On the interior, wood with a contemporary profile of just over 2 inches frames expansive walls of glass in Sierra Pacific Windows’ TimberLite 2.0 Wall System. Concealed fasteners maintain a clean look inside, and with the system’s GroundLine feature, the glass dies into the floor with no bottom mullion. Exteriors sport heavy-duty powder-coated aluminum. The system can incorporate the company’s aluminum-clad wood doors and structural corner units. sierrapacificwindows.com