Profile: Kawneer UK Limited is a supplier of architectural systems, services and building products. Our product line includes curtain wall systems, sunshades, casement, pivot, tilt side, vertical & horizontal sliding & slimline renovation windows, swing, tilt slide & horizontal sliding doors and framing systems. Our AA®4001 framing system uses shear block construction and is a fully drained & pressure equalized system offering optimal weather performance. Our GT70 slimline renovation window is an elegant aluminum fenestration solution designed specifically to replicate the appearance of steel windows.