Most installers or roofing contractors will use a slate piece or a metal or lead piece that fits onto a flat or pitched roof with a gromit where the flue pipe goes through.
Horizontal flue through pitched roof.
Especially if it s not sealed properly.
It s easy to do once you know how as this video explains.
Go into your attic.
The flue was meant to be simple 90deg bend and then out through the wall.
The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof.
Remeha exclusive avanta flue guide iss 02.
The following words phrases and terms as used in these regulations have the meanings given below.
Main flue guide 2008.
Multifit flue accessories fitting guide iss 02.
And theres a very good reason for this.
A horizontal run of no longer than 50 of the total vertical run is typical.
The book mentioned in this video is no longer in print but the essential guide to the steel squ.
Phntm210 installation and operating instructions.
Baxi flue guide 2008.
Each manufacturer specifies its own allowable run percentages.
Potterton flue guide pre 2008.
Multifit flue accessories fitting guide iss 03.
Potterton flue guide 2008.
However if a vertical flue is badly fitted then yes you could have a leak on your hands.
100 year flood means a flood that has a one percent or greater chance of recurring in any given year or a flood of a magnitude equaled or exceeded once in 100 years on the average over a.
Multifit flue accessories fitting guide iss 04.
Unfortunatly the cieling hieght inside and the roof hieght outside are not even close and the the flue would cut through the bottom tiles and the drainage.
With the pipe in a vertical position trace around the pipe using a pencil.
Manufacturers also specify a horizontal to vertical run ratio.
5 things you need to know when your boiler flue exits your roof.
Also at every joint.
Position the vent pipe up to the bottom of the roof.
Multifit flue accessories fitting guide iss 01.
Aug 30 2017 vertical flue joints in attics must be bracketed.
The horizontal section must have a 1 4 inch rise per foot of run.
I have had an extension and just had the new baxi duo tec fitted.