The purpose of a snow guard is to help reduce a slide, not stop it. Due to varied roof geometries and structural strength, climatic conditions and snow melt rate, GuttersDirect.com LLC and eGutter cannot and does not assume a liability with respect to the suitability or use of this product. Liability is limited to replacement of non-standard manufactured product or cost of the respective product used. It is important that snow guards are securely fastened to a structural member. Building codes, architects or engineers, should be consulted when pitch exceeds 12:12. Positioning of eGutter snow guards required for effective use: 1 every 40 inches over entire roof.