5 Simple Statements About hoppers Explained
The size of your soakaway really should be a minimum of 1m x 1m square x 1m deep beneath the bottom of the incoming pipe. The stone infill ought to encompass the pipe and end somewhere around 100mm previously mentioned it. An impervious layer should then be placed on the stone such as thick polythene, tarpaulin, or even a mattress of concrete (A1 d