New Office Window Trim

When we first started talking about moving the office into the guest bedroom, one of the first projects I wanted to tackle, was trimming out the two windows. When we built the house a few years ago, we didn’t have extra money in the budget to trim out each and every window, so we opted to do round bull nose corners with a simple window ledge. Lately, I’ve wanted to start transitioning them over to something more custom looking, and the office was the perfect room to start, especially since we did the awesome grid board and batten walls.

New Trim In The Office by The Wood Grain Cottage

And because we wanted the walls and window trim to flow seamlessly, we actually started with the window trim first.

Here’s how we transformed our windows, and what we used:

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Supplies:

We started by removing our existing window ledge and trim board, which wouldn’t work with new trim since we’re entirely changing the design…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

With the trim and ledge gone, we started with our blank slate…

New Trim In The Office by The Wood Grain Cottage

First, we began by trimming out the inside frame of the window. We used a 4’x8′ sheet of 1/4″ MDF, which we purchased from a local lumber company. We could have used 1/4″ underlayment, which is what we use for all of our planking projects, but we chose to use MDF for it’s better durability and quality.

We measured the inside of the window frame, and cut the MDF into strips…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

We cut the boards to the length we needed for the window depth, then fit them inside the window…

New Trim In The Office by The Wood Grain Cottage

We used a tri-square to make sure the MDF sat flush against the face of the wall…

New Trim In The Office by The Wood Grain Cottage

And then nailed the MDF in place…

New Trim In The Office by The Wood Grain Cottage

With the top in place, we did the same thing with the sides…

New Trim In The Office by The Wood Grain Cottage

For the new window ledge, we chose to go with a 7 1/4″ wide MDF board at 3/4″ thick, which came primed with a slight router-ed edge. We wanted the depth of the ledge to be 6″, so we trimmed it to size…

New Trim In The Office by The Wood Grain Cottage

For the width on the ledge, we planned on 4″ trim pieces wrapping around the window, so we added that into the length of the ledge, plus a 1/2″ overhang on each side.

We followed the same guide for the top ledge as well, only we used 3/4″ MDF, which we cut into 1.5″ strips…

New Trim In The Office by The Wood Grain Cottage

On top of the 3/4″ MDF ledge, we added a 4″ piece of 1/2″ MDF…

New Trim In The Office by The Wood Grain Cottage

With the top done, the inside framed out, and the ledge in place, we added the side trim boards, which are 1/2″ MDF, just like the top board…

New Trim In The Office by The Wood Grain Cottage

1/2″ MDF is also what we used for the grid board and batten, which would allow everything to sit flush where the trim pieces butted up against the wall boards.

All that was left, was to add the bottom trim board…

New Trim In The Office by The Wood Grain Cottage

We did the same thing with the other window in the room…

New Trim In The Office by The Wood Grain Cottage

With the windows done, I began filling any nail holes, seams and caulking along the edges for a clean look.

And while we were at it, we decided to go ahead and trim out the closet doors and entry door as well…

New Trim In The Office by The Wood Grain Cottage

We actually built new closet doors, which I’ll be sharing next week, but in order to make everything look seamless in the room, we needed to trim out the doors (closet and entry) the same way as the windows. We followed the same pattern as the windows for the door trim.

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

The closet doors had the same round bull nose corners, and we used the same 1/4″ MDF as the windows to trim out the top and sides…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

Once we finally got everything trimmed out, it was time to add the grid board and batten

DIY Grid Boad & Batten Walls by The Wood Grain Cottage

DIY Grid Boad & Batten Walls by The Wood Grain Cottage

With the grid board and batten finished and painted, I began painting the new window trim. I went back and forth between painting the trim the same color as the walls, but ultimately landed on white. I loved the contrast of the white baseboard with the walls, and knew the windows and door trim would add the perfect touch. There was a lot of taping involved, but this stuff worked like a charm…

New Trim In The Office by The Wood Grain Cottage

Because the board and batten came in flush with the bottom of the window trim, I used the tape to create separation of the two…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

With everything taped off, I started painting the trim Super White by Benjamin Moore in semi-gloss.

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

After my last coat of paint, I quickly removed the paint to find nice, crisp lines. I then taped off the side of the trim boards…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

Once the sides were painted, I went back over any areas that needed it with a small detail brush. Tedious, but worth it. Here’s the end result…

New Trim In The Office by The Wood Grain Cottage

The new trim is perfect with the grid board and batten walls. It all blends together seamlessly, making everything feel finished…

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

New Trim In The Office by The Wood Grain Cottage

I absolutely love how the trim turned out, and how everything is coming together. We’ll definitely be following this same tutorial and transitioning the other windows throughout the house. That little bit of extra detail makes the room feel so much more finished.

New Trim In The Office by The Wood Grain Cottage

As for blinds, we’ll be installing the same bamboo blinds that are in the current office and master bathroom. I think the warm color of the blinds will be just the thing to add in another layer of warmth. We’ll also be installing them inside the window trim so that we don’t cover up the pretty trim we just added! More on that later.

So, another project in the office is officially complete! Next up, I’ll be sharing how we built new closet doors. Our old bi-fold doors were cheapies that really didn’t’ fit in with the overall plan for the new office space, and they needed to go. Stay tuned for that tutorial next week!

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3 Comments

  1. That looks so nice and it’s very timely as we’re thinking of starting this exact project. Will also be looking forward to your door tutorial. We need that one bad!! Love how it’s coming together.

  2. I am SO glad you posted this!!! I have been wanting to add trim around my widows, but not sure how to go about it because of the ‘bull horn’ corner…..didn’t even know there was a name for it! The one thing I realized….my custom blinds wouldn’t fit after I add the inside board. I will definitely do this though in time. I thought I would have to hire it done, now seeing what you did, I know I can do it!

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