The thickness of this insulation can range from a thin sheet of polystyrene to as much as 2 in. However, you need to be sure you're comparing apples to apples when shopping. Some plastic doors, as well as some top of the line wooden ones, come insulated. Rubber bulb or flange weathersealing at the bottom of the door completes the stormproofing while keeping dirt, debris and water out. Looks count .
All major companies offer numerous options to add a bit of style to a standard door.
If you own a contemporary home, you might consider a door with bands of horizontal ribbing, or a nontextured flush door design. Generally, the color palette for garage doors is limited to white, beige and brown. However, Gadco offers blue, grey, hunter green and deep crimson on some of its doors. If the above options don't fulfill your appetite for individualism, think about investing in a custom door. Holmes Door also makes a carriage-house door that swings up to open.