How To Install Window And Door Trim

Before you cut start installing by marking out the reveal the gap between the trim and the edge of the door jamb or door frame which is typically 1 8 inch.

How to install window and door trim.

Use a tape measure to measure the area around the door image 1. Most trim carpenters don t even use a tape to trim windows. When installing window molding start at the top. Here s how they do it.

Cut a 45 degree angle on one end of the trim and hold it so the short end of the angle. It s all done by eye with a sharp pencil a miter saw and an 18 gauge nailer. Traditionally this cap molding was solid but since a solid molding this large is hard to come by we substituted 2 1 4 in. Then use a miter saw to cut the trim to those measurements factoring in a 1 8 reveal on the doorway image 2.

Labor is around 70 per hour for both windows and doors. Either way to trim a door you need to bridge the gap between the door jamb the frame from on which the door is hinged and where the latch engages and the wall. When you know how to install window trim you can elevate your carpentry projects and achieve pro quality results. Prepare to install door trim for a consistent look match the interior trim around your door to the style of the room.

Cut the ends at 45 degree angles to fit around the door jamb. Watch this video for step by step instruct. For larger windows and doors it takes about one hour to install the materials. Installing window trim ranges between 100 to 170 per window but they can be as low as 40 or as high as 350.

The final step for both the door and the window trim is building and installing the head casing assembly. Either you ve installed a new door or decided to change the door s trim for aesthetic reasons.