What's The Difference Between 4:12 And 6:12 Roofs - Construction Math
http://www.homebuildingandrepairs.com/framing/roof.html Click on this link if you looking for more helpful videos and information about roof framing, building design and home repairs. This video will provide you with a simple explanation about ratios used by architects, building designers and construction workers that allow them to build a roof ...
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· May 20, 2018