sinking

Hello forum! First time post here. I am a fairly handy amateur carpenter and had a builder come around to replace the floor in my shed, which was very rotted with wood worm (it was the removal that I couldn't do, as the rot creaped me out). While his construction method was good, he made a...

Hi, My boiler roof is leaking and the felt roof is sinking (I have attached a picture & links below) . I would like to diy however before i start on the project, i would appreciate if anyone could advice. Should i remove the felt roof and replace it or paint a sealant on it? I have a very...