The Blizzard Heavy Duty III NH 1.5 aluminum 3-pipe clamp-to-seam snow fence system.  Brackets come with two attached S-5!® NH1.5 standard clamps for standing seam metal panels.  Effective for snow retention in areas with high snow loads.

Use the S-5!® NH 1.5 ("NH" stands for Nail strip Hinge) is a non-penetrating, standing seam metal roof clamp designed specifically for 1-1/2" nail strip profiles with a wider horizontal dimension (>0.475" and up to 0.80").  Includes 2 aluminum inserts and 4 stainless steel setscrews per bracket.

Blizzard Heavy Duty III aluminum 3-pipe clamp-to-seam snow fence system is our tallest and one of our strongest clamp-to-seam systems for standing seam metal panel roofs.  Use of the Blizzard Heavy Duty III system may reduce the number of rows needed for some roof sections.