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| Next, apply silicone sealant to the edge of the window ledge, also called "the stoop," and the corners at the ends of the sill. |
Now, it's time to set the window in place. Set the bottom in first and then tip the frame upright and push it against the stops. |
Check to make sure that the window frame is square. |
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| The install shims at the top, bottom and middle of the sides of the frame. |
Check that the gap betwen the sash and the frame is uniform from top to bottom. |
With the frame square and locked in position, run screws through the pre-drilled holes in the sides, through the shims, and into the jamb. |
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| Then, use a utility knife to score the shims and break off the excess. |
Fill the small gap between the edge of the frame and the window opening with low expansion foam made expressly for this purpose. |
Replace the sash stops removed earlier and secure with nail
gun. |
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| Outside, form a watertight
seal between the replacement window frame and the original
opening by pressing foam backing rod into place. |
Next, fill the reamaining
space with silicone caulk. |
Spray the surface with a
lubricant called Caulk
Mate. |
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| And tool the joint smooth with your finger. |
These state-of-the-art Pella windows are constructed of two panes of gas and filled with argon gas. This makes them highly energy efficient and renders the use of storm windows unecessary. |
With just a little effort, you can sit back and enjoy new windows that are energy-efficient and asthetically pleasing. |
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