Dress up your doorway
The standard width of door casing is 2 1/4 inches.
Door casings are either butted or mitered in style.
Common materials include paint-grade wood, hardwood, and MDF.
If you feel a slight draft when you walk by your front door or notice moisture around the door after a heavy rain, it likely needs some new casing that can help improve its fit and efficiency. The average cost to spruce up a door installation and replace casing is around $100 to $170. Here's everything you need to know before you begin prepping your door for new trim.
Door trim is the decorative and protective border around a door’s opening. It seals gaps between the wall and frame, and it also adds a visually appealing element to your door.
Door casing, door molding, and door trim are typically used interchangeably, but all typically refer to the same thing. Door casing or molding is a type of trim, which is the visible piece seen around a door. Basic door casings are made of three separate pieces: two long pieces for the sides of the door and a shorter piece for the top.
Door casings come in various sizes, but the standard width is 2 1/4 inches. Anything wider than 3 1/2 inches has to be custom-ordered.
When you’re trying to find the right size for your door trim, it’s important to consider the size of the room and the height of your ceiling so that the trim is proportionate and has a well-balanced appearance while fitting with surround trim and crown molding. Here’s a cheat sheet to help figure out what the standard size of door molding should be.
| Ceiling Height | Trim Size |
|---|---|
| 8 – 9 ft. | 2 1/4 – 3 1/4 in. |
| 9 – 11 ft. | 2 1/4 – 3 1/4 in. |
| 11 – 12 ft. | 3 1/4 in. or more |
| More than 12 ft. | 3 1/4 in. or more |
Door casings come in a wide variety of styles, which fall under two general categories: butted and mitered casing.
Butted casing consists of two side pieces connected with a wide header (at a 90-degree angle), while mitered casing consists of two side pieces connected to a header using mitered (45-degree angled) joints. Butted casing is ideal for homes with high ceilings thanks to the size of its header, and it’s also used for custom millwork.
Some of the most common casing materials include paint-grade wood, hardwood, and multi-density fiberboard (MDF) casing. To decide which material is best, it’s important to consider cost, the moisture level in the room, and whether or not you want to stain or paint the trim.
Paint-grade wood casing is generally made from pine and poplar, and it consists of bare wood that’s ready for a paint application. You can really customize this type of casing and add more details than you can with human-made casing materials.
Stain-grade casing is made from oak hardwood, maple, mahogany, poplar, and other kinds of hardwood. This is the best type of casing for doors that are exposed to moisture since it doesn’t warp, and it also stains well.
MDF casing is made from sawdust and resin. It looks similar to a paint-grade casing, but it tends to be less expensive. MDF is prone to swelling and warping when it comes in contact with water, so it shouldn’t be used on doors exposed to moisture.
Because there are so many different types of casings available, it’s helpful to narrow down your search by thinking, first and foremost, about the size of your home. Consider the height of your doors first, then consider the style of your home. Your house should dictate the type of casing you choose, in terms of whether a simpler or ornate design is best. And, when in doubt, don’t hesitate to contact a local interior trim installation professional who can answer your questions, show you samples, and help you select the right casing for your needs.
The cost to install door trim is typically around $0.60 to $1.20 per linear foot, depending on the size of the door and how ornate your casing option is. You’ll want to hire professional door installer to help to ensure the trim is uniform across all of your doors. This is a great opportunity to think of other interior door ideas, like adding an arch or a fresh coat of paint.
We worked with the team on two door projects for an older home in Gatewood and they didnâ t disappoint. Their customer service, value, quality, attention to detail and timeliness were great. Weâ d definitely recommend having them come out to quote your next home project.
Home RenewDoor was installed perfectly. No issues and looks great. Installer very pleasant.
Abba ConstructionSteve Ocker is the best in the business and in his field. He is professional, very honest and upfront with the costs, equipment and time required for the job. Upon hiring him, we gave him a key to home as we were not living in the home yet (hence it needed lighting and heat, etc.) and Steve...
Steve Ocker Electric LLCI had initially gotten several bids for a duplex I own that had a multitude of rotting windows and rotting doors on the garage--the structure was brick, but there was obviously a lot of work that had to be done to the woodwork; some of the wood had to be replaced. The highest bid was over...
Teague Construction ServicesThe simple shower went well. If you have one door with no frills, they are okay. The second shower was a nightmare. They didn't know what they were doing and it was installed with a cross bar that the shower door will hit if you're not careful. The handle fell off 2 years later.
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