How to Install Mirrored Closet Doors. Measure the width and height of the door opening, and purchase doors and a hardware kit of the appropriate size. Cut the upper track to fit the top of the closet opening, using a hacksaw or reciprocating saw. How to Install Sliding Closet Doors. For easier installation, purchase sliding closet doors that are already pre-sized for the doorframe. Go to the hardware store with the doorframe measurements so you can find a sliding mirror door that fits. Transport it home carefully! Jump to Installing the Tracks and Doors - The actual rollers on the doors typically have an . you must install the top track slightly farther back on . Shop our selection of Mirror Door, Sliding Doors in the Doors & Windows Department at The Home Depot. . Beveled Edge Backed Mirror Aluminum Frame Interior Closet Sliding Door with Chrome Trim. Model# BMS4068 . Door Installation. Jan 25, 2018 - Dear James: The dressing area in my master bedroom is not as bright as I would like. I thought about hanging a mirror somewhere, perhaps on . Looking for replacement closet doors for sale? One Day Doors & Closets has all the best styles including mirrored, sliding, & bifold. Installed in One Day! Plain or mirrored sliding closet doors in steel (less expensive) or aluminum can . Hardware is typically included with these doors and installation is relatively .