What Are Cant Strips? (And Why You Need Them on a Flat Roof)

From a channel Lumen includes in full: ASIRI Designs explains residential building science (air and vapour barriers, wall assemblies, insulation, moisture and mould) with diagrams and details from a building-envelope designer.

A 1-minute video from ASIRI Designs's catalogue; the title names its topic.

Video by ASIRI Designs, played through YouTube's embedded player.