I have just removed a wood burner flue from my roof and now need to patch up the hole left behind. Can anybody tell me where I can buy a 400mm wide cap flashing from? I have tried all the obvious places like bunnings and my local builders merchant with no luck.
In the photos you can see that the hole is currently sealed with a flowerpot. It's survived a couple of big storms so far with a rubber sheet over the top held down with bricks! The type of cap flashing I need would be exactly the same as the 400mm one behind the flowerpot in the photo but a little longer to extend over the hole. No idea where I can get hold of this.