Do not be scared to call an expert. Do not handle tasks to save money, if you aren't sure ways to fix them. Calling a professional plumbing technician saves you money, the experience and knowledge can repair your problem quicker and with less fuss.
If you have loud pipelines, you can cushion them with a rubber blanket or putting added anchor straps. Banging pipes are usually dued to loose pipes, water hammering to a stop as you turn it off, or warm water pipelines shifting in their position. All of these issues can be solved by cushioning and anchoring the pipelines.
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