Expansion and Movement Joints
Buildings move every single day.
Rigid thinking cracks first.
Accept that structures breathe, stretch and shift — then learn to place and detail the joints that let big buildings move without tearing themselves apart.
Cracks will stop surprising the buildings you detail.
- Understand constant motion — know why heat, moisture and settlement keep buildings shifting
- Place joints strategically — position breaks where they protect the building without disfiguring it
- Detail clean lines — make necessary joints look intentional rather than apologetic
- Keep water out — seal moving joints so weather never finds the gap
- Coordinate across trades — align structural, facade and finish joints into a coherent story
- Prevent mystery cracks — stop the callbacks that baffle owners and embarrass designers
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RTF | Rethinking The Future has spent over a decade publishing the ideas, projects and voices shaping architecture — and now brings that depth to learning. Every course is researched, written and produced by the RTF team.
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A few hours from now, you could already see differently.
Movement joints were lines other people added to my drawings later. Learning why buildings expand, where cracking wants to happen and how joints are detailed made those lines mine. I now place them deliberately and can explain each one to a contractor.
Simple by design.
Watch
Short, focused video lessons — each one a single idea, clearly explained.
Apply
End every lesson with a small task that pushes your real project forward.
Transform
Watch your work develop a point of view that is unmistakably yours.
Answered simply.
Are movement joints really an architect's concern?
Cracked facades and failed finishes say yes. Knowing where buildings expand, shrink and settle lets you place joints deliberately instead of hiding them badly.
Will I learn how to make joints look intentional?
Yes — a major theme is turning necessary joints into design lines rather than scars.
Do I need any prior experience?
No. Every course starts from where you are and builds up step by step, in plain language.
Is this software training?
No — software changes yearly. The thinking you learn here lasts a career.
How does it work?
Short video lessons with a small practice task after each. Any device, your pace.
What does membership include?
One membership unlocks every course on RTF Academy — all 450+, nothing sold separately. And you stay in control: cancel anytime in one click, and you will never be charged again.
Ready to see your work change?
Your next project could be the one that feels truly yours.
- 5 Sections
- 25 Lessons
- 4 Hours
- 1. What It Does and How It Fails5
- 2. The Options Compared5
- 3. The Detail5
- 4. Performance5
- 5. Specifying and Building It5
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Movement joints were lines other people added to my drawings later. Learning why buildings expand, where cracking wants to happen and how joints are detailed made those lines mine. I now place them deliberately and can explain each one to a contractor.
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