gas membrane
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Periscope vents in cavity
Hi I will be using periscope vents to air under a block and beam floor and wondered about the below ground cavity fill. All the regs say to fill the cavity to 225mm below DPC although this will partly encase the vents in said concrete; is that okay? Also when I am at DPC the building inspector...- acurachris
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- cavity cavity tray dpc dpm gas membrane periscope vents ventilation
- Replies: 2
- Forum: Building
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Radon gas membrane
Hi, New to this forum and I'm in the process in building an orangery. BCO have stated that I need to lay a Gas membrane. I've seen other comments on this site which are extremely useful. The attached image shows what I think should I need to do however I just wanted to know any thoughts...