Economical polycarbonate metal roof snow stops with lifetime warranty! Fits most metal panels and is reversible for minor rib straddling! We invented and patented the original Clear Snow Guards for metal roofs. ATI lab tests show 500 lbs holding strength for adhesive mounting Free Snow Guard Spacing Layouts Available Online Snow Guards are rooftop devices that help prevent snow slides, the dangerous movement of snow and ice, by allowing it to melt completely or drop off in small amounts. 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 help prevent damage from avalanching snow and ice while remaining practically invisible, adding beauty and function. Kit Includes: 20 Clear Polycarbonate IceJax I Snow Guards 1 Tube of Surebond Everseal SB-190 Clear. (Requires 28 days at 50 degrees or above to fully cure). Detailed instructions for installation are pictured in the listing. Placement of snow guards in just isolated areas such as chimneys, doorways, vents and partial roof sections is NOT recommended. Always obtain a manufacturer’s suggested spacing layout before installation.