How To Install Trim Around Windows And Doors

Here s how they do it.

How to install trim around windows and doors.

This video shows the installation of siding j channel around doors and windows. It s all done by eye with a sharp pencil a miter saw and an 18 gauge nailer. Cut a 45 degree angle on one end of the trim and hold it so the short end of the angle. If you have vinyl or metal flanged windows for instance you can install drip cap flashing 4 the home depot over the window itself or over the top trim piece that you install.

Most trim carpenters don t even use a tape to trim windows. From the edge of the jamb to align the casing to the door jamb and windows photo 1. Installing j channel around windows can be a difficult part of the installation process. Instruction on how to install exterior 2x4 trim around a new or old window.

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. With experience you ll skip this step and simply eyeball the reveal when you put up the trim. Start with the casing around the doors and windows. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes.

The first few times you install casing we suggest drawing light lines called reveal lines 3 16 in. When you know how to install window trim you can elevate your carpentry projects and achieve pro quality results. Place each trim piece near the door or window where it will be installed. Researching the proper steps for installing j channel.

For a consistent look match the interior trim around your door to the style of the room. Nail up all the header pieces beginning with your 18 gauge brad nailer using 1 1 4 inch brads. Watch this video for step by step instruct. Align one end with the reveal mark and then tack it in place to the door jamb or window surround.