In order to provide the finishing touch to the installed door, installation of interior door trim around the door is necessary. If you want to install interior trim for your doors, it is not a difficult job to do, if you have right tools with you. To perform this job successfully, you need a whole host of tools including Miter Saw, Nail Gun, level, square, tape measure, pencil, shims, wood or caulk fillers, center punch, 4 penny and 6 penny nails, rag and some paint or stain. If you need to fix extension jambs, you may also need table saw or skill saw with fence in addition.
This guide sheds light on trimming out both interior and exterior doors consisting of door jambs previously extended out flush with the completed sheet-rocked wall. In most of the cases, the only trim needed for installing interior door trim is case molding. In this article, a 2.5
Measurement of the interior trim case molding
In this guide, the number of the colonial case molding trim comprises of 3 pieces. Two vertical members will be placed on the each side of the door, while a top piece will be placed above both of the vertical members. Here, two 8
Installation of the vertical colonial case molding trim pieces
On each side of the door frame, the right, left and top extension jambs, you make a couple of small cross hair marks. These marks will help you to identify the height of the inside edges of the trim pieces. Additionally, these marks will help you to identify the place through which the trim pieces will be lined up resting on the vertical extension jambs. While making the marks, you should make sure that there is 0.125
With the help of Miter Saw, you first make a 45
After cutting your pieces, you should touch up the ends with paint or stain, and then place it in proper position. You should line up the bottom edge point to the cross hair mark. If you find it properly lined up, you should nail into position with the help of a trim nailer on the outside edge of the trim. Otherwise, you may need to re-trim it. In addition to this, you may need to make sure that you position the nails more or less 1
Installation of the top colonial case molding trim piece
To begin this process, you first measure the distance between the central corners of both of the vertical colonial case molding trim board. Keep the measurement record in a safe place. After that, you make a 45
Now, you need to change the position of the angle of your saw with the intention that you can make another 45 ² colonial case molding is used. ² vertical colonial case molding trim pieces and 4² horizontal top piece are used. Before you use the case molding, it is always better if you pre-paint it or purchase pre-primed trim. It is mainly because of the cleaner finished look and also it saves a good amount time. ² to 0.25² of jamb reveal.
As soon as you make the marks, you need to measure the distance between the centre of the right cross mark and the floor. ° angle cut over the piece of colonial case molding trim board. It should be several inches longer than that of the size you have just made. You should make sure that the thicker portion of the cut colonial casing trim must be extended away from the thinner portion of it.
Now with the help of the measuring tape, you gauge from the thinner segment of the cut colonial casing piece to the required distance that you have measured on the frame of the door. Then you make a little mark on the wood and cut it straight at a 90° angle. ² in from the edge which helps in preventing from splitting. You may need to use a level to make sure that the trim piece is plumb at the time of installing the nails. Follow the same procedure for the left hand side of the door frame. ° angle cut on the member of the case molding trim which is several inches longer then the measurement you have just recorded. Once again, you should make sure that the thicker part of the colonial case molding should be extended beyond the inner edge, that is, the thicker part of the colonial case molding trim.
Now make a mark on the inner edge depending on the measurement you recorded earlier. ° angle cut in the reverse direction of the cut you did before on the board. One more time, you touch up the edges with paint or stain and place the top trim piece on the top of the two vertical members. You need to apply 6 penny nails resting on the surface of the edges of the trim piece. As soon as it will be done, you need to apply 4 penny nails resting on the inner parts of all the trim pieces. While doing this process you need to ensure that you must not position nails to close the edges. Otherwise it may result in splitting. To end with, sink and caulk the nail holes, and retouch with a little paint and you have finished.
David Ness: Rhode Island roofing contractor.
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