Skylight & SUN TUNNEL® Installation Training

Course Description: This comprehensive hands-on training program equips contractors, roofers, and installers with the knowledge and practical skills required to confidently install Deck Mount Skylights, Curb Mount Skylights, and VELUX SUN TUNNEL® Skylights. Participants will gain strong product knowledge, learn proper placement and preparation techniques, and complete hands-on installations for all three systems. The course emphasizes best practices in waterproofing, flashing integration, installation efficiency, and troubleshooting to ensure high performance and customer satisfaction.
Duration: 3.5 - 4 hrs
Structure: Instruction + Hands-On Installation
Prerequisites: Basic roofing knowledge
Training Format: Mobile or Academy

Learning Objectives

By the end of this course, participants will be able to:

Identify components, models, and flashing systems used in deck mount, curb mount, and SUN TUNNEL® skylights.

Determine appropriate placement, roof compatibility, and structural considerations for all skylight types.

Measure, mark, and prepare roof and ceiling openings for skylight and SUN TUNNEL® installations.

Apply correct installation practices, including underlayment and flashing techniques.

Troubleshoot common installation issues such as leaks, misalignment, and condensation.

Install deck mount and curb mount skylights following best-practice methods.

Install rigid SUN TUNNEL® system, including tunnels, elbows, flashing, and diffusers.

PPA Training Images

Course Breakdown

  • 1. Classroom Instruction
    A. Deck & Curb Mount Skylight Fundamentals
    • Skylight product overview & terminology
    • Installation methods, flashing systems, and roof pitch requirements
    • Roof/rough opening preparation & curb construction principles
    • Measuring for new installations & replacements
    • Interior considerations: condensation

    B. SUN TUNNEL® Skylights Fundamentals
    • What SUN TUNNEL® Skylights are and ideal use cases
    • Rigid vs. flexible tunnel systems
    • System components: dome, flashing kit, tunnel, elbows, diffuser
    • Light performance factors: tunnel length, bends, attic obstructions
    • Roof-to-ceiling alignment and location planning
    • Overview of installation steps and practical tips
  • 2. Hands-On Installation Training
    A. Deck Mount Skylight Installation
    • Layout and marking of rough opening
    • Roof deck preparation and shingle removal
    • Setting and fastening the skylight
    • Installing adhesive membrane
    • Integrating step flashing with shingles
    • Sealing techniques and correct overlap sequencing
    • Interior finishing considerations
    • Inspection and quality verification

    B. Curb Mount Skylight Installation
    • Measuring and constructing a curb (new installation)
    • Inspecting and preparing an existing curb (replacement)
    • Installing membrane and flashing systems
    • Integrating curb flashing with shingles or membrane roofing
    • Setting and fastening the skylight to the curb
    • Waterproofing critical transition points
    • Ensuring proper condensation drainage and water management
    • Final inspection

    C. SUN TUNNEL® Skylight Installation
    • Interior prep: ceiling marking and layout
    • Cutting roof deck, shingles
    • Flashing installation and roofing material integration
    • Rigid & flexible tunnel connection
    • Adjusting elbows for attic obstructions
    • Taping joints to prevent condensation and debris entry
    • Installing ceiling ring and diffuser
    • Reestablishing the system’s thermal break
    • Hands-on operational test and inspection
  • 3. Review & Q&A
    • Recap of full installation workflows:
      Layout → Prep → Underlayment → Flashing → Installation → QA
    • Common installation errors and how to avoid them (skylights & SUN TUNNEL®)
    • Tips for improving skylight performance and light output
    • Maintenance considerations: domes, diffusers, seals
    • Open Q&A
    • Quiz

Materials & Resources Provided

  • Installation manuals & quick-reference guides
  • Step-by-step installation checklists (all product types)
  • Access to technical support resources

Outcome

Participants will leave with the knowledge, confidence, and hands-on experience required to properly install deck mount skylights, curb mount skylights, and VELUX SUN TUNNEL® Skylights using industry best practices. Graduates of this course will be able to deliver watertight, reliable, and professional installations that reduce callbacks and improve customer satisfaction.

Have questions about training? Reach out to our team.

If you’re looking for more information about the Pro Partner Academy or have questions about participating in skylight training, contact us.