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Always use a steel measuring tape
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All measurements should be to the nearest 1/16"
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Write measurements width by height
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The necessary allowances for width and length will be made by the manufacturer
Select the type of installation:
An important note regarding windows...
Don't be surprised to find out that your windows are not square. A little out of square probably won't be noticeable. If your window is very out of square you may want to use an outside mount to hide the window frame.
Inside and Outside mount measurements:
To determine width - measure the exact distance between the inside surfaces of the window frame at the top where the brackets will be installed.
To determine length - measure the exact distance from the inside surface at the top of the window to the bottom sill at the left, middle and right and use the longest length.
Our merchandise is custom made to your specifications. All specifications must be communicated to us by email at nick@porterpreston.com or fax (203)-597-8828.
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