What’s Actually Inside Your Roof? | UK Pitched Roofs Explained

What is really happening beneath the tiles? This episode follows a British pitched roof from its timber structure to the layers that manage rain, heat, air and moisture. See how cut roofs and trussed rafters work, why ties and bracing matter, how water leaves the roof, and why insulation and ventilation have to work together. Buildings Understood makes the hidden parts of buildings easier to understand. This is Video 4 in How Buildings Work, following Foundations, Cavity Walls and Floors. Chapters: 00:00 What is hidden beneath the tiles? 00:38 Cut roofs and trussed rafters 01:17 How traditional roof timbers work 02:34 Trusses, bracing and restraint 03:51 Coverings, pitch and roof layers 05:09 Flashings, valleys and drainage 05:48 Cold lofts, warm roofs and moisture 07:27 Fire separation and services 08:06 Tracing roof problems 08:25 The complete roof system Illustrative 3D visuals explain construction principles. Individual buildings need their own design and specification. #BuildingsUnderstood #RoofConstruction #UKConstruction