"Suburban installed windows three years ago and siding and doors last summer and we're very satisfied with the work they did. They are very professional, prompt and dependable. We obviously are very h... » more
- Steve and Vicki Engler of Bettendorf, Iowa


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Nailing Fin

A feature of some windows and patio door which permits installation and fastening to a rough opening by nails or screws driven through the fin at the top and side edges of the unit, into the surrounding frame of the opening.

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