Doors and Windows The most commonly used door trim casing size is 2 ¼ inches in width and ½ thick, although these numbers will regularly go upwards in the ½ inch range. Although it's standard practice to have door and window casings the same size, there is absolutely no real set of factors forcing this.
n general, vertical trim elements, such as door and window casings, should be smaller than your baseboards. Think 50 percent of your baseboards — in the above case, 3 ½ inches. Your crown molding should be scaled to be smaller than your baseboards and appropriate to the height of your ceilings.
Baseboard trim runs along the bottom of interior walls, while window trim surrounds windows.
The 50 Percent Rule
Generally, vertical trim elements such as door and window casings should be smaller and have less heft than baseboards. So I've found that a good rule of thumb for sizing window and door casings (or door trim sizes) is to keep them at about 50 percent of the height of the baseboard.
A standard door casing is 2 1/4 inches but can be up to 3 inches or more depending on your personal style and preference. Typically wider casings are reserved for room with much higher ceilings (over 12 feet) to accommodate for the extra trim.
Usually the windows width is different than the height so I measure the top and side and round up to the nearest 8', 10', or 12' length. Example: Measure the width of the outside edge of the windows and add 8” to cap the side trim, then measure the height and add 4” for capping the bottom trim.
While trim can include baseboards, crown moulding, and chair rails, casing specifically refers to the moulding around windows and doors.
Measure the I.D. of the window jamb and add twice the width of the casing (include the width of the backband), and twice the jamb reveal--that's the amount of jamb which is exposed just before the inside edge of the casing. The OD. of the casing is also the O.D. of the apron.
MYTH: Everything should match
Painting all window and door trim, crown molding and baseboards the same colour provides consistency, but is not a rule. For example, only black baseboards will anchor a room while having only black crown moulding will frame the ceiling and draw your eye up.
Vinyl Window Pro offers classic vinyl trim (2 sizes available – 2 ¾ inches and 3 ½ inches wide) and two different corner pieces, namely O and V. The usage of vinyl casings has become quite popular in recent times as no painting is required with them.
Use a weatherproof and UV resistant sealant to get a beautiful, clean finish around the exterior window joint. The Soudal Trade Range: Exterior Frame Silicone is a flexible and weathertight sealant, perfect for sealing around the perimeter of wooden, aluminium, and PVCu window and door frames.
Wood is popular due to its decorative appeal, with poplar recommended for painted trim and strong-grained oak for stained. Wood composites and uPVC are other common materials, offering more variety in style and budget. There are many styles of window trims, so it's easy to match them to any home style.
Gaps around windows and doors should be sized to allow for thermal movement and this will vary depending on the material of the frame. The maximum gap permitted for openings less than 3m should be 10mm. For openings more than 3m, the maximum gap permitted should be 15mm.
Here is a great rule of thumb: A standard 8-foot wall typically has a baseboard 3 to 5 inches tall, while a 10-foot ceiling calls for 5 to 7 inches. As a designer, I love adding height for drama. And the taller baseboards create a modern yet elegant finished look.
Doors and Windows
The most commonly used door trim casing size is 2 ¼ inches in width and ½ thick, although these numbers will regularly go upwards in the ½ inch range. Although it's standard practice to have door and window casings the same size, there is absolutely no real set of factors forcing this.
Provide at least 3/8" (10mm) clearance between the backer rod and the exterior face of the window. Backer rods add shape and depth for the sealant line.
Firstly let's explore what each of the terms actually means: The Sill is the area at the bottom of the window opening. This actually comprises of two parts: the base is the shelf itself, whereas the apron is the trim that runs under the shelf (usually as a decorative piece).
Casing. Casing is trim that frames an opening, window or door and is typically less wide than baseboards. We offer a number of different casing styles, this one in particular is a Modern style design, it offers a simple design that is very popular in homes today.
The sash is basically the frame that houses the glass. It moves together with the glass, so it's part of the operable window. The trim, on the other hand, is also known as the casing. It's the part that frames out the window opening and adds a decorative touch.
It is usually installed around the window frame, covering the gap between the window frame and the wall. Casing can be as simple as a flat, unadorned piece or as intricate as detailed molding, depending on your architectural style and personal preferences.
Cut a new piece of window trim at a 45-degree angle with your saw. Match it up to the mitre joint on the window trim you installed earlier. It probably won't match perfectly. Adjust your miter saw and trim the angle until it matches up.
The first method of cutting wood trim without a miter saw is to use a handsaw – specifically, the Japanese saw. This type of saw is smaller than traditional handsaws and has fine-toothed blades that make it perfect for precise cuts in relatively thin pieces of wood.