thomas Posted September 18, 2018 Share Posted September 18, 2018 (edited) I have a plain tile roof and am planning bin putting the supply and exhaust on the roof, it's a bungalow so I don't really have roof on the walls. I am having troubles finding suitable roof vents suitable for 180mm ducts with a hight enough capacity. Has anyone got any one got any product recommendations? Edited September 18, 2018 by thomas Link to comment Share on other sites More sharing options...
Declan52 Posted September 18, 2018 Share Posted September 18, 2018 Who ever makes your chosen roof tiles will have a vent tile to match. Put a 150mm to 100mm reducer on and then put your extract/ intake on. Attach with tape/cable ties. 1 Link to comment Share on other sites More sharing options...
thomas Posted September 18, 2018 Author Share Posted September 18, 2018 Won't 100mm restrict air flow too much? Link to comment Share on other sites More sharing options...
Declan52 Posted September 18, 2018 Share Posted September 18, 2018 Never seen a vent tile with anything other than 100mm on the underside. Link to comment Share on other sites More sharing options...
thomas Posted September 18, 2018 Author Share Posted September 18, 2018 Does not need to be a tile vent, also I would have thought they'd get blocked by snow? Link to comment Share on other sites More sharing options...
Declan52 Posted September 18, 2018 Share Posted September 18, 2018 They won't get blocked by the snow. Link to comment Share on other sites More sharing options...
PeterW Posted September 18, 2018 Share Posted September 18, 2018 Timloc do a vent with 180mm from memory and it has reducers to take it down to 100mm in stages. 180mm is a big duct - what’s the flow ..?? Link to comment Share on other sites More sharing options...
thomas Posted September 19, 2018 Author Share Posted September 19, 2018 Flow is around 55 l/s off the top of my head. If I use 2 tile vents per supply and exhaust and split with a 180mm Y then reduce to 100mm do you think this will work? Link to comment Share on other sites More sharing options...
thomas Posted September 19, 2018 Author Share Posted September 19, 2018 Thanks @peterw you made me go check th duct size on the unit and it's 150mm, i was told the wrong size ? That should be easier to find vents. Link to comment Share on other sites More sharing options...
AdamSee Posted October 22, 2018 Share Posted October 22, 2018 (edited) Did you find a suitable vent for your roof? I'm currently having my roof re-tiled with plain rosemary tiles and I was really struggled to find a suitable vent, in the end I went with the Ubbink UB41. They have the usual looking dome with the air that comes out underneath and provide 20k of air movment. Theres a option for plain tiles but I couldn't find one in terracotta colour. So in the end I went for the universal one, which just has a plastic skirt that can go under the tiles. Won't look as good, but should do the job. They go up to 160mm aswell, Bit smaller than you require but I would have thought it would been fine. Edited October 22, 2018 by AdamSee Link to comment Share on other sites More sharing options...
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