How To Trim A Window Frame

Installing new interior window trim can instantly make a room look more finished and add together a decorative element to your home. Trimming a window tin seem similar a circuitous project to many homeowners, just doing it yourself may be simpler than you imagine.

So, how do you trim the inside of a window? This method for installing basic window trim involves two parts: installing the stool and attaching the casing. Keep reading to larn which materials and tools y'all need every bit well as the steps to completing this projection.

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Install the stool

With this window trimming technique, y'all'll beginning install the stool. This is the bottom section of the trim that juts out from the wall similar a mini-shelf. Before yous begin construction, make sure all the jambs are flush with the surface of the wall. If they don't reach the wall'south border, add together wood strips to extend them. If they protrude beyond the wall, smooth them down until they're even. Follow these steps to adhere the stool correctly.

Stride 1: Describe the reveal: Using the combination square, draw the reveal on the border of each jamb. This quarter-inch of space is the area of the jamb border that the casing won't cover. Make the markings easily by setting the foursquare and then holding the tip of the pencil against information technology every bit you lot slide the square along the jamb.

Step two: Measure and marking: Next, you must make up one's mind the proper length of the stool. Hold one piece of casing flat against the wall in line with the reveal line. Marker the border lightly on the wall. So, turn the casing on its side and make another marking at its edge. The distance betwixt the 2 marks should exist equal to the width of the casing. Repeat this process on the other side of the window. Measure the length of the two outer markings with the tape measure — this is how long the stool should exist.

Step 3: Cut and create notches: Cut the stool to the proper length. And so, you lot volition demand to mark the notches on both ends of the stool. Mark the depth of each notch kickoff, then the length. Cut out the notches with a handsaw or jigsaw. If you're using a jigsaw, adjust the blade and so that it undercuts slightly, removing a little more from the bottom of the woods than the meridian.

Step 4: Fit and attach: Put the stool in place and ensure that it fits snugly. Saw or airplane the forest to brand any necessary adjustments before attaching it to the crude sill. Once the fit is perfect, drill airplane pilot holes and adhere the stool with 8d cease nails.

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Adhere the casing

Next, you lot'll need to adhere the casing on the sides and top of the window. Here's how to finish the project with ease.

Step 1: Cut the top slice: Cut ane border of the superlative (caput) casing piece at a 45-degree angle. For this part, it may assistance to have an extra set of hands. Hold the casing in identify, aligning the cut edge with the reveal line on one side. And then, mark the other side of the casing where it intersects with the reveal line, and make another 45-degree cut. Tack the casing into place, only driving the nails in partway.

Stride 2: Mark the side casing: The process is similar for the side casing. Cutting ane edge to 45 degrees. Concur the piece upside-down, placing the tip of the cut end on the outer edge of the sill. Marking the other end for a directly cut where it aligns with the top edge of the head casing. Make the cut and echo with the piece of casing for the other side of the window.

Step iii: Drive the nails: Hold the casing together and utilise the nails to attach the pieces to the frame. Use 6d finishing nails to spike the casing to the studs, and 3d nails when attaching it to the jamb. If you're driving a nail nigh the edge of a piece of forest, be certain to drill a pilot pigsty offset so yous don't damage the wood. At each miter, hammer a 3d nail horizontally to tightly and securely attach each piece of casing against the other.

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Window trim FAQs

Learn everything you need to know about window trim before starting this DIY projection.

What is the trim on a window? Window trim is the frame that surrounds your windows. Trim on the exterior of your house covers the gap between the siding and the window, but inside, the trim is purely stylistic. Interior window trim can be fabricated of wood, polystyrene, polyethylene, and more.
What is the trim effectually a window called? There are a few different parts of interior window trim, including the casing, which lines the pinnacle and sides of the window, and the stool, which lines the lesser.
How much does it price to trim windows? According to Fixr, interior window trim costs an boilerplate of $l to $150 per window.

Now you know how to trim a window interior! This DIY project is simple to consummate, as long every bit you measure and cut advisedly. Begin past installing the stool, and so measure, cut, and adhere the casing. In merely a few hours, y'all'll take a beautifully trimmed window that you can be proud to say y'all installed on your own.