H.F.S.M.
HIDDEN-FASTENER SOLAR MOUNT
HFSM is America’s premier rooftop solar attachment for America’s most common roof type: shingles.
Designed by roofing experts and solar installers, the seamless design ensures a reliable, leak-free installation for life. The single-piece unit installs beneath the shingle courses, anchoring at the existing nail strip without creating exposed penetrations. By preserving the roof’s integrity, HFSM protects solar investment, delivers long-lasting performance, and provides peace of mind.
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​Preserves shingles - No holes in external roofing layer
Supports up to 6-foot mounting installation spans
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Dual rail attachment reinforces rails and splices
Maintains roof integrity for lifetime leak-free function
Code Compliant
Certified to meet UL2703 safety and performance standards.
25 Year Warranty
Backed by a 25-year product warranty for long-term peace of mind.
CertainTeed Approved
Approved for use without affecting CertainTeed shingle warranty.
Made in America
100% Made in America: Supports Domestic Content Bonus.