JSP Manufacturing Clear Jumbo Snow and Ice Roof Guard Our JSP Brand Clear Jumbo Roof Snow and Ice guards are designed to keep snow and ice off metal roofs. These strong and durable guards will protect your property and people from injury and liability claims from injury. Please use a silicone sealant (not included) around the base of the guard in order to provide a watertight leak free seal. Prevent Sliding Snow Ice Buildup. Prevents sliding snow and ice buildupProtect your property and people from damage and injuryExtended Gussets for added durability and strengthWide stop plateUse a silicone sealant (not included) around guard base and screw holes to provide a watertight and leak free sealDoes NOT include any gaskets, base plates or mounting hardwareFor use on metal roofsStrong and durableMade in USA Measures Approximately: see images Width: 4 inchesLength: 3 inchesHeight: 3 inchesDistance between Horizontal Holes: (on center) 2.75 inchesDistance between Vertical Holes: (on center) 1 inch INSTALLATION: Due to varying climates, snowfall amounts, and roof styles and types, it is recommend you contact a licensed contractor regarding installation or spacing. Each HOA, city, county, or state may have their own codes or ordinances regarding installation or spacing. Use 4 hole Mounting System - Recommended to use 4 #10 Sheet Metal Screws (not included)Must use a silicone sealant (not included) around guard base and screw holes to provide a watertight and leak free sealDoes NOT include any gaskets, base plates or mounting hardware Great Quality Strong and Durable Extended Gussets for added durability and strengthWide stop plateMade from 100% pure virgin polycarbonate Why Use Snow and Ice Roof Guards? Snow and Ice guards are used to minimize damage from sliding snow and ice by breaking it down to smaller less dangerous pieces! Protect people, cars, gutters, HVAC Units, decks, sidewalks and driveways from damage, injuries, and liability claims. JSP Manufacturing Roof Guards Not the right Roof Guard... Check out our store to view our wide selection of roof guards such as: Multiple ColorsMini Roof GuardsV2 Mini Roof GuardsJumbo Roof GuardsStanding Seam Customer Reviews Price Style Jumbo Roof Guards Mini Roof Guards V2 Mini Roof Guards Standing Seam Roof Guard Size (L x W x H) 4" x 3" x 3" 4" x 1.5" x 2" 4" x 1.5" x 2" 2.5" x 5.25" x 3.5" Material Polycarbonate Polycarbonate Glass Filled Polymer Glass Filled Polymer Colors Clear Black / Blue / Brown / Clear / Green / Grey / Light Grey / Red Black / Brown / Clear / Green / Grey / Light Grey Black / Bronze / Green / Grey / Light Grey