As a once in a life time event  I’ve had Internorm Windows and sliding doors fitted.    I not happy with the way the windows are fitted into the walls and the lack of external weather proofing.   I don’t know the correct words to get a resolution. I got check-mated by the MD when I said ‘but they’ve not made good the external wall’ with ‘We are installers and not builders. We do not make good’. But but it’s not weather proof. The fitter is going to come back to fit sills - bu