iam currently sitting my ACS.
has anyone got the vipergas book and will be able to help me decipher the open flue positions on flat roofs ?
if you have the viper book, iam stuck on the diagrams on page E-16.
has anyone got the vipergas book and will be able to help me decipher the open flue positions on flat roofs ?
if you have the viper book, iam stuck on the diagrams on page E-16.