Jump to content

Recommended Posts

Hi all,

 

Am trying to spec my DIY install roof vents.

 

I've got a Brink unit, so my external ductings off the unit are 180mm.

Is there a significant gain in using a 180mm external vent like this: https://www.roofinglines.co.uk/product/ubbink-ub48-universal-insulated-roof-vent-terminal-180mm

Compared to a cheaper tile vent like this: https://www.roofingsuppliesuk.co.uk/collections/universal-tile-vents/products/klober-universal-tile-vent-with-cap-terracotta

 

Obviously the cheaper tile vent would need step down adaption to fit the 180 ducting, but the price jump to full size vents is significant. I understand that airflow will be restricted here, but is this a 'big deal' or just an incremental decrease in performance?

The ubbink stuff makes an issue that it's insulated, is this important? or a non-issue if the tile vent is coming straight from insulated ducting?

The roof space is cold and outside envelope, insulated ducting will be used internally.

 

Slightly less relevant second question, is burying ducting under 20cm of roof insulation enough, or do I also need to wrap it in something like this: https://www.mould-stop.co.uk/products/75mm-round-radial-insulated-sleeve-x-10m-roll

 

Thanks for any advice,

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...