waste pipes

Hi all and Happy New Year to you all! I'm fitting out an old toilet and sink with new combination vanity unit. The toile waste looks simple but the sink waste goes horizontal along the width of the where vanity will go, above the toilet waste and through to the bathroom next door. My question...

Hi, I apologise for the length of the message. About one year ago we had a Sanispeed pump installed on the ground floor of our house to take the washing machine water to the sewer system (it was previously linked to the rainwater system). Since then there have been intermittent very strong...

Hi folks, wondering whether an off-the-shelf liquid drain cleaner can damage pvc waste pipes if left for too long (like weeks or months). I’ve just locked up my holiday house for the season but before I left, I poured a little liquid drain cleaner down each plug hole (showers and sinks). I...