The Modern Farmhouse Knotty Alder 4 Lite Glass Front Door from Krosswood Doors brings a touch of nature into your home with natural wood grain, unique textured knotting, and four gorgeous beveled glass windows to allow sunlight into your entryway. Our doors are crafted with superior doweled construction and hand stained in the United States to ensure that each one is a true work of art. Find your perfect fit today with our customizable layouts, sizes, and stain options. Engineered Knotty Alder stiles and rails ensure durability Full thickness solid wood panel measures 1-3/4 in. Center floating panels allow for expansion and contraction to withstand environmental changes Sturdy, doweled construction Compatible with most smart lock and smart Wifi doorbell devices Insulated and tempered safety glass with low-E coating for energy efficiency Features dark, visible knots that enhance the individual beauty of each entry door Pairs well with Nest, Wyze, and Ring cameras and smart doorbells Stained doors come in your choice of a Semi-Transparent Oil-Based Wood Stain and a clear Helmsman Spar Urethane topcoat Doors are delivered curbside to your home via LTL Freight Shipping Installation is recommended as the final step on your newly remodeled or new construction home. Requires a stain or finish on all 6 sides to seal properly 1-Year Limited Warranty Must have adequate overhang over door (see warranty for details) Brickmold and interior trim not included WHAT'S INCLUDED WITH READY-TO-ASSEMBLE PREHANGING? Exterior hinges Solid Knotty Alder wood jamb included to match the door Double boreholes Adjustable inswing threshold Arrives knocked down, in a ready-to-assemble kit High performance weather-stripping which helps to seal out drafts Jamb assembly required