ducting

  1. J

    Kitchen Extraction Questions (inline in ceiling void?)

    I'm renovating an old house & so have access to the ceiling void to run duct from the fairly central cooker to the back wall (~5.60m) Why don't the joists run the other way! I will run 150mm duct and am planning to fit a Manrose MF100 inline fan around half way along the run. Is there a...
  2. B

    Extractor hood duct - to reduce or to elbow?

    Hi All, Lots of helpful discussion in previous threads, but my question is now specific. Background: I have just redone my kitchen. In an effort to do all the dirty work up front I drilled the core hole for the extractor hood pre-plastering. 120mm straight (slight angle down) through two skins...
  3. S

    Soil vent leak in loft

    Hello, I previously thought I had a problem with leaking ventilation ducting from an extractor fan vent in the loft caused by steam from the shower fan and/or a leak in the roof. This originally started as a nail had pierced the flexible ducting used to connect the 2 pipes in the loft and...
  4. S

    Insulation on Water Mains Ducting

    Hello. I have started a project which is being delayed by a lot more than expected. Currently I have a functioning water main sealed in a 100mm duct and buried at about 10 inches below ground. There are also two sections of the duct each about 1m long which are not buried, but visible. As the...
  5. L

    Where to vent cooker hood ducting

    I'm not yet onto doing our kitchen, however I will have the floors in the bathroom above the kitchen up for replacement before then, and so I want to take the opportunity to get some ducting put there while I can for the eventual cooker hood. I had in mind to take the hood outlet up, 90 turn...
  6. eveares

    152mm Core Drill - Blunt?

    Just bought this off eBay for £35 inc P&P (Included hex arbour kit not shown) as I need to drill a 6"/150mm hole through a wall for a short piece of 6"/150mm (External diameter 156mm) solid ducting what is to be used as a exhaust outlet for a portable AC Unit. 152mm Core Drill by eveares posted...
  7. J

    Extractor Hood Ducting and Building Regs

    Hello all, I have tried searching for this everywhere but cant find the answer. I wanted to know if, according to building regs, the cooker hood ducting has to go out of the nearest external wall? I plan on having an extractor hood with an external motor so instead of it coming out of the...
  8. S

    Condensation trap in flat channel ducting

    Installing 90mm by 180mm (150mm equivalent) flat channel duct work for kitchen hood extractor fan. The exit is vertical and the majority of the run will be covered by plasterboard. I will need some way of removing condensation however all the 150 traps I've found are round. Is there a way to...
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