michaeldejong22
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2 FollowersStructural Engineering How-to
2 FollowersHow-to videos on loft conversions and structural home improvements by Chartered Civil Engineer, Robin de Jongh. Join the channel if you are a home owner, DIY enthusiast, builder or self builder, and check out my growing list of resources at www.robindejongh.com Get my free timber calculation reference tables: https://geni.us/timbercalculation