adopt of nylon (P66)14.8mm thermal break gasket; which has better performance of thermalbreak and soundproof;3. Could be horizontal pivating window, outward open window, inward open door & outward opendoor;4. Designed with "double equal pressure cavity" sealing technology for drainage. with multiplesealing of the door & sash, which provide the window with excellent waterproot, drainageperformance and high air tightness;5. The hardware slot adopts European standard slot design, which is in line with European standardhardware accessories configuration. And this design could install hidden hinge.6. This series of glass adopts three layers of glass, which has better thermal break and soundproofperformance7. Suitable for the North of China