roof vents

[pandapad]

hi all
i am currently trying to do a loft conversion and i was wondering if anyone out there can give me some advise .
i need to instal some roof vents in a pitched roof and was wondering how many do i need to put in and if there is an easy way of doing so, unfortunately i have no soffits, so has to be on the slate roof
any ideas would be great
cheers all

 

[mgoo]

Contact Klober who do various vents. They will also tell you at what centres you need to place them at.

youll need the equivalent of a 10 mm gap at low level in a cold roof.

25 mm gap on a warm roof if no vapour control layer is in place

5 mm at high level for both if required.

 

[henseyroofing82]

Danelaw do a great vent which I have used alot:
http://hambleside-danelaw.co.uk/products/roofing-ventilation-product-guide02.html