SnowBreaker Snow Guard Calculator
Estimate SnowBreaker quantities, placement, and reference costs across a complete roof area. For isolated doorway placement, use the Isolated Area SnowBreaker Calculator instead; its layout rules and attachment-dependent snow-load limits are different.
1. Product and roof information
Printed on your material estimate and individual roof layouts.
2. Roof areas
Use this roof measurement guide to identify roof pitch, ridge-to-eave run, eave length, and panel valley width.
1 of 8 areas
Full-roof SnowBreaker layouts: common questions
These answers explain the calculator inputs and limitations. Layouts and material totals are preliminary planning estimates; confirm product compatibility and project-specific requirements.
What does the full-roof SnowBreaker calculator estimate?
It estimates SnowBreaker quantity and row placement across complete roof areas using roof pitch, roof run, eave length and panel width, with separate material estimates for each roof area.
How does pitch change SnowBreaker row spacing?
Maximum row spacing is 20 ft for 1/12–2/12 pitch, 15 ft for 3/12–4/12, 8 ft for 5/12–6/12, and 5 ft for 7/12–12/12.
What attachment packages are available?
The calculator offers Adhesive, Screws and Sealant, and 3M Tape attachment packages. Confirm which fastening method is suitable for your roof before installation.
Is this the right calculator for a doorway only?
No. Use the Isolated Area SnowBreaker Calculator for doorway-only placement. It uses different quantity and offset formulas, with a 20 PSF limit unless mechanically fastened as specified.