Fencalc XA2026
All training Stage 05 of 14

Stage 05

Rooflights

Record rooflights separately for each roof area, size and performance specification.

What you will learn

  • Create more than one rooflight group.
  • Calculate area from width, height and quantity.
  • Keep rooflight data linked to its roof design.

Prepare before you start

  • Roof plan and schedule
  • Host roof design
  • Width, height, quantity and product performance data

Step by step

Complete this stage

1

Choose the host roof

Identify the roof design or area in which the rooflight is installed.

2

Enter each rooflight group

Separate entries when dimensions, quantity or product specifications differ.

3

Capture size and performance

Enter width, height, U-value and SHGC from the current design information.

4

Review totals

Compare calculated rooflight area with the coordinated roof plan.

Quality check

  • Every rooflight is assigned to the correct roof.
  • Quantities match the plan.
  • Different products are not combined into one averaged input without a documented basis.

Use this guide with the current project documents, official standards available to your team and the review required for your professional role.