Lay out your array on the grid and get an exact parts count in seconds. Enter your email to start.
We use this to follow up on your estimate. No spam.
SunBuilder
Sunstack Integrity Line · BOM estimate
System
Array layout
PortraitLandscapeSkip (gap)Empty
Click a tile to cycle: empty → portrait → landscape → skip. A “skip” is a deliberate gap that breaks the rail run.
0Modules
0Rows
0Watts (DC)
—East–West
—North–South
Bill of materials
Total line items0
Quantities only. Estimate for planning; confirm against a final order.
Span Calculator
Sunstack Canadian Span Calculator
Calculate your maximum attachment spacing.
For Canadian Roofs. Determine field, edge, and corner zone spans for SSB1 only, Integrity Rail on SSB1, and Integrity Rail on SSM. Enter your email to start.
We use this to follow up on your estimate. No spam.
Canadian Span Calculator
Estimate your maximum attachment spacing
For Canadian roofs building with SSB1 only, Integrity Rail on SSB1, and Integrity Rail on SSM. Returns the field, edge, and corner zone spans in feet.
Maximum attachment spacing
Enter your configuration and select Estimate span.
Field · r
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feet
Edge · s
–
feet
Corner · c
–
feet · governs
For estimate only and not a permit-ready document. Values are matched to the nearest tabulated band and column.
The sealed P.E. letter governs and is required for your permit package, including the provincial stamp.
Spans are shown in feet, converted from the metric values in the letter (shown beneath each).
Find the P.E. letter below
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