Keter shed here... Composite material so should effectively last decades without painting.
Do you mind linking the ones you have?Can't fault our Keter composite shed, it's a cracker.
I was really happy with me one from Tiger sheds too but in the last year or so the wood has shrunk on the front door panel and some of the tongue and groove bits have popped out leaving gaps, also the windows have gone really milky and yellow despite being the upgraded thicker Perspex ones. The rest of the shed is still nice and solid but i have been a bit disappointed, i think we've had it about 5 years now.
this is just before painting it again this summer:
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