RT APEX

ICC-ESR 3575
180 mph wind
90 PSF snow
Florida HVHZ

Rail-less, Flagship - RT-Apex

The RT-APEX is the most advanced and innovative rail-less residential roof mount. It is a Self flashing Rail-Less PV Mounting System featuring Roof Tech’s AlphaSeal®.

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At a glance

TYPE Rail-less mount base
Clamping Universal 30–40mm
SEALING Self-flashing AlphaSeal®
CERTIFICATION ICC-ESR 3575
WIND RATING Up to 180 mph
SNOW LOAD Up to 90 PSF
P.E. LETTERS 40 U.S. states • 5 CA provinces

Overview

The RT-APEX is the most advanced and innovative rail-less residential roof mount available. It's a self-flashing Rail-Less PV Mounting System built around Roof Tech's AlphaSeal® technology.

Universal clamping (30–40mm) fits nearly any module frame, while slide-in mounting and one-step leveling speed up install day considerably. Integrated flexible flashing keeps every penetration sealed without caulk or pre-drilling.

Features & Benefits

Brochure feature link icon Installation Manual feature link icon Installation Reference Guide feature link icon RT-APEX Drawings feature link icon 10 Reasons To Go Rail-Less feature link icon Recommended Accessories feature link icon FEOC Compliance feature link icon
  • trick mark icon Universal Clamping (30-40mm)
  • trick mark icon Slide-In Mounting
  • trick mark icon One-Step Leveling
  • trick mark icon Integrated Flexible Flashing
  • trick mark icon Includes Roof Tech’s self-flashing AlphaSeal® system.
  • trick mark icon 100% waterproof and certified by the International Code Council (ICC-ESR 3575).
  • trick mark icon Engineered to withstand wind speeds up to 180 mph and ground snow up to 90 PSF.
  • trick mark icon Stamped PE letters are available for 40 states in the U.S. and five provinces in Canada.
  • trick mark icon Florida product approved for all HVHZ projects.
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Frequently Asked Questions About RT-Apex

What is the RT-APEX?

The RT-APEX is Roof Tech's most advanced rail-less residential roof mount — a self-flashing PV mounting system built around Roof Tech's AlphaSeal® technology, with universal clamping, slide-in mounting, and one-step leveling.

What module frame sizes does RT-APEX fit?

RT-APEX uses universal clamping that fits module frames from 30–40mm, so it works across most standard solar panel frame profiles without needing a separate clamp SKU per module.

 How is RT-APEX sealed against leaks?

It uses Roof Tech's self-flashing AlphaSeal® system with integrated flexible flashing — no caulk, no sealant tape, and no pre-drilling required at the penetration point.

Is RT-APEX code-certified?

Yes. RT-APEX is 100% waterproof and certified by the International Code Council under ICC-ESR 3575.

What wind and snow loads is it rated for?

RT-APEX is engineered to withstand wind speeds up to 180 mph and ground snow loads up to 90 PSF.

Talk to the Roof Tech Team for RT-Apex

Universal clamping, slide-in mounting, and one-step leveling — get a straight answer on fit, code compliance, and lead times for your next project.

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