DIY Home Improvement Forum banner

flat roof ventilation

2K views 3 replies 2 participants last post by  stuart45 
#1 ·
hi can anyone help i'm turning my garage into a bedroom my garage has a flat roof but is also joined to my neighbours what would be the easiest and cheapest way to ventilate the roof without putting a new roof and making sure building control pass the work
 
#4 ·
It depends on whether the insulation is on top of the deck (warm roof) No ventilation needed, or beneath the deck (cold roof) where 25mm continuous ventilation or equivilent is required.
If you are converting a garage to a bedroom, all of the elements such as walls, roof,floor and windows will have to meet the required U values.
There is some flexibility with trade offs in the elements but you would have to get a SAP rating done with this.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top