Fen Calc Fencalc XA2021 Training
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Envelope Quality Training

Building Sealing

Understand air leakage control and sealing details that support energy-efficient construction.

3Text lessons
35 minutesReading time
EnvelopeCategory
SANSReference points
Start course Back to courses Review course Study notes
Diagram for Leakage Paths
Building Sealing Leakage Paths

Lesson Roadmap

Work through the lessons in order, or continue from the next unfinished lesson.

Start
1 Leakage Paths Find common uncontrolled air paths. 12 minStart 2 Window and Door Seals Coordinate fenestration sealing. 11 minStart 3 Sealing Reporting Report sealing assumptions clearly. 12 minStart

What You Need Before Starting

A current drawing set or sample project to practise with. The project location, building type and storey information. Window, door, roof, wall, floor or services schedules where relevant. Supplier evidence for any performance values you plan to rely on. A notebook for assumptions, missing information and review questions.

What You Will Learn

Outcome 1Identify leakage paths.
Outcome 2Coordinate sealing details.
Outcome 3Prepare site checks for sealing quality.

SANS Reference Points

Use these as evidence prompts while studying. The training explains concepts, but the official standard remains the authority for project submissions.

Evidence point 1SANS 10400-XA:2021 clause 5.7: Building sealing
Evidence point 2SANS 10400-XA:2021 clause 5.3.7: air leakage for windows and doors
Evidence point 3SANS 10400-XA:2021 clause 3: building envelope definition
This training is an original learning aid based on SANS 10400-XA:2021 concepts. It does not reproduce or replace the official standard. View resources