How To Know What Size Prehung Door To Buy
Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall.
How to know what size prehung door to buy. Once again measure only the door itself and no other elements such as a door sweep. Prehung doors install easily as they include the jamb and frame providing a uniform appearance. You should add 2 1 2 to the height of the actual door. Entry doors are usually 36 inches wide.
Weighing between 50 and 100 pounds a pre hung interior door with a hollow core slab is the lightest pre hung door you can buy. Door venders want to know. When ordering this type you specify the surface to surface thickness of the wall and the size and location of the holes for the lockset. Getting the rough opening size right the first time will save you from frustration when installing your doors.
This will give you room to space the door frame off of the sub floor. Slab doors are more economical as they can be mounted using the existing jamb and trim. For reference standard interior door widths range from 24 36 finished opening. Framing rough opening sizes are really quite simple.
The door comes mounted to a jamb set with hinges mortised into the edges. While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however. For a slab door measure the width height and thickness of the door. For a pre hung door measure the width and height of the slab the rough opening space between the studs with no door installed and the thickness of the jamb.
You may need to use a chair and or ask a friend to help you. Just add 2 to the width of the actual door size. Pre hung doors are heavy and hard to manage. When a pre hung door is being installed into an opening there have to be considerations for leveling the door and ensuring that it has an obstruction free swing.
Refer to the charts below to determine what size of door you will need. Standard widths for interior doors are 24 28 30 32 and 36 inches while the height must be a minimum of 80 inches. Even if weight is not an issue a pre hung door is bulky and unwieldy to move. Filling out the order form for a new prehung door may seem fraught with peril when you see the kinds of details the form asks for.
The difference between a rough opening and finished opening is usually 2 3 inches. Good choice if the door and framing must be replaced. Determine the height of the door. Run your tape measure along your door from the top corner to the bottom corner and write this number down.
While a standard door height is 80 finished opening. Pre hung doors are the preferred choice in most situations because of the labor they save. If you have questions give us a call at 888 458 5911.