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I am starting a garage conversion and part of it will be a bathroom with shower. approx 4 sqm floor space.
All 4 sides of the new bathroom will lead to other rooms so I think it is best to install an extraction fan which vents up and out of the flat roof.
House was built approx 1970 and I think the roof composition is as follows:
Bitumen
Chipboard
joist
I will be insulating between the joists and putting plasterboard below the joist.
Question 1, what do I need to install a bathroom extractor fan and vent it out through the roof?
Are these the items I need?:
Ubbink OFT-1F roof vent
https://www.roofingoutlet.co.uk/products/315-ubbink-oft-1f-flat-roof-vent
then some ducting and a extractor fan such as this
https://www.screwfix.com/p/xpelair-...extractor-fan-with-timer-white-220-240v/2041h
Question 2, can someone walk me through the correct way to install these. What is the best way to achieve a water tight seal. Is there a best way to cut the bitumen without causing unnecessary damage.
Thanks for the help.
All 4 sides of the new bathroom will lead to other rooms so I think it is best to install an extraction fan which vents up and out of the flat roof.
House was built approx 1970 and I think the roof composition is as follows:
Bitumen
Chipboard
joist
I will be insulating between the joists and putting plasterboard below the joist.
Question 1, what do I need to install a bathroom extractor fan and vent it out through the roof?
Are these the items I need?:
Ubbink OFT-1F roof vent
https://www.roofingoutlet.co.uk/products/315-ubbink-oft-1f-flat-roof-vent
then some ducting and a extractor fan such as this
https://www.screwfix.com/p/xpelair-...extractor-fan-with-timer-white-220-240v/2041h
Question 2, can someone walk me through the correct way to install these. What is the best way to achieve a water tight seal. Is there a best way to cut the bitumen without causing unnecessary damage.
Thanks for the help.
