The TimberLine series fuses an architectural aluminum exterior with a classic natural wood interior to provide ageless charm for your living space while permanently protecting your inside from the outside.
The TimberLine series windows feature Quaker® patented OptiCore® Technology, an architecturally enhanced aluminum frame design that maximizes the thermal, structural and sound performance of each window.
Originally engineered for large commercial buildings, OptiCore® Technology offers the most advanced thermal barrier system available for residential applications to maximize energy performance, while allowing for bigger windows and greater views throughout your luxury home.