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Window Trim

  • October 28, 2014

Shanty 2 Chic
Shanty 2 Chic
Shanty 2 Chic
Shanty 2 Chic

It doesn’t cost a lot of money or take a lot of time to fancy-up the windows in your house! Follow this tutorial to learn how you can easily give your boring windows a custom look!

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  1. Project Steps

    1. Step: 1

      Large 13ce6c0b cde5 445c a16e 74fd7c0124a8

      Have Home Depot rip 1/2” plywood to the width of the inside of your windows (usually about 3”). You could also use your circular saw or table saw for this part. You can see this piece is the width of the drywall around the windows - this is the piece for the top of the window. Meaure the length of the top of the window first and cut a piece of 1/2” plywood to fit. Using 2” nails and you Airstrike Brad Nailer, nail it up so that the front edge of the plywood is flush with the edge of the window opening. Now measure the length of each window side and cut them down as well.

    2. Step: 2

      Large d868ed22 0806 4812 b954 7319a5cd2b63

      Now for the MDF! You can also have Home Depot rip your 3/4” MDF to 3.5” wide (or use your circular saw or table saw). Start by measuring each side of the window from the top of the window opening to the window sill. Cut the 1x4 MDF to size. Next, add a thin line of wood glue to the edge of the 1/2” plywood (already attached). You will notice the layers on the edge - do not cover the inside layer because this layer will be exposed once the window is complete. Nail the side pieces on first. Make sure to expose that first layer of plywood (you can see a small edge of the plywood exposed under the MDF board.

    3. Step: 3

      Large 0f9efdd6 4a11 4562 8f6a 55e80efd1df6

      For the top piece, measure from the outside of one side of the MDF to the other side and cut the top piece to size. (The width of the top piece will depend on the width of your crown - I used 3.5” crown so I used a wider piece of MDF for the top piece).

    4. Step: 4

      Large 1b965470 2ad6 4142 87c2 bcae02d6ae1d

      Now, cut one end of your crown for a mitered outside corner (your miter saw should have hard stops for the bevel and miter cut). Lay it on top of the top piece of MDF and mark where it hits the other end of the MDF. Then, make the crown cut on the other end.

    5. Step: 5

      Large 54ff3138 c7c4 48ee ba34 44ec93840366

      Cut another piece of plywood the length of the crown from long point to long point and attach it to the top of the top MDF piece with wood glue and nails.

    6. Step: 6

      Large 2d2b14c5 fb61 4426 9abe 4160cc69c19a

      Next, attach the piece of crown to the MDF and plywood piece with wood glue and nails, then cut the side pieces to wrap around the MDF. (measure and cut to fit on this part)

    7. Step: 7

      Large 770e4556 24fc 4060 86ef b6f173594426

      Add a few coats of paint and nail it to the top of the window, flush with the side MDF pieces. To finish, fill the exposed nail holes and add another coat or two of paint!

    8. Step: 8

      Large fb5688bb 9d88 4751 bc57 a93969565f06

      Enjoy!

Comments (1)


  • My wife has wanted me to trim out our windows for a long time... your how-to helps with the how but I'm a bit confused. You talk about the top pieces being MDF but the photos look like plywood. Am I missing something? When you put the 1/2" plywood on the sides does it help straighten out the sides? Ours are nowhere close to straight and level and hope this makes getting them there possible! Thank you. Bob
    By BobT55, on October 15, 2017

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Window Trim

by Shanty 2 Chic
Oct 28, 2014
Medium fc6d9bdd 23cb 44ca aaee 62934efbb015

It doesn’t cost a lot of money or take a lot of time to fancy-up the windows in your house! Follow this tutorial to learn how you can easily give your boring windows a custom look!

Project Steps

  1. Step: 1
    Huge 13ce6c0b cde5 445c a16e 74fd7c0124a8

    Have Home Depot rip 1/2” plywood to the width of the inside of your windows (usually about 3”). You could also use your circular saw or table saw for this part. You can see this piece is the width of the drywall around the windows - this is the piece for the top of the window. Meaure the length of the top of the window first and cut a piece of 1/2” plywood to fit. Using 2” nails and you Airstrike Brad Nailer, nail it up so that the front edge of the plywood is flush with the edge of the window opening. Now measure the length of each window side and cut them down as well.

  2. Step: 2
    Huge d868ed22 0806 4812 b954 7319a5cd2b63

    Now for the MDF! You can also have Home Depot rip your 3/4” MDF to 3.5” wide (or use your circular saw or table saw). Start by measuring each side of the window from the top of the window opening to the window sill. Cut the 1x4 MDF to size. Next, add a thin line of wood glue to the edge of the 1/2” plywood (already attached). You will notice the layers on the edge - do not cover the inside layer because this layer will be exposed once the window is complete. Nail the side pieces on first. Make sure to expose that first layer of plywood (you can see a small edge of the plywood exposed under the MDF board.

  3. Step: 3
    Huge 0f9efdd6 4a11 4562 8f6a 55e80efd1df6

    For the top piece, measure from the outside of one side of the MDF to the other side and cut the top piece to size. (The width of the top piece will depend on the width of your crown - I used 3.5” crown so I used a wider piece of MDF for the top piece).

  4. Step: 4
    Huge 1b965470 2ad6 4142 87c2 bcae02d6ae1d

    Now, cut one end of your crown for a mitered outside corner (your miter saw should have hard stops for the bevel and miter cut). Lay it on top of the top piece of MDF and mark where it hits the other end of the MDF. Then, make the crown cut on the other end.

  5. Step: 5
    Huge 54ff3138 c7c4 48ee ba34 44ec93840366

    Cut another piece of plywood the length of the crown from long point to long point and attach it to the top of the top MDF piece with wood glue and nails.

  6. Step: 6
    Huge 2d2b14c5 fb61 4426 9abe 4160cc69c19a

    Next, attach the piece of crown to the MDF and plywood piece with wood glue and nails, then cut the side pieces to wrap around the MDF. (measure and cut to fit on this part)

  7. Step: 7
    Huge 770e4556 24fc 4060 86ef b6f173594426

    Add a few coats of paint and nail it to the top of the window, flush with the side MDF pieces. To finish, fill the exposed nail holes and add another coat or two of paint!

  8. Step: 8
    Huge fb5688bb 9d88 4751 bc57 a93969565f06

    Enjoy!