How To Install Trim Around Windows And Doors

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 trim around windows and doors.

Align one end with the reveal mark and then tack it in place to the door jamb or window surround. Most trim carpenters don t even use a tape to trim windows. Cut a 45 degree angle on one end of the trim and hold it so the short end of the angle. 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. For a wood window unit drip cap flashing can be installed over the trim piece often called brick molding that comes. Watch this video for step by step instruct. 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.

For a consistent look match the interior trim around your door to the style of the room. When you know how to install window trim you can elevate your carpentry projects and achieve pro quality results. The type and location of the flashings will vary depending on the type of windows and doors. From the edge of the jamb to align the casing to the door jamb and windows photo 1.

Place each trim piece near the door or window where it will be installed. Instruction on how to install exterior 2x4 trim around a new or old window. Align the other end and nail it up as well. When installing window molding start at the top.

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. Nail up all the header pieces beginning with your 18 gauge brad nailer using 1 1 4 inch brads. Researching the proper steps for installing j channel.