Why Does my Window Frame Look Like it’s Bending Upwards!!? Post questions and find answers on glazing, double glazing, upvc glazing, conservatory glazing, fixtures and fittings etc....

[superh]

Triangle window just been fitted. Looks dodgy to me. Why is the frame bending upwards. Why is it 30 mil short. Any ideas? Window company are saying that is how it had to be made.