website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
Drilling holes in joists for plumbing and pipes is easy and we show you how in this video. There are regulations in the UK you must follow in new build installs. However on older buildings that is impossible. We show you how to measure out, what tools you need to drill the holes, and how large to drill them.