Blizzard Heavy Duty III with S-5!® H90 Clamps
3-Pipe Fence-Style Snow Guard System
The Blizzard Heavy Duty III H90 aluminum 3-pipe clamp-to-seam snow fence system. Brackets come with two attached S-5!® H90 standard clamps for standing seam metal panels. Effective for snow retention in areas with high snow loads.
Use the S-5!® H90 clamp on metal standing seam panel roofs with fully seamed horizontal, single-folded seams greater than 0.65” (16.5 mm) wide. The setscrews are top-down oriented. Includes 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.
Designed for Roof Types:
- Standing Seam Metal Panel
Downloadable Files (PDF)
Available Material & Finish
- Mill Finish Aluminum
- Coated Aluminum
Suitable for:
- New Roof Installation
- Retrofit Roof Installation
Compatible Standing-Seam Profile Examples:
Snow Retention System Components
Blizzard Heavy Duty III with S-5!® H90 Clamps
Blizzard Heavy Duty III with S-5!® H90 Clamps
Aluminum 1" OD Tubing
Aluminum 1" OD Tubing
Aluminum 1" OD Tubing End Collars
Aluminum 1" OD Tubing End Collars
Steel 1" OD Tubing End Caps
Steel 1" OD Tubing End Caps
Ice Flag - Aluminum
Ice Flag - Aluminum




