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Hi, I'm building a 5m retaining wall up to a height of 1m. I currently have enough reclaimed bricks (approx 1/3 engineering and 2/3 house bricks) to build a singe skin wall up to this height, but I can't find any clear information on whether this is safe or not. I was planning to put in...

So in trying to fix my combo boiler issues in my other thread (https://www.diynot.com/diy/threads/combi-losing-and-gaining-pressure-expansion-vessel-or-filling-loop.479830/) I went to turn off the mains water supply under the sink. There are two stop taps. One is fully open and provides mains...

Hi, I've got a Glowworm ultra com 30 cxi that has been losing pressure. The PRV drain was dripping so last week I replaced the PRV and repressurised to 1bar. However as the central heating came on I noticed the pressure rose to around 2.6 bar. Clearly something is causing pressure to rise and...