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Together with the company UNIKMA, we continue to analyze the aspects of proper roof installation. If in the first video (available at the link - • Roof installation. How to avoid overpaying...) we analyzed the types of roofing materials and which one to choose in a particular case, then in this video, the company's chief engineer Andrey Fedorov talks in detail about the main mistakes made during roof installation. In the interview, he explains how to correctly calculate the roof load and what material to choose for the rafters, what the correct roofing "pie" consists of and how it should be ventilated. He also gives tips on how to check the work of roofing craftsmen, using popular roof coverings as an example. Useful links: Unikma website - https://unikma.ru/ Calculation of building materials - https://unikma.ru/builders/request_calc/ Standards for the construction of pitched roofs - https://unikma.ru/roofing_firm/build/... Turnkey roofing with Unikma - https://unikma.ru/roofing_firm/build/... Price comparison tables, estimates for different types of roofing - https://disk.yandex.ru/d/anmzD1LY28j07g Roof ventilation rules - https://unikma.ru/articles/artile/tri... SUBSCRIBE TO OUR Telegram: https://t.me/+V1-HRlLuZXg1ODk6 Timestamps: 00:00 - Introduction. 00:47 - Roofing technologies. Applicability in warm and cold regions. 02:37 - Roof design. How to calculate loads correctly. 05:45 - Selecting rafter material. 08:36 - Under-roof layers. What the correct “pie” consists of. 11:46 - Roof ventilation. Why is it needed and what does its absence lead to. 18:29 - Roof covering. Installation standards for metal tiles and flexible tiles. 20:25 - Features of roof insulation. Correct wording in the contract with roofers. 23:22 - Roofing material installation check points. ---------------------------------------------------------------------------------------------------------- DO NOT FORGET to subscribe to the channel - / @m-strana Like 👍 AND WRITE YOUR QUESTIONS IN THE COMMENTS -------------------------------- THANKS -------------------------------------------------------------------- On the channel "Low-Rise Country" you will find a lot of useful information about construction technologies and country life. Join us on social networks: https://vk.com/maloetazhnaya https://ok.ru/maloetazhnaya