Fen Calc Fencalc XA2021 Training
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Roof study notes

Roof Assembly Compliance

Learn roof insulation, reflective barriers, air gaps and continuity requirements for XA envelope checks. These notes collect the course summary, SANS reference points, lesson prompts and key study reminders into one print-friendly page.

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Course Outcomes

  • Identify roof assembly layers.
  • Understand insulation continuity.
  • Document reflective and bulk insulation assumptions.

Lesson Summaries

Lesson 1 / 15 min

Roof Scope

Define the roof assembly being assessed.

Objective: Identify all roof elements that form part of the envelope.

Lesson 2 / 25 min

Insulation Continuity

Understand gaps, compression and thermal bridges.

Objective: Recognise installation details that can reduce roof performance.

Lesson 3 / 25 min

Reflective and Bulk Insulation

Use insulation product data correctly.

Objective: Understand what evidence is needed for roof insulation claims.

Common Mistakes To Avoid

  • Using insulation product values without checking air gaps and installation conditions.
  • Ignoring gaps, compression, service penetrations or thermal bridges.
  • Combining unlike roof assemblies into one unexplained value.