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2 <br /> <br />The City Zoning Ordinance currently allows for standing seam metal roofs as follows: <br /> <br />§ 1007.043 GENERAL BUILDING AND USE PROVISIONS. <br /> <br />(2) Building Type and Construction. <br /> <br />(a) Single Family Dwellings. All single family detached dwellings in the R, R- <br />X, R-1, R-1X, R-EC, and R-2 Districts shall meet the following design criteria: <br /> <br />3. Single family dwellings shall have at least a four/twelve (4/12) roof pitch <br />and shall be covered with shingles or tiles or a standing seam metal roof. <br /> <br />The issue revolves around hidden fasteners (standing seam) vs. exposed fastener metal <br />roofs. The City ordinance clearly states a standing seam metal roof is allowed on single <br />family dwellings. The Planning & Zoning Board wanted to consider both hidden and <br />exposed fastener systems on single family dwellings. <br /> <br />Staff researched neighboring community zoning ordinances and found varying <br />requirements from not allowing any metal roofs on single family homes (e.g. Andover, <br />Anoka, Forest Lake) to allowing only standing seam (e.g. Shoreview) to allowing <br />standing seam with restrictions (e.g. Blaine). The City of Hugo does not address metal <br />roofs at all. Some communities also differentiate between residential, commercial and <br />industrial uses. <br /> <br />The pros and cons of hidden fasteners vs. exposed fasteners differ. Planning staff <br />discussed with Building Department staff, researched, and viewed several websites and <br />online videos. Suggested online videos for Board members to watch include: <br /> <br />• https://sheffieldmetals.com/learning-center/standing-seam-vs-exposed-fastener- <br />metal-roofing/ <br />• https://youtu.be/-4i8UZQ07X0 <br />Attachment A shows a side by side visual comparison of hidden vs exposed fasteners. <br />The following chart shows a side by side comparison of pros and cons of each product. <br />As you can see, there are pros and cons to each product. <br /> <br /> Hidden Fastener <br />(i.e. Standing Seam) Exposed Fastener <br />Weather Tightness X <br />Easier to Install X <br />Cost X <br />Maintenance X <br />Low Sloped Roof X <br />Panel Strength X <br />Aesthetics X <br />Compatibility with solar <br />panels and snow retention X X