2 ms·
The concrete of the pool being hot/cold... It could, theoretically I guess, cause it to contract/expand by a non-insignificant amount.
by zo1 10y ago
The concrete of the pool being hot/cold... It could, theoretically I guess, cause it to contract/expand by a non-insignificant amount.
- vacri 10y agoConcrete on a footpath gets slots made every step or so, to prevent cracking from heat expansion. It's hardly surprising that concrete the length of the pool could have a centimeter or so of wiggle room.