hi all
i am trying to find out if anyone knows... the insulation required to meet current regs.
i have 47x100mm rafters in the roof and traditional felt. i need to get 0.18 U value for the B.Insp can i get this without battening off the existing rafters to make them deeper.
also whilst i'm on in my single story ext. i have got 22ply on flat roof with epdm membrane. 8x2 joists. what insulation is reuired for that.
its been three years since i did my last house and have lost touch with all the regs.
cheers
i am trying to find out if anyone knows... the insulation required to meet current regs.
i have 47x100mm rafters in the roof and traditional felt. i need to get 0.18 U value for the B.Insp can i get this without battening off the existing rafters to make them deeper.
also whilst i'm on in my single story ext. i have got 22ply on flat roof with epdm membrane. 8x2 joists. what insulation is reuired for that.
its been three years since i did my last house and have lost touch with all the regs.
cheers
