Trim coil is commonly made of aluminum and generally comes in rolls. Depending on the application, there are a few different sizes of trim coil. 50-foot rolls with a height of 24 inches are common in hardware stores . Trim coil also comes in different colors from the standard white to brown and wheat, as well as many others. Wrapping windows with trim coil is done for the purpose of preventing the elements from entering a house. Trim coil is excellent for helping to seal windows.
Things You'll Need
- Tin snips
- Tape measure
- Aluminum trim nails
Determine the size of both sides and the top of the window trim. Measure both the height and width. Write down the measurements. Roll out the trim coil in the front yard. Be careful not to damage the coil when rolling.
Starting at one end, measure out the width of one piece and make a mark on the coil. Score the coil with a utility knife. Make sure to cut in a straight line using a T-square for best results. Repeat this process again for the length. Repeat the process for the other side and top pieces.
Measure the width of the window sill. Add 3/4 of an inch to each side of the sill measurement to allow for the ends of the sill to be wrapped. This first piece will tuck under the window sill. Slide the first piece of trim coil into the brake. Bend the piece of coil at 90 degrees to fit under the sill ensuring each side is equal in width.
Wrap it under the sill and cut it with snips on each end to wrap it shut. Nail it in with a hammer and aluminum trim nails on each end of the piece. Bend the next piece with the brake to be fit over the window trim board that is already in place. Bend the coil at slightly over 90 degrees and nail into the trim board surrounding the window. Repeat this process for the other side of the window.
Run the trim coil on top of the window trim in the same manner as above, bending it with the brake and making sure to bend it over and nail it down with aluminum trim nails.
Tips & Warnings
- When rolling out the trim coil be sure to do it on grass, cardboard or plywood. It is not recommended to roll it out on the driveway because the coil can get scratched.
- It is best to have nails that are painted the same color as the trim coil.
- Photo Credit Jupiterimages/Goodshoot/Getty Images
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