Rafael,
Your English is understood, as is your Spanish
However, this forum is English-only, so please don't post translations here. The "other languages" section is monitored as well, and questions in Spanish get an answer too.
Many, many people have asked for a way to construct second floors. Although not officially announced, it is very probable that in a not too distant future such a feature will be implemented.
Que tengas buena noche!
Hans (para ti: Juan)
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Hans
new website - under constuction
hansdirkse.info
