Hi all,
i used to have a sheet with all the required U-values and a small diagram of a house showing them, but now i have lost it and can only find differing examples online. Can anyone point me in the right direction for up-to-date requirements? thanks very much
i used to have a sheet with all the required U-values and a small diagram of a house showing them, but now i have lost it and can only find differing examples online. Can anyone point me in the right direction for up-to-date requirements? thanks very much