Flexible metal ducting for bathroom extraction

[morqthana]

Should it be:

a) Stretched out as much as possible

b) Left as concertinad up as much as possible

c) Either - it doesn't matter

 

[jj4091]

Will it be supported along it's length?

 

[Murdochcat]

Should it be:

a) Stretched out as much as possible

b) Left as concertinad up as much as possible

c) Either - it doesn't matter

you need to describe the set up BUT you do not want the vent pipe to be any longer than necessary as it will impair performance

 

[foxhole]

Fully extended , though metal variety not ideal for bathrooms , its cold and promotes condensation , make sure it has a fall to exit point .