Polycarbonate Plastic snow and ice guards can also be called, snow-guards, snow brackets, snow guards, snow birds or snow clips. Our clear snow guard products help prevent damage from avalanching snow and ice while remaining practically invisible, adding beauty and function. Kit Includes:20 Clear Polycarbonate SnoJax Ace Snow Guards 40 high quality galvanized #14, self-drilling screws that are 1.5 inches long, with an attached neoprene washer. This kit is designed for roofs with metal purlins.2 Tubes of NovaFlex Neutral Cure Clear Sealant. Safe for use on Kynar and Galvalume panels. This sealant is used with screws for mechanical attachment of snow guards to metal roof panels. Service Temp -40F - 400FApplication Temp 0F - 120FMildew Resistant 8 alcohol panel preparation wipes. For use when cleaning panel surfaces before snow guard installation. Detailed instructions for installation which can also can be seen at http://snoblox-snojax.com/index.php?l=page_view&p=install We have several kits available on Amazon with various products, quantities, with/without adhesives and screws. If this kit is not what you need, please see our other auctions or call us at 717.737.4398.PA sales are subject to 6% sales tax. Pick ups during normal business hours are welcome. We are located south centrally in Lemoyne, PA, near Harrisburg.Placement of snow guards in just isolated areas such as chimneys, doorways, vents and partial roof sections is NOT recommended. Always obtain a spacing layout before installation. Follow suggested layout to assure your satisfaction and to validate warranty. A spacing recommendation and layout tool for snow guard placement is available at http://www.spacingtool.com If you have any questions or concerns, please call us at 717-737.4398.Please note that these products will only be shipped in the continental US. Sorry Canada or Alaska shipping is not available for this auction.