Why won’t my Summerhouse door close?

What about this heat?! I know – best we’ve had since 1976.  “When looking at daytime temperatures the UK average for the month was 19.9 C, the same average maximum daytime temperature as in the June of the still talked-about summer of 1976, and placing it joint-second…” (Met Office 2018) So what’s that got to do with your Summerhouse doors? Well, …