Flanders - Arms Joined Jun 28, 2013 Messages 1,660 Reaction score 1,003 Location Tamworth Dec 4, 2015 #16 Sorry Yes i agree you realy do nead to do all the calcs but from past experance of your basic house a 6mm should be big enough
Sorry Yes i agree you realy do nead to do all the calcs but from past experance of your basic house a 6mm should be big enough